☆ 4.7 Review

Recent progress in perovskite solar cells: material science

SCIENCE CHINA-CHEMISTRY (2023)

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Review Materials Science, Multidisciplinary

Surface Passivation Toward Efficient and Stable Perovskite Solar Cells

Junmin Xia et al.

Summary: Metal halide perovskites are popular for efficient photovoltaic devices, but defects from the preparation process hinder performance improvement. Surface passivation is a practical approach to suppress these defects, and this review provides a comprehensive summary of different passivation methods and discusses future research trends.

ENERGY & ENVIRONMENTAL MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Thiocyanate-Passivated Diaminonaphthalene-Incorporated Dion-Jacobson Perovskite for Highly Efficient and Stable Solar Cells

Yukta et al.

Summary: Two-dimensional metal halide perovskites show promise as photovoltaic materials, but their solar cells still have lower efficiency than their three-dimensional counterparts. Introducing organic cations and additives can improve crystallinity and charge transport in perovskites, enhancing solar cell efficiency.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Alkali Additives Enable Efficient Large Area (>55 cm2) Slot-Die Coated Perovskite Solar Modules

Prem Jyoti Singh Rana et al.

Summary: A seed-assisted crystallization approach using alkali salts has been demonstrated to enable the fabrication of large-area and highly crystalline perovskite films. The slot-die coated perovskite films show improved optoelectronic properties and stability.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Surface Chemistry Engineering of Perovskite Quantum Dots: Strategies, Applications, and Perspectives

Yang Bai et al.

Summary: This article discusses the surface chemistry engineering of metal halide perovskite quantum dots (PQDs) and emphasizes the dual impact of surface ligands on the stability and performance of PQDs, highlighting innovative solutions. Significant achievements in the fields of photovoltaics and optoelectronics have been made through a deep understanding of the surface atomistic structure and defect mechanisms in PQDs.

ADVANCED MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Quinoxaline-Based D-A Copolymers for the Applications as Polymer Donor and Hole Transport Material in Polymer/Perovskite Solar Cells

Chenkai Sun et al.

Summary: This review article summarizes the recent developments of Qx-based D-A copolymer donors, including synthetic methods, backbone modulation, side chain optimization, and functional substitutions. Furthermore, the application of Qx-based D-A copolymers as hole transport material in pero-SCs is also introduced.

ADVANCED MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Halogen Bonding in Perovskite Solar Cells: A New Tool for Improving Solar Energy Conversion

Pierangelo Metrangolo et al.

Summary: Hybrid organic-inorganic halide perovskites have emerged as promising materials for next-generation solar cells due to their easy and low-cost production and unique optoelectronic properties. However, their practical implementation is hindered by their poor stability in air and moisture. Optimizing the chemical composition and exploiting non-covalent interactions can enhance the efficiency and stability of perovskite solar cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Engineering, Environmental

High-performance perovskite solar cells based on dopant-free hole-transporting material fabricated by a thermal-assisted blade-coating method with efficiency exceeding 21%

Kun-Mu Lee et al.

Summary: A new donor-acceptor-donor type hole-transporting material CB was synthesized and used in fully printed PSCs, achieving an impressive power conversion efficiency of up to 21.09% with improved long-term stability. The CB-based devices showed better performance compared to those using doped spiro-OMeTAD under the same conditions, demonstrating CB's potential as a promising candidate for high-performance fully printable PSCs.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

High-efficiency (>20%) planar carbon-based perovskite solar cells through device configuration engineering

Huiyin Zhang et al.

Summary: High-performance planar C-PSCs were fabricated through device configuration engineering, improving the crystallization and absorption profiles of the perovskite active layer and enhancing carrier generation. Comprehensive evaluation of the physical and mechanical properties of the carbon electrode regulated the back interface contact. The prepared devices achieved a remarkable PCE of up to 20.04% and demonstrated excellent long-term stability.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Multidisciplinary Sciences

All-perovskite tandem solar cells with improved grain surface passivation

Renxing Lin et al.

Summary: Researchers have developed ammonium-cation-passivated Pb-Sn perovskites with long diffusion lengths, enabling high-efficiency all-perovskite tandem solar cells. By enhancing the adsorption of the passivator using a stronger surface-passivator interaction, the carrier diffusion length within Pb-Sn perovskites is doubled, resulting in an efficiency of over 22%. The certified efficiency of 26.4% achieved in the all-perovskite tandem solar cells exceeds that of the best-performing single-junction perovskite solar cells.

NATURE (2022)

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Article Multidisciplinary Sciences

Constructing heterojunctions by surface sulfidation for efficient inverted perovskite solar cells

Xiaodong Li et al.

Summary: A stable perovskite heterojunction was achieved in inverted solar cells by sulfidating the surface of lead-rich perovskite films, resulting in improved power conversion efficiency and open-circuit voltage.

SCIENCE (2022)

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Article Multidisciplinary Sciences

Metastable Dion-Jacobson 2D structure enables efficient and stable perovskite solar cells

Fei Zhang et al.

Summary: The performance of 3D perovskite solar cells can be improved by treating the surface with 2D layered perovskites that have efficient charge transport. Adjusting the arrangement of organic molecules enhances hole transport and power conversion efficiency. The use of a stable 2D surface layer also improves the performance and stability of 3D perovskite solar cells.

SCIENCE (2022)

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Article Chemistry, Physical

Ge Incorporation to Stabilize Efficient Inorganic CsPbI3 Perovskite Solar Cells

Fanqi Meng et al.

Summary: This study introduces germanium incorporation into the precursor systems of CsPbI3 perovskite solar cells for the first time, and it is found that germanium incorporation can improve the crystallization growth, lower the formation energy, and enhance the power conversion efficiency and operational stability.

ADVANCED ENERGY MATERIALS (2022)

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Review Chemistry, Physical

Advancements in organic small molecule hole-transporting materials for perovskite solar cells: past and future

Pachaiyappan Murugan et al.

Summary: This review article discusses the current designs and synthetic procedures for organic small molecules as hole-transporting materials (HTMs), with a focus on their structure-property correlation, conductivity, and photovoltaic performance. It also explores the development of new molecular architectures and the integration of dopant molecular structure to achieve dopant-free HTMs.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Review Chemistry, Multidisciplinary

Efficient and Stable Perovskite Solar Cells Based on Inorganic Hole Transport Materials

Helen Hejin Park

Summary: This review article summarizes recent contributions of inorganic hole transport materials to the development of PSCs, focusing on device performance and long-term stability. The importance of stability is highlighted, and a possible solution of replacing organic materials with more stable inorganic materials is proposed.

NANOMATERIALS (2022)

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Article Chemistry, Physical

Quasi-Two-Dimensional Perovskite Solar Cells with Efficiency Exceeding 22%

Yalan Zhang et al.

Summary: In this study, a quasi-2D perovskite solar cell with a power conversion efficiency of over 22% was achieved by post-treatment with amphoteric imidazolium iodide. The optimal concentration of imidazolium iodide reduced trap density and enhanced charge mobility, resulting in improved phase purity and crystallinity of the device.

ACS ENERGY LETTERS (2022)

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Article Energy & Fuels

Monolithic perovskite/organic tandem solar cells with 23.6% efficiency enabled by reduced voltage losses and optimized interconnecting layer

Wei Chen et al.

Summary: Perovskite/organic tandem solar cells have a promising future in thin-film photovoltaics due to the large chemical composition and tunability of their bandgap. However, their efficiency is currently limited by the open-circuit voltage loss and non-ideal interconnecting layers. In this study, the passivation of nickel oxide hole-transporting layers and the development of an optimized interconnecting layer structure led to a significant increase in efficiency, reaching a maximum of 23.60% (22.95% certified) in perovskite/organic tandem solar cells.

NATURE ENERGY (2022)

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Article Energy & Fuels

Evolution of defects during the degradation of metal halide perovskite solar cells under reverse bias and illumination

Zhenyi Ni et al.

Summary: The study reveals the location, mechanisms, and defects involved in the performance degradation of p-i-n perovskite solar cells under illumination or reverse bias. The efficiency decreases over time, yet the introduction of a hole-blocking layer between the layers can improve the reverse-bias stability. Charged iodide interstitial defects within the device layers are observed and found to contribute to efficiency degradation under both light and reverse bias conditions.

NATURE ENERGY (2022)

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Article Engineering, Environmental

High-performance quasi-2D perovskite solar cells with power conversion efficiency over 20% fabricated in humidity-controlled ambient air

Xue Lai et al.

Summary: The study demonstrates that using fluorinated benzylammonium iodide as a bulky cation to fabricate quasi-2D perovskite solar cells can result in vertically oriented films with fewer grain boundaries and pinholes, ultimately leading to improved charge collection efficiency and higher power conversion efficiency.

CHEMICAL ENGINEERING JOURNAL (2022)

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Review Chemistry, Multidisciplinary

Rear Electrode Materials for Perovskite Solar Cells

Rui Chen et al.

Summary: Perovskite solar cells (PSCs) are a promising next-generation photovoltaic technology due to their high efficiency and low cost. The stability issue needs to be resolved urgently for the commercialization of PSCs, and the choice of rear electrode material is crucial for achieving long-term stability. This review summarizes recent progress in the development of rear electrodes based on different materials and discusses their impacts on device stability, degradation mechanisms, overall efficiency, and cost-effectiveness.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Effective Passivation with Self-Organized Molecules for Perovskite Photovoltaics

Xinhui Luo et al.

Summary: In order to improve the efficiency of perovskite solar cells, two organic molecules are studied as passivators. The results show that the molecular geometry and intermolecular ordering are significant for effective passivation. During the crystallization process via liquid medium annealing, passivation molecules can form a uniform network that reduces recombination at the interface.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Hydrazide Derivatives for Defect Passivation in Pure CsPbI3 Perovskite Solar Cells

Yuhang Che et al.

Summary: By designing new derivatives, the defect density of CsPbI3 films can be reduced, improving the stability and efficiency of solar cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Physical

Breakthrough in the Application of a Small Molecule as Dopant-Free Hole-Transport Material in p-i-n Perovskite Solar Cells

Jiawei Chen et al.

Summary: In this study, dopant-free CMT was utilized as the hole-transport layer in perovskite solar cells, resulting in improved efficiency. The findings of this research are significant for the commercialization of perovskite solar cells.

JOURNAL OF PHYSICAL CHEMISTRY C (2022)

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Article Chemistry, Multidisciplinary

Ionic Dopant-Free Polymer Alloy Hole Transport Materials for High-Performance Perovskite Solar Cells

Qiang Fu et al.

Summary: An alloy strategy using two conjugated polymers has been demonstrated for dopant-free hole transport material in high-performance perovskite solar cells, improving efficiency and stability significantly.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Multidisciplinary

Reducing Energy Disorder in Perovskite Solar Cells by Chelation

Yiting Jiang et al.

Summary: A series of fullerene dyads were designed and used as electron transport materials in inverted perovskite solar cells. Among them, FP-C8 showed the best performance in terms of energy disorder and morphological stability. Devices using FP-C8 as the electron transport material achieved higher power conversion efficiency compared to those using traditional PCBM. Moreover, FP-C8-based devices exhibited better moisture and thermal stability.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Multidisciplinary Sciences

Stability-limiting heterointerfaces of perovskite photovoltaics

Shaun Tan et al.

Summary: Optoelectronic devices rely on heterointerfaces between different semiconducting materials, and the energy-level alignment between them plays a crucial role in device performance. Surface treatments for perovskite solar cells can impact the energetics of the heterointerface, potentially affecting device stability. Balancing the pros and cons of surface treatments is essential for improving PSC stability.

NATURE (2022)

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Article Nanoscience & Nanotechnology

Single-crystalline TiO2 nanoparticles for stable and efficient perovskite modules

Yong Ding et al.

Summary: The incorporation of electron transport layers based on single-crystalline TiO2 rhombohedral nanoparticles enables the realization of stable and efficient large-area perovskite solar cell modules. The devices achieve high efficiency and stability, making them promising for practical applications.

NATURE NANOTECHNOLOGY (2022)

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Article Optics

Quantum-size-tuned heterostructures enable efficient and stable inverted perovskite solar cells

Hao Chen et al.

Summary: The energy landscape of reduced-dimensional perovskites (RDPs) can be tailored by adjusting their layer width. In this study, a method to increase the layer width of RDPs in 2D/3D heterostructures is reported to address electron blocking at the interface. This method allows for the development of efficient inverted perovskite solar cells with high stability.

NATURE PHOTONICS (2022)

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Article Multidisciplinary Sciences

Organometallic-functionalized interfaces for highly efficient inverted perovskite solar cells

Zhen Li et al.

Summary: Functionalizing the interfaces of multication and halide perovskite solar cells with an organometallic compound, ferrocenyl-bis-thiophene-2-carboxylate (FcTc(2)), enhances their efficiency and stability. The resulting devices exhibit high performance and stability, as demonstrated by tests and continuous operation.

SCIENCE (2022)

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Article Multidisciplinary Sciences

Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions

Randi Azmi et al.

Summary: By tailoring the dimensional fragments of two-dimensional perovskite layers, damp-heat stable perovskite solar cells with high power conversion efficiencies were successfully fabricated. These cells retain over 95% of their initial value after more than 1000 hours under damp-heat test conditions, meeting one of the critical industrial stability standards for photovoltaic modules.

SCIENCE (2022)

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Article Multidisciplinary Sciences

Scalable processing for realizing 21.7%-efficient all-perovskite tandem solar modules

Ke Xiao et al.

Summary: Efficient all-perovskite tandem solar modules were fabricated using tunable cesium ratio of mixed-halide perovskite and an electrically conductive conformal diffusion barrier. These modules demonstrated high efficiency and stability even after continuous operation.

SCIENCE (2022)

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Article Chemistry, Physical

Elimination of Interfacial Lattice Mismatch and Detrimental Reaction by Self-Assembled Layer Dual-Passivation for Efficient and Stable Inverted Perovskite Solar Cells

Jiaqi Zhang et al.

Summary: In this study, the issues of interfacial lattice mismatch and adverse reaction in nickel oxide-based inverted perovskite solar cells are addressed by using a self-assembled small molecule CBSA, achieving high conversion efficiency and excellent stability.

ADVANCED ENERGY MATERIALS (2022)

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Review Chemistry, Physical

Buried Interface Modification in Perovskite Solar Cells: A Materials Perspective

Zhi-Wen Gao et al.

Summary: This article examines the latest progress in modifying the buried interface of organic-inorganic hybrid perovskite solar cells (PSCs) to enhance their performance and stability. It discusses the use of various materials and techniques and provides valuable insights for achieving higher power conversion efficiency in PSCs and interface adjustment in other layered structure heterojunction devices.

ADVANCED ENERGY MATERIALS (2022)

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Article Nanoscience & Nanotechnology

Fully Roll-to-Roll Processed Efficient Perovskite Solar Cells via Precise Control on the Morphology of PbI2:CsI Layer

Hengyue Li et al.

Summary: Perovskite solar cells have attracted significant attention as a promising alternative for clean energy generation. This study demonstrates the successful fabrication of high efficiency perovskite solar cells using slot-die coating technique under ambient condition.

NANO-MICRO LETTERS (2022)

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Article Nanoscience & Nanotechnology

Heterogeneous FASnI3 Absorber with Enhanced Electric Field for High-Performance Lead-Free Perovskite Solar Cells

Tianhao Wu et al.

Summary: Lead-free tin perovskite solar cells have shown rapid development and promising efficiency, with the fabrication of a formamidinium tin iodide perovskite absorber with a vertical Sn2+ gradient to enhance the built-in electric field. The depth-dependent X-ray photoelectron spectroscopy revealed an increase in efficiency and open-circuit voltage for the tin PSCs, even after continuous operation under 1-sun illumination for 1,000 hours.

NANO-MICRO LETTERS (2022)

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Article Chemistry, Physical

Donor-acceptor-donor type organic spacer for regulating the quantum wells of Dion-Jacobson 2D perovskites

Chang Liu et al.

Summary: By innovatively designing D-A-D type organic cation as 2D spacer, researchers successfully optimized the structure of 2D perovskite, improving the performance of solar cells and achieving high efficiency.

NANO ENERGY (2022)

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Article Energy & Fuels

Modulating crystal growth of formamidinium-caesium perovskites for over 200 cm2 photovoltaic sub-modules

Tongle Bu et al.

Summary: By tailoring the composition of the precursor ink and adding additives in the co-solvent system, high-efficiency perovskite solar cells over large areas have been achieved.

NATURE ENERGY (2022)

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Article Energy & Fuels

In situ growth of graphene on both sides of a Cu-Ni alloy electrode for perovskite solar cells with improved stability

Xuesong Lin et al.

Summary: The use of a composite electrode of copper-nickel alloy and in situ-grown graphene improves the long-term stability of perovskite solar cells. This composite electrode has an appropriate work function and provides excellent protection against oxygen, water, and internal reactions. The resulting devices demonstrate high stability under various environmental conditions.

NATURE ENERGY (2022)

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Article Chemistry, Physical

Highly efficient CsPbI3/Cs1-xDMAxPbI3 bulk heterojunction perovskite solar cell

Xiuhong Sun et al.

Summary: In this study, the open-circuit voltage of Cs-based perovskite solar cells was significantly enhanced by constructing a CsPbI3/Cs(1-x)DMA(x)PbI(3) bulk heterojunction structure, leading to improved charge separation and collection efficiency as well as reduced carrier recombination loss. This research suggests that junction engineering could be a new strategy for efficient perovskite devices.

JOULE (2022)

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Article Chemistry, Physical

Over 24% efficient MA-free CsxFA1-xPbX3 perovskite solar cells

Siyang Wang et al.

Summary: In this study, CsFA films with high quality were fabricated using innovative morphology engineering method, which combines solution deposition and vacuum evaporation. The CsFA-based perovskite solar cells demonstrated excellent thermal stability and high power conversion efficiency, making them a promising candidate for applications in solar energy conversion.

JOULE (2022)

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Review Energy & Fuels

Perovskite Single-Crystal Solar Cells: Advances and Challenges

Luisa De Marco et al.

Summary: The power conversion efficiency of metal-halide perovskite solar cells has greatly increased, suggesting its potential for large-scale industrial applications. Perovskite single crystals have better electrical properties compared to polycrystalline materials, but their integration into complete devices requires special attention and growth techniques. This review summarizes recent advances in single-crystal halide perovskites, including crystalline structure, growth methods, and device design.

SOLAR RRL (2022)

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Article Chemistry, Physical

Constructing Efficient Hole-Transporting Materials by Tuning Fluorine Substitution for Inverted Perovskite Solar Cells with Efficiency Exceeding 20%

Biyi Wang et al.

Summary: In this study, dopant-free hole-transporting materials (HTMs) based on three pyrrolo[3,2-b]pyrrole (PP) core building blocks with different fluorine substitutions were synthesized and applied in inverted perovskite solar cells (PSCs). The number and position of fluorine substitutions had a significant impact on the photochemical and photovoltaic performances of the resulting HTMs. The hexafluorine-substituted HTM, 6FPPY, exhibited excellent hole extraction efficiency and achieved a remarkable power conversion efficiency (PCE) of 20.1% with negligible hysteresis and good long-term stability. This work paves the way for the design of cost-effective, dopant-free HTMs for high-performance inverted PSCs.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Multidisciplinary Sciences

Perovskite superlattices with efficient carrier dynamics

Yusheng Lei et al.

Summary: Compared with 3D perovskites, low-dimensional metal halide perovskites have shown promising stability and electrical performance. However, their unique multiple-quantum-well structure limits the device efficiencies. In this study, a superlattice structure was fabricated using chemical epitaxy, enabling efficient carrier transport in three dimensions and improving the performance of solar cells.

NATURE (2022)

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Article Multidisciplinary Sciences

Accelerated aging of all-inorganic, interface-stabilized perovskite solar cells

Xiaoming Zhao et al.

Summary: By incorporating a 2D capping layer, the stability of the interface in CsPbI3 PSCs can be improved, leading to an increased power conversion efficiency of all-inorganic PSCs. Accelerated aging tests can predict degradation rates and intrinsic lifetimes of PSCs at different temperatures.

SCIENCE (2022)

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Article Multidisciplinary Sciences

Inactive (PbI2)2RbCl stabilizes perovskite films for efficient solar cells

Yang Zhao et al.

Summary: In halide perovskite solar cells, introducing RbCl doping effectively stabilizes the perovskite phase by converting excess PbI2 into an inactive compound. This strategy achieved a certified PCE of 25.6% for FAPbI(3) perovskite solar cells, with high device stability and minimal hysteresis effects.

SCIENCE (2022)

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Article Multidisciplinary Sciences

A charge transfer framework that describes supramolecular interactions governing structure and properties of 2D perovskites

Xiaoming Zhao et al.

Summary: Understanding structure-property relationships is crucial for designing functional materials. In this study, the authors propose a descriptor to predict the electronic properties of two-dimensional lead iodide perovskites for photovoltaic applications. By introducing bifunctional ligands, the material properties and device characteristics of perovskite solar cells can be improved.

NATURE COMMUNICATIONS (2022)

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Article Multidisciplinary Sciences

Hydrogenated Cs2AgBiBr6 for significantly improved efficiency of lead-free inorganic double perovskite solar cell

Zeyu Zhang et al.

Summary: The authors report hydrogenated lead-free inorganic perovskite solar cells with enhanced power conversion efficiency. By using a hydrogenation method, the bandgap of Cs2AgBiBr6 films could be tunable from 2.18 eV to 1.64 eV, resulting in improved photoelectric conversion efficiency of the solar cells.

NATURE COMMUNICATIONS (2022)

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Article Multidisciplinary Sciences

Sequential vacuum-evaporated perovskite solar cells with more than 24% efficiency

Hang Li et al.

Summary: Vacuum evaporation is a promising method for the fabrication of perovskite solar cells, with the advantages of precise film thickness control and compatibility with large-scale production. A Cl-containing alloy-mediated sequential vacuum evaporation approach was developed to fabricate perovskite films with high uniformity and few defects, resulting in high power conversion efficiency. The method provides a reproducible approach for scalable fabrication of large-area, high-efficiency perovskite solar cells and other perovskite-based optoelectronics.

SCIENCE ADVANCES (2022)

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Review Chemistry, Multidisciplinary

The principles, design and applications of fused-ring electron acceptors

Jiayu Wang et al.

Summary: Fused-ring electron acceptors (FREAs) with high tunability and excellent properties have revolutionized the field of organic solar cells. FREAs have achieved remarkable efficiencies of over 20% and potential operational lifetimes of up to 10 years.

NATURE REVIEWS CHEMISTRY (2022)

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Article Chemistry, Physical

Surface redox engineering of vacuum-deposited NiOx for top-performance perovskite solar cells and modules

Minyon Du et al.

Summary: A surface redox engineering (SRE) method is proposed to match vacuum-deposited NiOx with slot-die-coated perovskite films, resulting in high-performance PSCs and perovskite submodules.

JOULE (2022)

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Article Chemistry, Physical

Surface engineering with oxidized Ti3C2Tx MXene enables efficient and stable p-i-n-structured CsPbI3 perovskite solar cells

Jin Hyuck Heo et al.

Summary: Surface engineering of the CsPbI3 layer with oxidized Ti3C2Tx MXene nanoplates via spray coatings resulted in highly efficient and stable p-i-n-structured CsPbI3 perovskite solar cells. The addition of OMXene provided a physical barrier against moisture and improved charge separation at the perovskite-electron transporting layer interface, leading to the demonstration of efficient CsPbI3/OMXene-based p-i-n devices with good stability.

JOULE (2022)

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Article Chemistry, Multidisciplinary

A low-cost hole transport layer enables CsPbI2Br single-junction and tandem perovskite solar cells with record efficiencies of 17.8 % and 21.4 %

Yuanjia Ding et al.

Summary: Among inorganic perovskites, CsPbI2Br shows great potential for single-junction perovskite solar cells (PSCs) and perovskite/organic tandem solar cells (TSCs) due to its intrinsic thermal stability, suitable bandgap, and superior phase-stability. This study demonstrates that using PTQ10 as a hole transport layer (HTL) for PSCs and an inter-connecting layer (ICL) for TSCs can significantly improve the power conversion efficiencies (PCEs) of CsPbI2Br-based devices. The PTQ10 HTL exhibits better energy level matching with CsPbI2Br and can passivate the perovskite surface, leading to enhanced performance in both PSCs and TSCs.

NANO TODAY (2022)

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Article Multidisciplinary Sciences

Surface reaction for efficient and stable inverted perovskite solar cells

Qi Jiang et al.

Summary: In this study, a reactive surface engineering approach was used to enhance the performance of perovskite solar cells with an inverted structure. The resulting p-i-n solar cells showed a high power conversion efficiency of over 25% and remained stable after long-term operation under extreme conditions.

NATURE (2022)

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Article Materials Science, Multidisciplinary

Conjugated Self-Assembled Monolayer as Stable Hole-Selective Contact for Inverted Perovskite Solar Cells

Shuo Zhang et al.

Summary: The alkyl linker-based self-assembled monolayer (SAM) has limitations in its hole-transporting capability and stability. In this study, a series of conjugated SAMs with enhanced photo and electrical stability were reported. The conjugated molecular structure not only improves charge transport but also stabilizes the electron-rich arylamines. An optimal conjugated SAM, in combination with a standard triple cation perovskite, achieved efficient inverted PSCs with high stability. The findings suggest that conjugated SAMs are promising for further advancement of inverted PSCs.

ACS MATERIALS LETTERS (2022)

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Review Materials Science, Multidisciplinary

Charge transport materials for mesoscopic perovskite solar cells

Maria Vasilopoulou et al.

Summary: This article provides an overview of recent advances in the understanding of interfaces in organic-inorganic perovskite solar cells, especially in terms of performance improvement strategies for mesoporous solar cells and the design of HTM-free architectures.

JOURNAL OF MATERIALS CHEMISTRY C (2022)

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Review Materials Science, Multidisciplinary

Counter electrodes for perovskite solar cells: materials, interfaces and device stability

Bolin Lyu et al.

Summary: This review discusses the development of counter electrodes in perovskite solar cells (PSCs), focusing on the materials, interfaces, and device stability. The roles and requirements of counter electrodes are summarized, as well as different degradation mechanisms and characterization methods. The review also reviews the recent development of alternative counter electrodes and their photovoltaic performance.

JOURNAL OF MATERIALS CHEMISTRY C (2022)

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Article Chemistry, Multidisciplinary

Novel dopant-free hole transport materials enabling 20.9% efficiency in perovskite solar cells

Xinxing Yin et al.

Summary: Two new donor-acceptor-donor (D-A-D) type dopant-free hole transport materials (HTMs), named BDD-T and BTT-T, were developed and successfully applied in perovskite solar cells, achieving an impressive power conversion efficiency (PCE) of 20.9%.

CHEMICAL COMMUNICATIONS (2022)

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Article Chemistry, Physical

A dopant-free 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT)-based hole transporting layer for highly stable perovskite solar cells with efficiency over 22%

Ismail Cihan Kaya et al.

Summary: In this study, n-i-p perovskite solar cells (PSCs) were successfully fabricated using dopant-free 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT) as the solution-processed hole transporting layer (HTL). The optimized device with C8-BTBT film showed a high power conversion efficiency (PCE) of 22.45% and good stability against moisture and high temperature. A thin dopant-free C8-BTBT HTL played a critical role in hole extraction, transport, and enhancing the stability of the PSCs.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Multidisciplinary

Inhibiting metal-inward diffusion-induced degradation through strong chemical coordination toward stable and efficient inverted perovskite solar cells

Jiabao Yang et al.

Summary: By modifying the barrier material BCP with the additive TTTS, the diffusion of metal electrodes can be prevented, leading to improved efficiency and stability of perovskite solar cells.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Optimized carrier extraction at interfaces for 23.6% efficient tin-lead perovskite solar cells

Shuaifeng Hu et al.

Summary: In this study, carrier extraction in mixed tin-lead perovskite solar cells is improved by modifying the surfaces with ethylenediammonium diiodide and glycine hydrochloride. The modified solar cells show improved performance and stability, with efficiencies of up to 23.6% and retaining over 80% of initial efficiency after 200 hours of continuous operation.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Perylene Diimide-Based Oligomers and Polymers for Organic Optoelectronics

Pei Cheng et al.

Summary: Perylene diimide (PDI) has various advantages and is widely used in organic electronic and photonic devices. PDI-based oligomers and polymers are important in solar cells and field-effect transistors, as they offer unique properties and advantages compared to other materials.

ACCOUNTS OF MATERIALS RESEARCH (2022)

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Article Chemistry, Physical

ZnO electron transporting layer engineering realized over 20% efficiency and over 1.28 V open-circuit voltage in all-inorganic perovskite solar cells

Xiao Wu et al.

Summary: In this work, low-temperature processed ZnO doped with PbX2 is used as an ETL alternative to improve the stability and performance of cesium lead based all-inorganic perovskite solar cells. The incorporation of PbX2 enhances the energy level alignment and promotes the growth of the perovskite layer, leading to enhanced charge extraction and suppression of charge recombination. As a result, the efficiency of the PSCs is significantly improved.

ECOMAT (2022)

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Article Materials Science, Multidisciplinary

Chemo-thermal surface dedoping for high-performance tin perovskite solar cells

Jianheng Zhou et al.

Summary: In this study, a surface-dedoping approach is used to enhance the efficiency of tin perovskite solar cells. By optimizing the film morphology, negative effects are avoided. The method also improves carrier lifetime and reduces trap density, resulting in higher device efficiency. Furthermore, the tin perovskite solar cells exhibit stability even after long-term storage.

MATTER (2022)

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Article Chemistry, Multidisciplinary

A Coplanar π-Extended Quinoxaline Based Hole-Transporting Material Enabling over 21 % Efficiency for Dopant-Free Perovskite Solar Cells

Huanxin Guo et al.

Summary: Developing efficient dopant-free hole transporting materials is crucial for enhancing the stability of perovskite solar cells. By rational pi-extension, researchers have improved the performance of dopant-free HTMs with a quinoxaline core, resulting in enhanced charge transporting capabilities and higher hole mobility. These materials show great potential for application in PSCs with improved power conversion efficiency and long-term stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Engineering of dendritic dopant-free hole transport molecules: enabling ultrahigh fill factor in perovskite solar cells with optimized dendron construction

Wei Chen et al.

Summary: A novel dendritic engineering strategy was utilized to design dopant-free hole-transporting materials (HTMs) for high-performance perovskite solar cells (PVSCs). HTMs MPA-Cz-BTI and MCz-Cz-BTI exhibited improved interfacial contact with the perovskite active layer, resulting in high power conversion efficiencies and ultrahigh fill factors.

SCIENCE CHINA-CHEMISTRY (2021)

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Review Chemistry, Physical

Review on recent progress of lead-free halide perovskites in optoelectronic applications

Jiabao Li et al.

Summary: The efficiency of perovskite solar cells has reached a high level, but the challenge of lead element remains. Lead-free halide perovskites have gained attention for their excellent optoelectronic properties and eco-friendly features. Through structural and performance optimization, LFHPs show promising applications in various devices.

NANO ENERGY (2021)

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Article Chemistry, Multidisciplinary

Highly Efficient and Stable Dion-Jacobson Perovskite Solar Cells Enabled by Extended π-Conjugation of Organic Spacer

Zhiyuan Xu et al.

Summary: The newly developed TTDMA spacer enables 2D DJ perovskite solar cells to achieve high efficiency and long-term stability, with significant advantages in various performance indicators confirmed by experiments.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Low-Bandgap Organic Bulk-Heterojunction Enabled Efficient and Flexible Perovskite Solar Cells

Shengfan Wu et al.

Summary: Lead halide perovskite and organic solar cells are seen as promising candidates for clean energy applications, but improvements are needed in the near-infrared photon loss and photovoltage deficit. By integrating low-bandgap organic bulk-heterojunction layers into inverted PSCs, high-performance hybrid solar cells can be constructed. These hybrid solar cells demonstrate excellent power conversion efficiency, extended photoresponse, and superior long-term stability compared to single-component PSCs and OSCs. With the highest efficiency reported for flexible solar cells to date, flexible HSCs can be integrated as a power source for wearable sensors, demonstrating real-time temperature monitoring capabilities.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Rational Surface-Defect Control via Designed Passivation for High-Efficiency Inorganic Perovskite Solar Cells

Xiaojing Gu et al.

Summary: Iodine vacancies and undercoordinated Pb2+ are the main causes of nonradiative charge recombination in all-inorganic perovskite films, while passivation with histamine (HA) significantly reduces surface trap density and prolongs charge lifetime, leading to an increased solar cell efficiency.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Intramolecular Electric Field Construction in Metal Phthalocyanine as Dopant-Free Hole Transporting Material for Stable Perovskite Solar Cells with >21 % Efficiency

Zefeng Yu et al.

Summary: Ni phthalocyanine (NiPc)with methoxyethoxy units as HTMs showed improved conductivity and hole mobility in PSCs, achieving a record efficiency of 21.23%. The extracted holes in NiPc are mainly concentrated on the phthalocyanine core and transferred between molecules, demonstrating good stability in moisture, heating, and light.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Chemistry, Multidisciplinary

The 2D Halide Perovskite Rulebook: How the Spacer Influences Everything from the Structure to Optoelectronic Device Efficiency

Xiaotong Li et al.

Summary: This review provides guidelines on choosing spacers and incorporating them into crystalline materials and optoelectronic devices for two-dimensional halide perovskites. The comprehensive understanding of the effects of spacers on structure, properties, and device performance can accelerate the discovery and application of novel 2D materials in high-performance devices.

CHEMICAL REVIEWS (2021)

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Article Multidisciplinary Sciences

Nanoscale localized contacts for high fill factors in polymer-passivated perovskite solar cells

Jun Peng et al.

Summary: This research introduces a nanopatterned electron transport layer that overcomes the trade-off between passivation quality and series resistance in traditional polymer passivation layers. Combining the nanopatterned electron transport layer with a dopant-free hole transport layer improves the efficiency and stability of perovskite solar cells.

SCIENCE (2021)

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Article Multidisciplinary Sciences

Flexible and efficient perovskite quantum dot solar cells via hybrid interfacial architecture

Long Hu et al.

Summary: All-inorganic CsPbI3 perovskite quantum dots have shown promising efficiency for photovoltaic applications and exhibit better mechanical stability compared to other quantum dot materials. By developing hybrid interfaces, efficient charge transfer and mechanical adhesion can be achieved, leading to higher performance optoelectronic devices.

NATURE COMMUNICATIONS (2021)

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Review Chemistry, Applied

Nickel oxide for inverted structure perovskite solar cells

Fei Ma et al.

Summary: Inverted perovskite solar cells (PSCs) have attracted great attention due to their potential for improving stability. The use of nickel oxide (NiOx) as a hole transporting layer has shown promising results in achieving efficient and stable device performance, with efficiencies over 20%. Further research is ongoing to address current challenges and improve the development of efficient and stable NiOx based PSCs.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Physical

Unravelling the Behavior of Dion-Jacobson Layered Hybrid Perovskites in Humid Environments

Algirdas Ducinskas et al.

Summary: While layered hybrid halide perovskites are generally believed to be more stable in humid conditions, this study reveals that the structure of Dion-Jacobson-type perovskites can be disrupted under such conditions. The original structure can be restored through annealing, and the hydration can be suppressed by generating a self-protective layer of PbI2.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Low-Cost Dopant Additive-Free Hole-Transporting Material for a Robust Perovskite Solar Cell with Efficiency Exceeding 21%

Hongwei Zhu et al.

Summary: Developing a novel pyramid-shaped, low-cost HTM MeOTTVT with extended conjugation has improved charge transport efficiency and stability, resulting in high-performance PSCs. The molecular configuration of MeOTTVT facilitates hole transport and exhibits outstanding stability, making it a promising material for commercialization.

ACS ENERGY LETTERS (2021)

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Article Energy & Fuels

Intact 2D/3D halide junction perovskite solar cells via solid-phase in-plane growth

Yeoun-Woo Jang et al.

Summary: Researchers have developed a solid-phase method to grow phase-pure two-dimensional perovskites in perovskite solar cells, enhancing device efficiency and stability. By growing a stable two-dimensional film on top of a three-dimensional film using a solvent-free method, an intact 2D/3D heterojunction is formed, resulting in high photovoltage in the device.

NATURE ENERGY (2021)

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Article Chemistry, Physical

D-A-π-A-D-type Dopant-free Hole Transport Material for Low-Cost, Efficient, and Stable Perovskite Solar Cells

Tianqi Niu et al.

Summary: The development of low-cost and efficient hole transport materials (HTMs) is crucial for commercialization of perovskite solar cells (PSCs). DTB-FL with a D-A-pi-A-D molecular design shows promise in achieving high efficiencies and stability in PSCs, as it features excellent optoelectronic properties and efficient surface passivation effects.

JOULE (2021)

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Article Chemistry, Physical

Surface Engineering of Ambient-Air-Processed Cesium Lead Triiodide Layers for Efficient Solar Cells

So Me Yoon et al.

Summary: Cesium lead triiodide (CsPbI3) has a desirable band gap and high thermal stability, but its power conversion efficiency (PCE) is lower than that of organic cation-based halide perovskites with identical band gaps. The PCE of CsPbI3 solar cells is mainly governed by the surface morphology and defect passivation of its thin films.

JOULE (2021)

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Article Nanoscience & Nanotechnology

Fluorinating Dopant-Free Small-Molecule Hole-Transport Material to Enhance the Photovoltaic Property

Yi Kai Wang et al.

Summary: The study demonstrates that using fluorinated DFBT-MTP as DF-HTMs in perovskite solar cells can significantly improve photovoltaic efficiency, and fluorinated compounds may be a promising direction for exploring high-performance DF-HTMs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Nanoscience & Nanotechnology

Robust and Swiftly Reversible Thermochromic Behavior of a 2D Perovskite of (C6H4(CH2NH3)2)(CH3NH3)[Pb2I7] for Smart Window and Photovoltaic Smart Window Applications

Yang Zhang et al.

Summary: The study reveals a highly robust and swiftly reversible thermochromic nature of a two-dimensional perovskite, showing different optical properties at various temperatures. The perovskite film is demonstrated to be an active material for smart windows and thermochromic solar cells with potential applications in lowering inside air temperature and achieving power conversion efficiency.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Environmental

Colloidal CsCu5S3 nanocrystals as an interlayer in high-performance perovskite solar cells with an efficiency of 22.29%

Chi Yang et al.

Summary: The use of CsCu5S3 nanocrystals as an interlayer in perovskite solar cells significantly improved the performance, resulting in a champion power conversion efficiency of 22.29%. The CCS interlayer effectively suppressed non-radiative recombination, leading to stable photovoltaic conversion efficiency.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Multidisciplinary

A Cost-Effective D-A-D Type Hole-Transport Material Enabling 20% Efficiency Inverted Perovskite Solar Cells†

Jiachen Huang et al.

Summary: The newly designed D-A-D type HTMs have shown high efficiency and low cost potential for perovskite solar cells, making them promising candidates for commercialization.

CHINESE JOURNAL OF CHEMISTRY (2021)

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Article Multidisciplinary Sciences

Perovskite solar cells with atomically coherent interlayers on SnO2 electrodes

Hanul Min et al.

Summary: By introducing an interlayer between the electron-transporting and perovskite layers in perovskite solar cells, researchers have successfully enhanced charge extraction and transport from the perovskite, leading to higher power conversion efficiency and fewer interfacial defects. The coherent interlayer allowed the fabrication of devices with a certified efficiency of 25.5%, which maintained about 90% of its initial efficiency even after continuous light exposure for 500 hours. The findings provide guidelines for designing defect-minimizing interfaces in metal halide perovskites and electron-transporting layers.

NATURE (2021)

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Article Chemistry, Multidisciplinary

Stable perovskite solar cells with efficiency of 22.6% via quinoxaline-based polymeric hole transport material

Chenxing Lu et al.

Summary: The use of dopant-free D-A copolymer HTM can improve the performance of perovskite solar cells, increasing efficiency and enhancing stability.

SCIENCE CHINA-CHEMISTRY (2021)

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Article Chemistry, Physical

Wide Bandgap Interface Layer Induced Stabilized Perovskite/Silicon Tandem Solar Cells with Stability over Ten Thousand Hours

Yucheng Li et al.

Summary: The perovskite/silicon tandem solar cell can break through the efficiency limitations of silicon cells by optimizing energy level alignment, achieving high efficiency and stability for long-term operation.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Hybrid Perovskite Quantum Dot/Non-Fullerene Molecule Solar Cells with Efficiency Over 15%

Jiabei Yuan et al.

Summary: This study demonstrates superior photovoltaic performance of hybrid solar cells consisting of CsPbI3 perovskite QDs and Y6 series non-fullerene molecules, highlighting their importance in hybrid device design. The champion CsPbI3 QD/Y6-F hybrid device achieves a record-high efficiency of 15.05% for QD/organic hybrid PV devices, paving a new way for efficient optoelectronic devices with solution-processable hybrid films.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Imide-Functionalized Triarylamine-Based Donor-Acceptor Polymers as Hole Transporting Layers for High-Performance Inverted Perovskite Solar Cells

Bolin Li et al.

Summary: The study developed two new copolymers as dopant-free hole-transporting layers, which exhibited excellent performance in inverted PVSCs, highlighting their potential in enhancing the efficiency of solar cells.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Low-Dimensional Inorganic Tin Perovskite Solar Cells Prepared by Templated Growth

Hansheng Li et al.

Summary: Manipulating dimensionality and nanostructures based on precise control of crystal growth kinetics boosts the development of perovskite optoelectronic materials and devices. Here, a low-dimensional inorganic tin halide perovskite, CsSnBrI2-x(SCN)(x), with a mixed 2D and 3D structure is fabricated, showing superior performance and high power conversion efficiency.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Organic Tetrabutylammonium Cation Intercalation to Heal Inorganic CsPbI3 Perovskite

Xiaomin Liu et al.

Summary: Intercalation of TBA cation into CsPbI3 to form TBAPbI(3) protective layer helps to heal defects, resulting in enhanced stability and efficiency of perovskite solar cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Efficient (>20 %) and Stable All-Inorganic Cesium Lead Triiodide Solar Cell Enabled by Thiocyanate Molten Salts

Bingcheng Yu et al.

Summary: By developing a UAT molten salt modification strategy, high-quality CsPbI3 films have been successfully deposited with significantly improved crystal quality, leading to a cell efficiency of over 20% and excellent stability over 1000 hours. These results demonstrate a promising development route for CsPbI3-related photoelectric devices.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Chemistry, Applied

Recent advances of Cu-based hole transport materials and their interface engineering concerning different processing methods in perovskite solar cells

Tengling Ye et al.

Summary: Perovskite solar cells (PSCs) have gained significant attention in the past decade due to their high efficiency and low cost, with the power conversion efficiency increasing rapidly. Inorganic Cu-based p-type semiconductors are important for PSCs, offering advantages like variety, low cost, good mobility, adjustable energy levels, stability, low temperature processing, and scalability. Challenges and future trends in Cu-based inorganic HTMs and interface engineering in PSCs were analyzed.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Physical

Size mismatch induces cation segregation in CsPbI3: Forming energy level gradient and 3D/2D heterojunction promotes the efficiency of carbon-based perovskite solar cells to over 15%

Hailiang Wang et al.

Summary: The study investigates size mismatch-induced cation segregation in CsPbI3, which leads to improved hole selectivity at the CsPbI3/carbon interface, reducing carrier recombination loss in carbon-based perovskite solar cells.

NANO ENERGY (2021)

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Article Chemistry, Multidisciplinary

An Embedding 2D/3D Heterostructure Enables High-Performance FA-Alloyed Flexible Perovskite Solar Cells with Efficiency over 20%

Zhen Wang et al.

Summary: A study on the fabrication of flexible FA-alloyed perovskite solar cells using solvent engineering and embedding 2D/3D perovskite heterostructures strategy has achieved high efficiency and improved mechanical robustness.

ADVANCED SCIENCE (2021)

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Article Energy & Fuels

Ti1-graphene single-atom material for improved energy level alignment in perovskite solar cells

Chunyang Zhang et al.

Summary: The use of single-atom materials as back electrodes in carbon-based perovskite solar cells has been shown to improve device performance and achieve higher power conversion efficiencies through advanced modular cell architecture.

NATURE ENERGY (2021)

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Article Chemistry, Physical

Minimizing hydrogen vacancies to enable highly efficient hybrid perovskites

Xie Zhang et al.

Summary: Hydrogen vacancies induce non-radiative losses in methylammonium lead iodide perovskites synthesized under iodine-poor conditions, while they are less detrimental in formamidinium-based hybrid perovskites. The high density of hydrogen vacancies in hybrid perovskites acts as efficient non-radiative recombination centers, impacting device performance significantly. Minimizing the incorporation of hydrogen vacancies is crucial for achieving optimal performance in hybrid perovskites.

NATURE MATERIALS (2021)

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Article Multidisciplinary Sciences

Interfacial toughening with self-assembled monolayers enhances perovskite solar cell reliability

Zhenghong Dai et al.

Summary: The use of iodine-terminated self-assembled monolayer (I-SAM) in perovskite solar cells (PSCs) leads to increased adhesion toughness at the interface, improved power conversion efficiency, reduced hysteresis, and enhanced operational stability. This is attributed to a decrease in hydroxyl groups at the interface and higher interfacial toughness achieved with I-SAM treatment.

SCIENCE (2021)

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Article Chemistry, Physical

Localized Electron Density Engineering for Stabilized B-γ CsSnI3-Based Perovskite Solar Cells with Efficiencies >10%

Tao Ye et al.

Summary: The undesirable oxidation in CsSnI3 is restricted by engineering the localized electron density with phthalimide (PTM) additive, resulting in reduced defect density and relatively grain-ordered perovskite film. Champion efficiencies are obtained for modified rigid and flexible B-gamma CsSnI3-based PSCs, and the encapsulated devices exhibit high stability under various conditions.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Fluorinated Aromatic Formamidinium Spacers Boost Efficiency of Layered Ruddlesden-Popper Perovskite Solar Cells

Qiaohui Li et al.

Summary: This study demonstrated the efficient application of a class of aromatic formamidinium (ArFA) spacers in 2D Ruddlesden-Popper (RP) perovskite solar cells, with the fluorinated spacer p-FPhFA showing superior performance. It provides a new pathway for the development of high-performance 2D perovskite solar cells.

ACS ENERGY LETTERS (2021)

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Article Green & Sustainable Science & Technology

Preventing lead leakage with built-in resin layers for sustainable perovskite solar cells

Shangshang Chen et al.

Summary: The presence of toxic lead in perovskite solar cells is a major environmental concern. The researchers have developed a new device structure that incorporates a low-cost lead-adsorbing resin into the perovskite layers, effectively reducing lead leakage without compromising device performance.

NATURE SUSTAINABILITY (2021)

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Article Energy & Fuels

Stable 2D Alternating Cation Perovskite Solar Cells with Power Conversion Efficiency >19% via Solvent Engineering

Jun Yang et al.

Summary: This study demonstrates the crystallization control of ACI perovskites through solvent engineering, leading to improved film crystallinity and smoothness, as well as enhanced optoelectronic properties. The resulting ACI perovskite solar cells exhibit high efficiency and stability, serving as an ideal option for high-performance 2D perovskite solar cells.

SOLAR RRL (2021)

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Article Chemistry, Multidisciplinary

Dopant-Free Hole Transport Materials Based on a Large Conjugated Electron-Deficient Core for Efficient Perovskite Solar Cells

Jiefeng Hai et al.

Summary: Two novel dopant-free HTMs, Y6-T and Y-T, with large conjugated electron-deficient cores are designed in this work, showing enhanced pi-pi stacking, reduced hole hopping distance, and increased hole mobilities. With careful device optimization, Y-T achieves an impressive power conversion efficiency of 20.29% and better long-term stability compared to Y6-T and doped spiro-OMeTAD. This work provides a promising candidate and useful design strategy for exploring dopant-free HTMs in commercializing PSCs.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Heterogeneous 2D/3D Tin-Halides Perovskite Solar Cells with Certified Conversion Efficiency Breaking 14%

Bin-Bin Yu et al.

Summary: By modulating the microstructure of 2D/3D heterogeneous tin-perovskite absorber films through substituting FAI with FPEABr, the oxidation of Sn2+ to Sn4+ and defect density were effectively suppressed, leading to a remarkable increase in conversion efficiency from 9.38% to 14.81%.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Efficient and Stable CsPbI3 Inorganic Perovskite Photovoltaics Enabled by Crystal Secondary Growth

Xingtao Wang et al.

Summary: This study demonstrates defect compensation in CsPbI3 perovskite through crystal secondary growth induced by a solid-state reaction, resulting in highly efficient inorganic photovoltaics. The secondary growth process involving a bromine salt can heal defects, improve charge dynamics, enhance phase stability, and deliver a solar cell efficiency of 20.04% with excellent operational stability.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Electrical Loss Management by Molecularly Manipulating Dopant-free Poly(3-hexylthiophene) towards 16.93 % CsPbI2Br Solar Cells

Ming-Hua Li et al.

Summary: By manipulating the interaction between the polymer and small molecule, a strategy for managing electrical losses in inorganic cesium lead halide perovskite solar cells was developed, significantly increasing carrier mobility and reducing surface defect density, while also improving stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Synergistical Dipole-Dipole Interaction Induced Self-Assembly of Phenoxazine-Based Hole-Transporting Materials for Efficient and Stable Inverted Perovskite Solar Cells

Ning Cai et al.

Summary: Through the design of two ordered structure HTMs, especially N01, high-performance perovskite solar cells can be achieved with higher intrinsic hole mobility and more favorable interfacial properties.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

One-Step Synthesis of SnI2•(DMSO)x Adducts for High-Performance Tin Perovskite Solar Cells

Xianyuan Jiang et al.

Summary: This study improved the electron diffusion length and structural homogeneity of tin halide perovskite materials using a synthetic route, resulting in solar cells with a power conversion efficiency of 14.6%.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Multidisciplinary

Multiple-Noncovalent-Interaction-Stabilized Layered Dion-Jacobson Perovskite for Efficient Solar Cells

Guangwei Lv et al.

Summary: A multifluorinated aromatic spacer, 4F-PhDMA, has been developed for 2D DJ perovskites, showing high dissociation energy and improved stability. The optimized 2D DJ device with this spacer achieves a champion efficiency of 16.62%, higher than control devices, highlighting the importance of noncovalent interactions in achieving high efficiencies and stabilities in 2D DJ perovskite solar cells.

NANO LETTERS (2021)

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Article Optics

Stable and low-photovoltage-loss perovskite solar cells by multifunctional passivation

Guang Yang et al.

Summary: An effective approach to reduce photovoltage loss in metal halide perovskite solar cells is through the passivation of internal bulk defects and dimensionally graded two-dimensional perovskite interface defects. This method resulted in significantly low photovoltage loss and improved operational stability across different bandgap systems.

NATURE PHOTONICS (2021)

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Article Multidisciplinary Sciences

Lead halide-templated crystallization of methylamine-free perovskite for efficient photovoltaic modules

Tongle Bu et al.

Summary: Efficient and stable perovskite layers are crucial for the commercialization of perovskite solar cells. A lead halide-templated crystallization strategy has been developed to print formamidinium-cesium lead triiodide perovskite films, achieving high-quality large-area films with controlled nucleation and growth. An unencapsulated device with 23% efficiency and excellent long-term thermal stability has been achieved, showcasing the potential for practical application in the future.

SCIENCE (2021)

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Article Chemistry, Physical

Low Temperature Processed Fully Printed Efficient Planar Structure Carbon Electrode Perovskite Solar Cells and Modules

Fu Yang et al.

Summary: This study presents a low-temperature fully printed perovskite solar cell production scheme using carbon as the top electrode, achieving highly efficient and stable PSCs under ambient conditions and meeting the requirements for industrial-scale production. The optimized carbon-PSCs show efficiencies exceeding 18% with enhanced stability, retaining 100% of their initial efficiency after 5000 hours in a humid atmosphere. Large-area perovskite modules with an efficiency of 15.3% are successfully obtained by optimizing femtosecond laser parameters. These results represent important progress towards the scalable production and global application of PSCs.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Dopant-Free Hole-Transporting Material with Enhanced Intermolecular Interaction for Efficient and Stable n-i-p Perovskite Solar Cells

Jing Wang et al.

Summary: The study introduces a novel small molecular hole-transporting material SFDT-TDM based on spirofluorene-dithiolane, synthesized through easy and cost-effective routes, which shows high efficiency and stability in perovskite solar cells.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

π-Conjugated Small Molecules Modified SnO2 Layer for Perovskite Solar Cells with over 23% Efficiency

Qiang Lou et al.

Summary: This work presents a new type of SnO2 passivator, which improves the efficiency of perovskite solar cells by optimizing molecular stacking to enhance interfacial characteristics. The impressive power conversion efficiency over 23% achieved with this new passivator is among the highest reported values for triple-cation perovskite systems to date.

ADVANCED ENERGY MATERIALS (2021)

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Review Chemistry, Physical

A critical review of materials innovation and interface stabilization for efficient and stable perovskite photovoltaics

Yousheng Wang et al.

Summary: Perovskite solar cells based on Omh perovskite composites and interface stabilization strategies show great potential for efficient and stable photovoltaic applications, but challenges in operational stability still need to be addressed.

NANO ENERGY (2021)

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Article Chemistry, Multidisciplinary

Halogen-halogen bonds enable improved long-term operational stability of mixed-halide perovskite photovoltaics

Xinliang Fu et al.

Summary: The introduction of halogen-halogen bonds at the phase interface successfully suppresses ion migration in mixed-halide perovskite, leading to a stable and efficient photovoltaic device. Encapsulated devices exhibit long-term stability and high performance, offering a new solution to the stability challenges of perovskite materials.

CHEM (2021)

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Article Chemistry, Physical

Efficient perovskite solar mini-modules fabricated via bar-coating using 2-methoxyethanol-based formamidinium lead tri-iodide precursor solution

Jin Wook Yoo et al.

Summary: Efficiency of >25% has been achieved in small-area perovskite solar cells, but large-area devices face challenges in achieving similar uniform coatings and defect control. By utilizing air-knife-assisted bar-coating technique, dense and uniform perovskite films were successfully deposited, with mini-modules reaching over 20% efficiency.

JOULE (2021)

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Article Engineering, Environmental

Fluorinated Cross-linkable and Dopant-free hole transporting materials for efficient and stable perovskite solar cells

Jianchang Wu et al.

Summary: Two novel hole transporting materials with thermally cross-linkable styryl groups were developed for perovskite solar cells, enabling in situ cross-linking and smooth, solvent-resistant film formation. The fluorination approach enhanced interactions between HTM, formamidine, and lead in perovskite, leading to improved efficiency and stability, with HTM-F showing higher power conversion efficiency and better retention of initial performance after prolonged exposure to air and heat compared to the fluorine-free HTM-H.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Materials Science, Multidisciplinary

A low-cost and green-solvent-processable hole-transport material enabled by a traditional bidentate ligand for highly efficient inverted perovskite solar cells

Jiachen Huang et al.

Summary: The use of bidentate ligands as hole-transport materials (HTMs) shows promise for highly efficient perovskite solar cells (PVSCs). The M1 compound based on a bidentate ligand exhibits high power conversion efficiency and can be processed using green solvents, offering cost-effective production.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

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Article Multidisciplinary Sciences

Enhanced perovskite electronic properties via A-site cation engineering

Xufeng Xiao et al.

Summary: Organic-inorganic halide perovskites are promising candidates for low-cost photovoltaics and opto-electronics. This study compares the optoelectronic properties of acetamidinium and guanidinium mixed methylammonium lead iodide perovskites, revealing the potential impact of A-site cation on carrier mobility. While the A-site cations do not affect the bandgap of the perovskites, the mobility of the Ace mixed perovskite is significantly enhanced, leading to a high efficiency in solar cells applications.

FUNDAMENTAL RESEARCH (2021)

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Article Chemistry, Multidisciplinary

A star-shaped cyclopentadithiophene-based dopant-free hole-transport material for high-performance perovskite solar cells

Kun-Mu Lee et al.

Summary: A new CPDT-based organic small molecule serves as an efficient dopant-free hole transport material for perovskite solar cells, showing an impressive power conversion efficiency of 19.68% and better stability compared with spiro-OMeTAD.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

A new strategy for constructing a dispiro-based dopant-free hole-transporting material: spatial configuration of spiro-bifluorene changes from a perpendicular to parallel arrangement

Zhongquan Wan et al.

Summary: A novel dispiro-based HTM, WH-1, is designed to improve the performance of PSCs without the need for doping. WH-1 is synthesized efficiently and shows superior long-term stability.

CHEMICAL SCIENCE (2021)

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Review Chemistry, Physical

Design of small molecular hole-transporting materials for stable and high-performance perovskite solar cells

Jiang-Yang Shao et al.

Summary: Perovskite solar cells have achieved high power conversion efficiencies, with the development of highly efficient small molecular hole-transporting materials playing a crucial role. Research has focused on alternative materials to address cost and stability issues associated with commonly used materials like spiro-OMeTAD. Structural features of small molecule hole-transporting materials, such as spiro molecules with new terminal groups, star-shaped materials, and linear materials, have shown promise for enhancing device performance in perovskite solar cells. Future developments will continue to explore novel hole-transporting materials to advance the commercialization of perovskite solar cells.

CHEMICAL PHYSICS REVIEWS (2021)

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Article Chemistry, Physical

Enhancing the efficiency and stability of two-dimensional Dion-Jacobson perovskite solar cells using a fluorinated diammonium spacer

Di Wang et al.

Summary: In this study, a novel 2D DJ perovskite film was prepared using 2,3,5,6-tetrafluoro-1,4-benzenedimethanammonium (TFBDA), which showed improved charge transport and dense morphology. The TFBDA-based PVSC achieved an outstanding PCE of 15.24%, outperforming its nonfluorinated counterpart. The enhanced efficiency and stability of the TFBDA-based devices can be attributed to the hydrophobic nature of the fluorine atom and the stronger interaction between the fluorinated organic spacer and the inorganic slab.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Spontaneous interface engineering for dopant-free poly(3-hexylthiophene) perovskite solar cells with efficiency over 24%

Min Ju Jeong et al.

Summary: By incorporating gallium(iii) acetylacetonate into organic hole-transporting materials without additional surface treatment processes, the interface engineering strategy efficiently reduces the recombination loss and enhances the performance of perovskite solar cells. This method significantly improves the power conversion efficiency of PSCs and maintains stability without hygroscopic additives, showing a promising route for high performance and commercialization.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Review Chemistry, Physical

Lead-free halide perovskites: a review of the structure-property relationship and applications in light emitting devices and radiation detectors

Yuting Gao et al.

Summary: Lead halide perovskites show excellent performance but are limited by the toxicity of lead. Designing lead-free environmentally friendly devices is a challenging task. Researchers discuss the design strategy, theoretical understanding, and experimental demonstrations of lead-free perovskites, as well as the current status and future prospects in this field.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Materials Science, Multidisciplinary

Molecular Engineering for Two-Dimensional Perovskites with Photovoltaic Efficiency Exceeding 18%

Guangbao Wu et al.

Summary: The study presents a strategy utilizing molecular van der Waals interaction to modify crystallization, phase distribution, and quantum-confined behaviors in 2D perovskites. With the optimal amylamine (AA) spacer, a champion PCE of 18.42% has been achieved.

MATTER (2021)

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Article Chemistry, Multidisciplinary

22.8%-Efficient single-crystal mixed-cation inverted perovskite solar cells with a near-optimal bandgap

Abdullah Y. Alsalloum et al.

Summary: By utilizing a mixed-cation single-crystal absorber layer, the external quantum efficiency band edge can be redshifted, leading to increased short-circuit current densities and overall efficiencies.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Review Chemistry, Multidisciplinary

Emerging perovskite quantum dot solar cells: feasible approaches to boost performance

Jingxuan Chen et al.

Summary: Lead halide perovskite quantum dots (PQDs) have shown great promise in the field of solar cells, with significant advancements in power conversion efficiency of PQD solar cells (PQDSCs) achieved through controlling surface chemistry and device physics. Various strategies, including synthesis methods and compositional engineering, have been discussed to improve device performance, highlighting the importance of device architecture in photovoltaic performance. Additionally, the review addresses device stability and outlines potential challenges and opportunities for further development of PQDSCs.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Review Chemistry, Multidisciplinary

Progress of all-perovskite tandem solar cells: the role of narrow-bandgap absorbers

Xinhui Luo et al.

Summary: All-perovskite tandem solar cells have rapidly advanced in recent years due to their low-cost fabrication and high efficiency, with the critical role of narrow-bandgap perovskites being highlighted in their progress.

SCIENCE CHINA-CHEMISTRY (2021)

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Article Energy & Fuels

Two-dimensional Ruddlesden-Popper layered perovskite solar cells based on phase-pure thin films

Chao Liang et al.

Summary: Introducing molten salt spacers can produce phase-pure quantum wells and enhance the performance of solar cells. Two-dimensional Ruddlesden-Popper layered metal-halide perovskites have better stability and optoelectronic properties compared to their three-dimensional counterparts.

NATURE ENERGY (2021)

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Review Chemistry, Multidisciplinary

Single Crystal Perovskite Solar Cells: Development and Perspectives

Xiao Cheng et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Review Chemistry, Physical

Recent Progresses on Defect Passivation toward Efficient Perovskite Solar Cells

Feng Gao et al.

ADVANCED ENERGY MATERIALS (2020)

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Review Chemistry, Physical

Processing-Performance Evolution of Perovskite Solar Cells: From Large Grain Polycrystalline Films to Single Crystals

Md Azimul Haque et al.

ADVANCED ENERGY MATERIALS (2020)

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Review Nanoscience & Nanotechnology

Minimizing non-radiative recombination losses in perovskite solar cells

Deying Luo et al.

NATURE REVIEWS MATERIALS (2020)

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Article Nanoscience & Nanotechnology

Regulated Crystallization of Efficient and Stable Tin-Based Perovskite Solar Cells via a Self-Sealing Polymer

Gengling Liu et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Tin and Mixed Lead-Tin Halide Perovskite Solar Cells: Progress and their Application in Tandem Solar Cells

Shuai Gu et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Dopant-Free Organic Hole-Transporting Material for Efficient and Stable Inverted All-Inorganic and Hybrid Perovskite Solar Cells

Kui Jiang et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Soft Lattice and Defect Covalency Rationalize Tolerance of β-CsPbI3 Perovskite Solar Cells to Native Defects

Weibin Chu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Optics

Efficient and stable Ruddlesden-Popper perovskite solar cell with tailored interlayer molecular interaction

Hui Ren et al.

NATURE PHOTONICS (2020)

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Article Multidisciplinary Sciences

Efficient tandem solar cells with solution-processed perovskite on textured crystalline silicon

Yi Hou et al.

SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Efficient and stable tin-based perovskite solar cells by introducing π-conjugated Lewis base

Tianhao Wu et al.

SCIENCE CHINA-CHEMISTRY (2020)

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Article Multidisciplinary Sciences

Efficient lateral-structure perovskite single crystal solar cells with high operational stability

Yilong Song et al.

NATURE COMMUNICATIONS (2020)

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Article Multidisciplinary Sciences

Ultra-high open-circuit voltage of tin perovskite solar cells via an electron transporting layer design

Xianyuan Jiang et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Dopant-Free, Donor-Acceptor-Type Polymeric Hole-Transporting Materials for the Perovskite Solar Cells with Power Conversion Efficiencies over 20%

Guofeng You et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

High Electron Affinity Enables Fast Hole Extraction for Efficient Flexible Inverted Perovskite Solar Cells

Pengbin Ru et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Energy & Fuels

Ligand-assisted cation-exchange engineering for high-efficiency colloidal Cs1-xFAxPbI3 quantum dot solar cells with reduced phase segregation

Mengmeng Hao et al.

NATURE ENERGY (2020)

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Review Nanoscience & Nanotechnology

Scalable fabrication and coating methods for perovskite solar cells and solar modules

Nam-Gyu Park et al.

NATURE REVIEWS MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Phase Distribution and Carrier Dynamics in Multiple-Ring Aromatic Spacer-Based Two-Dimensional Ruddlesden-Popper Perovskite Solar Cells

Zhiyuan Xu et al.

ACS NANO (2020)

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Article Chemistry, Multidisciplinary

Highly Stable and Efficient Perovskite Solar Cells with 22.0% Efficiency Based on Inorganic-Organic Dopant-Free Double Hole Transporting Layers

Chang Liu et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Guanidinium-Assisted Surface Matrix Engineering for Highly Efficient Perovskite Quantum Dot Photovoltaics

Xufeng Ling et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Physical

Bulk heterojunction gifts bismuth-based lead-free perovskite solar cells with record efficiency

Wanpei Hu et al.

NANO ENERGY (2020)

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Review Chemistry, Multidisciplinary

Strategies for Improving the Stability of Tin-Based Perovskite (ASnX3) Solar Cells

Huanhuan Yao et al.

ADVANCED SCIENCE (2020)

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Article Multidisciplinary Sciences

Resolving spatial and energetic distributions of trap states in metal halide perovskite solar cells

Zhenyi Ni et al.

SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Dopant-free hole transporting materials with supramolecular interactions and reverse diffusion for efficient and modular p-i-n perovskite solar cells

Rongming Xue et al.

SCIENCE CHINA-CHEMISTRY (2020)

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Article Multidisciplinary Sciences

Efficient and stable tin perovskite solar cells enabled by amorphous-polycrystalline structure

Xiao Liu et al.

NATURE COMMUNICATIONS (2020)

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Review Chemistry, Physical

Inorganic Halide Perovskite Solar Cells: Progress and Challenges

Jingjing Tian et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Thiophene-Based Two-Dimensional Dion-Jacobson Perovskite Solar Cells with over 15% Efficiency

Di Lu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Materials Science, Multidisciplinary

Exciton Character and High-Performance Stimulated Emission of Hybrid Lead Bromide Perovskite Polycrystalline Film

Jiangjian Shi et al.

ADVANCED OPTICAL MATERIALS (2020)

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Review Chemistry, Physical

Advancing Tin Halide Perovskites: Strategies toward the ASnX3 Paradigm for Efficient and Durable Optoelectronics

Yajie Yan et al.

ACS ENERGY LETTERS (2020)

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Article Chemistry, Multidisciplinary

Organic-Salt-Assisted Crystal Growth and Orientation of Quasi-2D Ruddlesden-Popper Perovskites for Solar Cells with Efficiency over 19%

Hongtao Lai et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Self-Repairing Tin-Based Perovskite Solar Cells with a Breakthrough Efficiency Over 11%

Chengbo Wang et al.

ADVANCED MATERIALS (2020)

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Review Chemistry, Multidisciplinary

High-Efficiency Perovskite Solar Cells

Jin Young Kim et al.

CHEMICAL REVIEWS (2020)

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Article Chemistry, Physical

Alkyl side-chain dependent self-organization of small molecule and its application in high-performance organic and perovskite solar cells

Sora Oh et al.

NANO ENERGY (2020)

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Article Energy & Fuels

A holistic approach to interface stabilization for efficient perovskite solar modules with over 2,000-hour operational stability

Zonghao Liu et al.

NATURE ENERGY (2020)

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Article Chemistry, Physical

Improving Efficiency and Stability of Perovskite Solar Cells Enabled by A Near-Infrared-Absorbing Moisture Barrier

Qin Hu et al.

JOULE (2020)

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Article Energy & Fuels

Integrated Perovskite/Organic Photovoltaics with Ultrahigh Photocurrent and Photoresponse Approaching 1000 nm

Mingyu Zhang et al.

SOLAR RRL (2020)

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Article Chemistry, Multidisciplinary

High-Pressure Nitrogen-Extraction and Effective Passivation to Attain Highest Large-Area Perovskite Solar Module Efficiency

Minyong Du et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Precise Control of Perovskite Crystallization Kinetics via Sequential A-Site Doping

Minchao Qin et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

In Situ Ligand Bonding Management of CsPbI3Perovskite Quantum Dots Enables High-Performance Photovoltaics and Red Light-Emitting Diodes

Junwei Shi et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Multidisciplinary Sciences

Sn(IV)-free tin perovskite films realized by in situ Sn(0) nanoparticle treatment of the precursor solution

Tomoya Nakamura et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Highly stable and Efficient Perovskite Solar Cells Based on FAMA-Perovskite-Cu:NiO Composites with 20.7% Efficiency and 80.5% Fill Factor

Yousheng Wang et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

2-Thiopheneformamidinium-Based 2D Ruddlesden-Popper Perovskite Solar Cells with Efficiency of 16.72% and Negligible Hysteresis

Yixin Dong et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Teaching an Old Anchoring Group New Tricks: Enabling Low-Cost, Eco-Friendly Hole-Transporting Materials for Efficient and Stable Perovskite Solar Cells

Yang Wang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Energy & Fuels

Low-bandgap mixed tin-lead iodide perovskites with reduced methylammonium for simultaneous enhancement of solar cell efficiency and stability

Chongwen Li et al.

NATURE ENERGY (2020)

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Article Chemistry, Physical

Stabilizing Perovskite Solar Cells to IEC61215:2016 Standards with over 9,000-h Operational Tracking

Anyi Mei et al.

JOULE (2020)

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Article Multidisciplinary Sciences

Chemical anti-corrosion strategy for stable inverted perovskite solar cells

Xiaodong Li et al.

SCIENCE ADVANCES (2020)

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Review Chemistry, Multidisciplinary

Controlling the crystallization dynamics of photovoltaic perovskite layers on larger-area coatings

Linxiang Zeng et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Accessing Highly Oriented Two-Dimensional Perovskite Films via Solvent-Vapor Annealing for Efficient and Stable Solar Cells

Xiaoming Zhao et al.

NANO LETTERS (2020)

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Review Chemistry, Multidisciplinary

Towards commercialization: the operational stability of perovskite solar cells

Nengxu Li et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Article Chemistry, Multidisciplinary

A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability

By Xiaoming Zhao et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Templated growth of FASnI3 crystals for efficient tin perovskite solar cells

Xiao Liu et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Energy & Fuels

Dibenzo[b,d]thiophene-Cored Hole-Transport Material with Passivation Effect Enabling the High-Efficiency Planar p-i-n Perovskite Solar Cells with 83% Fill Factor

Jing Zhang et al.

SOLAR RRL (2020)

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Review Chemistry, Multidisciplinary

Progress, highlights and perspectives on NiO in perovskite photovoltaics

Diego Di Girolamo et al.

CHEMICAL SCIENCE (2020)

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Article Chemistry, Physical

Surface-Controlled Oriented Growth of FASnI3 Crystals for Efficient Lead-free Perovskite Solar Cells

Xiangyue Meng et al.

JOULE (2020)

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Article Chemistry, Physical

Exploiting Electrical Transients to Quantify Charge Loss in Solar Cells

Yiming Li et al.

JOULE (2020)

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Review Chemistry, Multidisciplinary

Advances in two-dimensional organic-inorganic hybrid perovskites

Fei Zhang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Semi-Locked Tetrathienylethene as a Building Block for Hole-Transporting Materials: Toward Efficient and Stable Perovskite Solar Cells

Chao Shen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Multidisciplinary

Tailoring Passivation Molecular Structures for Extremely Small Open-Circuit Voltage Loss in Perovskite Solar Cells

Shuang Yang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Multidisciplinary Sciences

Efficient, stable and scalable perovskite solar cells using poly(3-hexylthiophene)

Eui Hyuk Jung et al.

NATURE (2019)

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Editorial Material Multidisciplinary Sciences

Prospects for low-toxicity lead-free perovskite solar cells

Weijun Ke et al.

NATURE COMMUNICATIONS (2019)

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Article Energy & Fuels

Planar p-n homojunction perovskite solar cells with efficiency exceeding 21.3%

Peng Cui et al.

NATURE ENERGY (2019)

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Article Chemistry, Multidisciplinary

Short-Chain Ligand-Passivated Stable α-CsPbI3 Quantum Dot for All-Inorganic Perovskite Solar Cells

Keqiang Chen et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Preparation of Tortuous 3D γ-CsPbI3 Films at Low Temperature by CaI2 as Dopant for Highly Efficient Perovskite Solar Cells

Hang Zhao et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

High Efficiency Planar p-i-n Perovskite Solar Cells Using Low-Cost Fluorene-Based Hole Transporting Material

Jing Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Optics

Surface passivation of perovskite film for efficient solar cells

Qi Jiang et al.

NATURE PHOTONICS (2019)

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Article Chemistry, Physical

High-Performance and Stable Perovskite Solar Cells Based on Dopant-Free Arylamine-Substituted Copper(II) Phthalocyanine Hole-Transporting Materials

Yaomiao Feng et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Benefiting from Spontaneously Generated 2D/3D Bulk-Heterojunctions in Ruddlesden-Popper Perovskite by Incorporation of S-Bearing Spacer Cation

Yajie Yan et al.

ADVANCED SCIENCE (2019)

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Article Chemistry, Physical

Single-Crystal MAPbI3 Perovskite Solar Cells Exceeding 21% Power Conversion Efficiency

Zhaolai Chen et al.

ACS ENERGY LETTERS (2019)

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Article Chemistry, Multidisciplinary

Overcoming Zinc Oxide Interface Instability with a Methylammonium-Free Perovskite for High-Performance Solar Cells

Kelly Schutt et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Dithieno[3,2-b:2′,3′-d]pyrrol-Cored Hole Transport Material Enabling Over 21% Efficiency Dopant-Free Perovskite Solar Cells

Xinxing Yin et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

A Small-Molecule Charge Driver enables Perovskite Quantum Dot Solar Cells with Efficiency Approaching 13%

Jingjing Xue et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Dopant-Free Small-Molecule Hole-Transporting Material for Inverted Perovskite Solar Cells with Efficiency Exceeding 21%

Yang Wang et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Dithieno[3,2-b:2′,3′-d]pyrrole Cored p-Type Semiconductors Enabling 20 % Efficiency Dopant-Free Perovskite Solar Cells

Jie Zhou et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Physical

Cesium Lead Mixed-Halide Perovskites for Low-Energy Loss Solar Cells with Efficiency Beyond 17%

Haoran Wang et al.

CHEMISTRY OF MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Two-Dimensional Dion-Jacobson Hybrid Lead Iodide Perovskites with Aromatic Diammonium Cations

Xiaotong Li et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Multidisciplinary Sciences

Thermal unequilibrium of strained black CsPbI3 thin films

Julian A. Steele et al.

SCIENCE (2019)

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Article Multidisciplinary Sciences

Stabilizing halide perovskite surfaces for solar cell operation with wide-bandgap lead oxysalts

Shuang Yang et al.

SCIENCE (2019)

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Article Multidisciplinary Sciences

High efficiency perovskite quantum dot solar cells with charge separating heterostructure

Qian Zhao et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Multidisciplinary

Spray-Coated Colloidal Perovskite Quantum Dot Films for Highly Efficient Solar Cells

Jifeng Yuan et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Highly Stable and Efficient FASnI3-Based Perovskite Solar Cells by Introducing Hydrogen Bonding

Xiangyue Meng et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Multidisciplinary

Review on Recent Progress of All-Inorganic Metal Halide Perovskites and Solar Cells

Wanchun Xiang et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Fine Multi-Phase Alignments in 2D Perovskite Solar Cells with Efficiency over 17% via Slow Post-Annealing

Guangbao Wu et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Targeted Therapy for Interfacial Engineering Toward Stable and Efficient Perovskite Solar Cells

Shuhui Wang et al.

ADVANCED MATERIALS (2019)

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Article Multidisciplinary Sciences

Thermodynamically stabilized β-CsPbI3-based perovskite solar cells with efficiencies >18%

Yong Wang et al.

SCIENCE (2019)

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Article Chemistry, Physical

Quantifying the Interface Defect for the Stability Origin of Perovskite Solar Cells

Jionghua Wu et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

Rational Design of Dopant-Free Coplanar D-π-D Hole-Transporting Materials for High-Performance Perovskite Solar Cells with Fill Factor Exceeding 80%

Yatong Chen et al.

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ACS ENERGY LETTERS (2017)

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A 19.0% efficiency achieved in CuOx-based inverted CH3NH3PbI3-xClx solar cells by an effective Cl doping method

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[Anonymous]

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Synthesis, characterization and phase transitions of the inorganic-organic layered perovskite-type hybrids [(CnH2n+1NH3)(2)PbI4], n=7, 8, 9 and 10

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Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells

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