[PbX6]4- modulation and organic spacer construction for stable perovskite solar cells

Review Chemistry, Multidisciplinary

Surface Passivation Using 2D Perovskites toward Efficient and Stable Perovskite Solar Cells

Guangbao Wu et al.

Summary: 3D perovskite solar cells face challenges in surface defects and material interplay. 2D perovskites provide better stability as a protective barrier. Surface passivation using 2D perovskites enables higher efficiency and stability.

ADVANCED MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Crystallization kinetics modulation and defect suppression of all-inorganic CsPbX3 perovskite films

Junjie Ma et al.

Summary: In recent years, all-inorganic CsPbX3 perovskite solar cells have garnered significant research interest and achieved a rapid increase in power conversion efficiency to 20.8%. Research efforts have focused on optimizing film quality and understanding film formation mechanisms to enhance device performance.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Chemical Polishing of Perovskite Surface Enhances Photovoltaic Performances

Lichen Zhao et al.

Summary: A simple chemical polishing strategy was reported to remove PbI2 crystals from the perovskite surface, decoupling the effects of excess PbI in perovskite solar cells. This strategy resulted in improved perovskite surface properties, leading to increased photovoltages and fill factors, as well as enhanced device stability.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (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

An autonomously swimming biohybrid fish designed with human cardiac biophysics

Keel Yong Lee et al.

Summary: Researchers explore the applicability of the functional regulatory features of the heart in a synthetic fish system, successfully recreating muscle contraction and relaxation by leveraging cardiac mechanoelectrical signaling and automaticity. They also engineer an electrically autonomous pacing node to control the actuation cycle, achieving self-sustained swimming in the synthetic fish.

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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Review Chemistry, Multidisciplinary

Ion Migration in Organic-Inorganic Hybrid Perovskite Solar Cells: Current Understanding and Perspectives

Weike Zhu et al.

Summary: Organic-inorganic hybrid perovskite (OIHPs) solar cells are promising alternatives to silicon solar cells, but their poor stability hinders commercial development. This article discusses the mechanism and regulation strategies for ion migration, and enumerates several methods to suppress it.

SMALL (2022)

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Article Chemistry, Physical

Controlling the Formation Process of Methylammonium-Free Halide Perovskite Films for a Homogeneous Incorporation of Alkali Metal Cations Beneficial to Solar Cell Performance

Daming Zheng et al.

Summary: Utilizing multiple cations of the 1A alkali metal column to prepare perovskite films can improve photovoltaic properties, with NH4Cl additives enhancing solubility and promoting perovskite phase formation. The addition of NH4Cl also leads to more homogeneous distribution of alkali metals, improving overall crystallization quality and achieving high power conversion efficiency.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

CsI Enhanced Buried Interface for Efficient and UV-Robust Perovskite Solar Cells

Hang Xu et al.

Summary: By utilizing CsI-SnO2 complex as the buried interface for the electron transport layer, an effective strategy for enhancing the efficiency and stability of perovskite solar cells has been achieved. CsI modification facilitates perovskite film growth and defect passivation, while the gradient distribution of Cs+ contributes to suitable band alignment and enhanced resistance to UV exposure, resulting in significantly improved power conversion efficiency and UV stability for FAPbI(3)-based PSCs.

ADVANCED ENERGY MATERIALS (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 Chemistry, Physical

Temperature-Dependent Ionic Conductivity and Properties of Iodine-Related Defects in Metal Halide Perovskites

Sandhya Tammireddy et al.

Summary: The study investigates the formation and migration of ionic defects in metal halide perovskites, utilizing impedance spectroscopy to determine ion formation enthalpies and formation entropy changes in different thin films. By focusing on the iodide vacancy as the dominant defect, comparisons of entropy and enthalpy changes were made across various perovskite compositions. This approach is applicable to ionic conductors in general.

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 Multidisciplinary Sciences

Highly efficient and stable perovskite solar cells enabled by low-dimensional perovskitoids

Jinbo Chen et al.

Summary: By capping the photoactive layer with low-dimensional perovskitoids, the efficiency and stability of perovskite solar cells can be effectively improved. The low-dimensional perovskitoids can passivate surface defects and provide excellent protection, allowing the cells to maintain high efficiency under severe environmental conditions.

SCIENCE ADVANCES (2022)

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Article Chemistry, Physical

Facet orientation tailoring via 2D-seed-induced growth enables highly efficient and stable perovskite solar cells

Chao Luo et al.

Summary: In this study, highly oriented 2D perovskite seeds were introduced to optimize the growth kinetics of 3D perovskite, resulting in a high-quality mixed-dimensional perovskite film with superior PCE and FF.

JOULE (2022)

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Article Chemistry, Physical

Revealing the strain-associated physical mechanisms impacting the performance and stability of perovskite solar cells

Wei Meng et al.

Summary: Identification and investigation of strain at buried interfaces in halide perovskite photovoltaics are crucial for directing research on the performance and stability of perovskite solar cells. In this work, we find that interfacial strain causes a gradual shift in the band gap, which is desired for device engineering. However, the increased defect density leads to charge recombination and ion migration, resulting in decreased performance.

JOULE (2022)

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Article Chemistry, Multidisciplinary

Synchronous Passivation of Defects with Low Formation Energies via Terdentate Anchoring Enabling High Performance Perovskite Solar Cells with Efficiency over 24%

Wenhao Zhao et al.

Summary: Halide perovskites have intrinsic interfacial defects, and the use of 1,10-phenanthrolin-5-amine as a passivation molecule can effectively improve the performance of perovskite solar cells by modifying these defects.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Crystal Growth Regulation of 2D/3D Perovskite Films for Solar Cells with Both High Efficiency and Stability

Tong Zhou et al.

Summary: Controlling crystal growth in perovskite films using 2D (NpMA)(2)PbI4 perovskite and 1-naphthalenemethylammonium iodide (NpMAI) can significantly improve the film quality and increase grain size, reducing defects and improving carrier lifetime. The best-performing device shows high power conversion efficiency and improved operational stability.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Full-Dimensional Grain Boundary Stress Release for Flexible Perovskite Indoor Photovoltaics

Chun-Hao Chen et al.

Summary: This article discusses a full-dimensional grain boundary stress release strategy for flexible perovskite indoor photovoltaics. By using borax as a 3D crosslinking agent, the mechanical and phase stabilities of the perovskite films are improved. The fabricated devices show high conversion efficiencies under indoor conditions.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Manipulating Crystallization Kinetics in High-Performance Blade-Coated Perovskite Solar Cells via Cosolvent-Assisted Phase Transition

Qiong Liang et al.

Summary: By incorporating ethyl alcohol (EtOH) into perovskite ink, a facile and effective strategy for fabricating high-performance room-temperature blade-coated perovskite solar cells and modules is demonstrated in this work. Real-time perovskite crystallization studies reveal the structural evolutions and phase-transition pathway. The strategy efficiently suppresses nonradiative recombination and improves device efficiency and stability.

ADVANCED MATERIALS (2022)

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Article Engineering, Environmental

Passivating buried interface via self-assembled novel sulfonium salt toward stable and efficient perovskite solar cells

Xin Zuo et al.

Summary: A simple and effective buried interface passivation strategy based on cation engineering was developed for perovskite solar cells. The modifiers CDSC and DPAH can passivate defects on the surface of perovskite and SnO2 films, and reduce interfacial energy barrier by improving energy band alignment. CDSC demonstrated superior defect passivation and energy band modulation compared to DPAH.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Water-Accelerated Photooxidation of CH3NH3PbI3 Perovskite

Timothy D. Siegler et al.

Summary: Halide perovskites have the potential to disrupt the photovoltaics market due to their high performance and low cost. However, their degradation under moisture, oxygen, and light raises concerns about their service lifetime. This study reports a water-accelerated photooxidation mechanism that dominates the degradation kinetics of a typical perovskite, CH3NH3PbI3, under specific environmental conditions. The researchers also develop a kinetic model that predicts the degradation rate based on temperature, oxygen and water levels, and illumination. This highlights the need for encapsulation schemes to prevent oxygen ingress and the subsequent water-accelerated photooxidative decomposition.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Physical

Lattice strain suppresses point defect formation in halide perovskites

Caner Deger et al.

Summary: In this study, we computationally investigate the impact of crystal strain on the formation of native point defects in halide perovskites. We find that FAPbI(3) is more sensitive to strain compared to other perovskite structures. The strain not only controls the formation of defects but also influences their transition levels in the band gap, suggesting that tailoring the lattice strain could be used as a defect passivation mechanism in future studies.

NANO RESEARCH (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

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 Chemistry, Physical

Defect Healing in FAPb(I1-xBrx)(3) Perovskites: Multifunctional Fluorinated Sulfonate Surfactant Anchoring Enables >21% Modules with Improved Operation Stability

Jun Zhu et al.

Summary: Formamidinium lead triiodide-based perovskite solar cells have shown great potential for future photovoltaic technologies. The introduction of heptadecafluorooctanesulfonic acid tetraethylammonium salt (HFSTT) as a modifier has improved the quality and stability of the perovskite films, leading to high power conversion efficiencies and long-term performance.

ADVANCED ENERGY MATERIALS (2022)

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Review Materials Science, Multidisciplinary

Electron-phonon interactions in halide perovskites

Yasuhiro Yamada et al.

Summary: This article discusses the uniqueness of perovskite semiconductors from the viewpoint of electron-phonon interactions. The formation of polarons is crucial for carrier transport in perovskite semiconductors, and the experimental results and models regarding effective carrier mass and carrier mobility are reviewed. Two physical phenomena related to strong electron-phonon interactions, strong anti-Stokes photoluminescence and slow hot-carrier cooling, are briefly explained.

NPG ASIA MATERIALS (2022)

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Article Chemistry, Physical

Efficient, stable formamidinium-cesium perovskite solar cells and minimodules enabled by crystallization regulation

Yiming Li et al.

Summary: Researchers have developed a dual-functional additive that can regulate the crystallization and defects of FA-Cs perovskite film, resulting in improved efficiency and stability of perovskite solar cells.

JOULE (2022)

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Article Energy & Fuels

Superhalogen Passivation for Efficient and Stable Perovskite Solar Cells

Hobeom Kim et al.

Summary: Metal-halide perovskites are promising optoelectronic materials for solar cells. However, the presence of defects within perovskites can degrade their photovoltaic performance and stability. Halide engineering, including the use of superhalogens, is important to mitigate these issues and improve the materials quality of perovskites. This perspective provides an overview of research on using superhalogens to develop efficient and stable perovskite solar cells.

SOLAR RRL (2022)

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Article Chemistry, Multidisciplinary

Revealing Steric-Hindrance-Dependent Buried Interface Defect Passivation Mechanism in Efficient and Stable Perovskite Solar Cells with Mitigated Tensile Stress

Qian Zhou et al.

Summary: In this study, a novel and effective steric-hindrance-dependent buried interface defect passivation and stress release strategy is reported, which utilizes adamantane derivative molecules to modify the SnO2/perovskite interface. The experimental and theoretical results confirm the steric-hindrance-dependent defect passivation effect and interfacial chemical interaction strength. The device performance is enhanced by mitigating interfacial strain and passivating interfacial defects. The ADAA-modified device achieves an impressive efficiency of 23.18%.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Suppressing Ion Migration across Perovskite Grain Boundaries by Polymer Additives

Yuhui Ma et al.

Summary: While the passivation effect of polymers with large and small dipole moments on MAPbI(3) perovskite films is negligible, they can significantly improve the stability of photovoltaic devices under continuous light irradiation. The additives are able to strongly suppress ion migration, enhancing the electrical-field stress tolerance of perovskite solar cells.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Highly Thermostable and Efficient Formamidinium-Based Low-Dimensional Perovskite Solar Cells

Lei Cheng et al.

Summary: A new type of MA-free FA-based low-dimensional perovskites shows superior photovoltaic performance and thermal stability compared to MA-containing 2D perovskites.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Elastic Lattice and Excess Charge Carrier Manipulation in 1D-3D Perovskite Solar Cells for Exceptionally Long-Term Operational Stability

Yu Zhan et al.

Summary: In this study, a 1D-3D mixed-dimensional perovskite material is explored to address the instability issue caused by ion migration in organic-inorganic hybrid halide perovskite solar cells. The 1D-3D perovskite shows improved stability and enhanced photovoltaic performance by suppressing ion migration and balancing charge carrier extraction.

ADVANCED MATERIALS (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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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

Engineering fluorinated-cation containing inverted perovskite solar cells with an efficiency of >21% and improved stability towards humidity

Xiao Wang et al.

Summary: Efficient and stable perovskite solar cells with simple active layers are desirable for manufacturing, but the formation of a two-dimensional component in the perovskite film compromises the performance. In this study, low temperature fabrication of highly efficient and stable inverted solar cells was achieved by adding a fluorinated lead salt, resulting in increased crystal size and orientation, as well as enhanced stability under high humidity conditions.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

Preserving a robust CsPbI3 perovskite phase via pressure-directed octahedral tilt

Feng Ke et al.

Summary: By manipulating the stability of inorganic lead halide perovskites through high pressure treatment and structural deformation induced at high pressure, the authors have synthesized a CsPbI3 perovskite phase that is preserved at ambient conditions, potentially enhancing material functionality.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Defect Suppression in Oriented 2D Perovskite Solar Cells with Efficiency over 18% via Rerouting Crystallization Pathway

Yi Yang et al.

Summary: A new crystallization pathway (RCP) is reported to suppress defects in vertically oriented 2D perovskite films, leading to highly homogeneous and stable films with improved optoelectronic properties. By controlling the adsorption of additives on crystal planes, large grains are encouraged to form, ultimately enhancing the performance of solar cells.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Ion Migration Accelerated Reaction between Oxygen and Metal Halide Perovskites in Light and Its Suppression by Cesium Incorporation

Dongxu Lin et al.

Summary: This study found that introducing a moderate amount of cesium ions can effectively hinder the synergistic effect between oxygen-induced degradation and ion migration in organic-inorganic hybrid perovskite solar cells, improving the stability and performance of the cells.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Scanning Kelvin Probe Microscopy Reveals That Ion Motion Varies with Dimensionality in 2D Halide Perovskites

Fangyuan Jiang et al.

Summary: In this study, ion migration in 2D lead halide perovskites of varying dimensionality was investigated using scanning Kelvin probe microscopy (SKPM). The research reveals that dimensionality plays a critical role in ion dynamics.

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 Nanoscience & Nanotechnology

All-optical fluorescence blinking control in quantum dots with ultrafast mid-infrared pulses

Jiaojian Shi et al.

Summary: Photoluminescence blinking, a common issue in quantum dots, reduces emission stability and quantum yield. A new all-optical method using ultrafast mid-infrared pulses successfully suppresses blinking in CdSe/CdS core-shell quantum dots.

NATURE NANOTECHNOLOGY (2021)

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Article Chemistry, Physical

Cation Engineering for Resonant Energy Level Alignment in Two-Dimensional Lead Halide Perovskites

Nadege Marchal et al.

Summary: This study investigates the use of cation engineering to improve the optoelectronic properties of 2D perovskites, showing that electronically active A-site cations can enhance charge transport. Tuning the hybridization of electronic states can lead to a variety of optoelectronic properties, with implications for stable and efficient solar cell devices.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

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Article Multidisciplinary Sciences

Efficient perovskite solar cells via improved carrier management

Jason J. Yoo et al.

Summary: Metal halide perovskite solar cells have shown great potential to disrupt the silicon solar cell market with their improved performance, yet still face limitations in light-harvesting due to charge carrier recombination. Efforts to enhance charge carrier management offer a path to increase device performance and approach the theoretical efficiency limit of PSCs.

NATURE (2021)

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Article Multidisciplinary Sciences

Reconfiguring the band-edge states of photovoltaic perovskites by conjugated organic cations

Jingjing Xue et al.

Summary: The electronic properties of metal-halide perovskites are mainly influenced by the structural and compositional variations in the inorganic B-X framework, while A-site cations primarily stabilize the lattice. The incorporation of pi-conjugated pyrene-containing A-site cations has been shown to extend electronic states, influencing surface band edges and improving carrier dynamics and power conversion efficiencies in perovskites.

SCIENCE (2021)

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Article Chemistry, Physical

Uncovering the Electron-Phonon Interplay and Dynamical Energy-Dissipation Mechanisms of Hot Carriers in Hybrid Lead Halide Perovskites

Christopher C. S. Chan et al.

Summary: The study investigates the electron-phonon interactions in common perovskite films using transient absorption spectroscopy and density function theory calculations. The analysis reveals the complex relationship between carrier temperature and carrier density in HOIPs, shedding light on the hot-phonon bottleneck effect. The research provides a novel perspective on energy transfer in HOIPs and resolves existing experimental contradictions.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Achieving Efficient and Stable Perovskite Solar Cells in Ambient Air Through Non-Halide Engineering

Zhen Wang et al.

Summary: The study introduces a novel precursor engineering method for fabricating high-efficiency perovskite solar cells using non-halide lead sources in ambient air, demonstrating both stability and high efficiency in humid conditions.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Halide Segregation in Mixed-Halide Perovskites: Influence of A-Site Cations

Alexander J. Knight et al.

Summary: Mixed-halide perovskite films of MAPb(Br0.5I0.5)(3) and FA(0.83)Cs(0.17)Pb(Br0.4I0.6)(3) exhibit clear differences in compositional and optoelectronic changes associated with halide segregation. MAPb(Br0.5I0.5)(3) shows low-barrier ionic pathways that enhance stability against halide segregation, while FA(0.83)Cs(0.17)Pb(Br0.4I0.6)(3) lacks such pathways and undergoes considerable ionic rearrangement under prolonged illumination.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Interfacial Passivation Engineering of Perovskite Solar Cells with Fill Factor over 82% and Outstanding Operational Stability on n-i-p Architecture

Bowen Yang et al.

Summary: The use of cyclohexylethylammonium iodide (CEAI) as an interface material successfully improved the fill factor and power conversion efficiency of perovskite solar cells. This was achieved through the formation of a 2D perovskite interlayer, which reduced trap-assisted recombination and enhanced surface hydrophobicity for outstanding stability.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Mixed-Phase Low-Dimensional Perovskite-Assisted Interfacial Lead Directional Management for Stable Perovskite Solar Cells with Efficiency over 24%

Guozhen Liu et al.

Summary: The study successfully tackled the impact of Pb-based defects on the efficiency and stability of perovskite solar cells by designing a low-dimensional perovskite (LDP) using an amphoteric heterocyclic cation. This approach led to increased efficiency and overall stability of the devices, opening up new possibilities for practical application in the field of perovskite photovoltaic devices through directional management of Pb-based interface defects.

ACS ENERGY LETTERS (2021)

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Article Multidisciplinary Sciences

Pseudo-halide anion engineering for α-FAPbI3 perovskite solar cells

Jaeki Jeong et al.

Summary: The research introduces a new concept of using formate anion to suppress defects in metal halide perovskite films and enhance film crystallinity, leading to improved efficiency and stability of solar cells.

NATURE (2021)

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Article Multidisciplinary Sciences

Discovery of temperature-induced stability reversal in perovskites using high-throughput robotic learning

Yicheng Zhao et al.

Summary: The stability of perovskite-based photovoltaics is still a topic that needs more attention. Recent research reveals that the impact of cations on perovskite stability may reverse at temperatures below 100 degrees Celsius, compared to accelerated ageing tests at higher temperatures.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

Dielectric screening in perovskite photovoltaics

Rui Su et al.

Summary: Regulating the dielectric properties can decrease the defect capture probability in perovskite photovoltaic devices, leading to reduced surface recombination and weaker electron-phonon coupling, thereby boosting the power conversion efficiency.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Enhanced Efficiency of Inorganic CsPbI3-xBrx Perovskite Solar Cell via Self-Regulation of Antisite Defects

Zhun Yao et al.

Summary: The study investigates the impact of deep defects on the performance of all-inorganic CsPbI3-xBrx perovskite solar cells and their formation mechanisms. Experimental results show a significant reduction in defect concentrations after resting, and analysis using density functional theory and reaction thermodynamics reveals related mechanisms.

ADVANCED ENERGY MATERIALS (2021)

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Review Chemistry, Physical

Structural Stability of Formamidinium- and Cesium-Based Halide Perovskites

Yu An et al.

Summary: Recent research has shown that state-of-the-art organic-inorganic hybrid perovskite solar cells have achieved a certified power conversion efficiency of over 25%, indicating potential for commercialization. However, certain formamidinium- and cesium-based halide perovskites exhibit limited phase stability of their photoactive perovskite phases at room temperature, making them prone to spontaneous transformation into photoinactive phases.

ACS ENERGY LETTERS (2021)

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Review Nanoscience & Nanotechnology

Polarons in materials

Cesare Franchini et al.

Summary: Polarons, arising from the interaction of electrons with lattice vibrations, strongly influence materials properties. This Review provides a map of the theoretical models and experimental techniques used to study polarons in materials, presenting paradigmatic examples of different types of polarons and polaron-driven phenomena.

NATURE REVIEWS MATERIALS (2021)

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Review Chemistry, Physical

Nonhalide Materials for Efficient and Stable Perovskite Solar Cells

Jiangzhao Chen et al.

Summary: The review discusses the use of various nonhalide materials in perovskite solar cells and explores the impact of anions and cations on the photovoltaic performance. It emphasizes the importance of synergistic and rational engineering of nonhalide materials to enhance both power conversion efficiency and stability of the cells.

SMALL METHODS (2021)

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Article Chemistry, Multidisciplinary

Benzylammonium-Mediated Formamidinium Lead Iodide Perovskite Phase Stabilization for Photovoltaics

Anwar Q. Alanazi et al.

Summary: This research focuses on the use of benzylammonium iodide to achieve a stable formamidinium lead iodide perovskite phase, with the microscopic structure elucidated using solid-state NMR spectroscopy and X-ray scattering measurements. Perovskite solar cells based on the FAPbI(3)(BzI)(0.25) composition achieve power conversion efficiencies exceeding 20%, with enhanced shelf-life and operational stability maintained after one year at ambient conditions, retaining 80% of the performance.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Passivation of the Buried Interface via Preferential Crystallization of 2D Perovskite on Metal Oxide Transport Layers

Bin Chen et al.

Summary: By utilizing 2D perovskite post-treatments and passivation layers with organic cations, significant enhancements in performance of perovskite solar cells are observed, including increased open-circuit voltage and reduced surface recombination velocity.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Spontaneous Formation of Upper Gradient 2D Structure for Efficient and Stable Quasi-2D Perovskites

Dengxue Li et al.

Summary: By incorporating hydrophobic 4TFBZA into MAPbI(3), highly efficient and stable quasi-2D hybrid perovskite solar cells have been successfully demonstrated. The structure can effectively passivate trap states, restrain ion motion, suppress perovskite decomposition, and improve both thermal and moisture stability.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Memory Seeds Enable High Structural Phase Purity in 2D Perovskite Films for High-Efficiency Devices

Siraj Sidhik et al.

Summary: A simple and scalable phase-selective method was reported to fabricate 2D perovskite thin films with homogenous layer thickness, enabling the fabrication of efficient photovoltaic devices. The method involves dissolution of single-crystalline powders in desired solvents to produce thin films with uniform perovskite layer thicknesses. Photovoltaic devices fabricated using such films demonstrated high efficiency and stability.

ADVANCED MATERIALS (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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Review Optics

Prospects for metal halide perovskite-based tandem solar cells

Rui Wang et al.

Summary: Metal halide perovskite photovoltaics have made significant progress in the past decade, particularly in increasing the efficiency of single-junction perovskite solar cells from 3.8% to 25.5%. The broad bandgap tunability of perovskites can potentially overcome the efficiency limits of traditional solar cells, and the development of tandem solar cells pairing perovskite with other mature photovoltaic technologies shows promising prospects.

NATURE PHOTONICS (2021)

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Article Chemistry, Physical

Cyclohexylammonium-Based 2D/3D Perovskite Heterojunction with Funnel-Like Energy Band Alignment for Efficient Solar Cells (23.91%)

Seonghwa Jeong et al.

Summary: Insufficient charge extraction at the interfaces between light-absorbing perovskites and charge transporting layers can be addressed by introducing novel 2D layered perovskites, forming a 2D/3D perovskite heterojunction to improve hole extraction efficiency and reduce interface resistance, resulting in higher power conversion efficiency for perovskite solar cells.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Perovskitoid-Templated Formation of a 1D@3D Perovskite Structure toward Highly Efficient and Stable Perovskite Solar Cells

Tengfei Kong et al.

Summary: Using low dimensional perovskite is a promising strategy to improve the stability and efficiency of PSCs, achieving highly efficient and stable devices with good reproducibility. The 1D@3D PSC demonstrated high conversion efficiency and maintained high performance under different conditions in the experiment.

ADVANCED ENERGY MATERIALS (2021)

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Review Chemistry, Physical

Pseudo-Halide Perovskite Solar Cells

Pei-Ying Lin et al.

Summary: Perovskite solar cells have achieved high power conversion efficiency, but the intrinsic instability of perovskite materials remains a key issue. Studies have shown that mixed-halide perovskites and other negative monovalent ions can improve stability. This review presents the evolution and applications of pseudo-halide perovskite solar cells.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Thermal Management Enables More Efficient and Stable Perovskite Solar Cells

Fengtao Pei et al.

Summary: Under thermal stress, the introduction of silicon dioxide particles can enhance the long-term stability and power conversion efficiency of perovskite solar cells, especially achieving significant improvement in a thermally stable composition.

ACS ENERGY LETTERS (2021)

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Editorial Material Chemistry, Physical

Can We Find the Perfect A-Cations for Halide Perovskites?

Song Jin

ACS ENERGY LETTERS (2021)

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Review Chemistry, Physical

The role of halide oxidation in perovskite halide phase separation

Ross A. Kerner et al.

Summary: Halide perovskites exhibit non-equilibrium demixing due to halide oxidation, with the most easily oxidized species dictating segregation direction. Collaboration between material engineers and inorganic chemists is crucial to overcome these instabilities and manipulate disorder in the coordination environment.

JOULE (2021)

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Review Materials Science, Multidisciplinary

Mechanics-coupled stability of metal-halide perovskites

Qing Tu et al.

Summary: Metal-halide perovskites (MHPs) have great potential in optoelectronic and semiconductor devices, but they are prone to lattice distortion, severe degradation, and failure under mechanical stress. Understanding the mechanics-coupled stability issues is crucial for the durability and commercial viability of MHP-based devices. By reviewing the impact of mechanical stress on MHP devices, insights into mitigating these stability issues can be gained.

MATTER (2021)

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Article Chemistry, Multidisciplinary

Two birds with one stone: dual grain-boundary and interface passivation enables >22% efficient inverted methylammonium-free perovskite solar cells

Saba Gharibzadeh et al.

Summary: This study successfully enhanced the efficiency and stability of inverted p-i-n structured perovskite solar cells using a dual passivation strategy, achieving high power conversion efficiency and good stability.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Materials Science, Multidisciplinary

Unraveling the surface state of photovoltaic perovskite thin film

Rui Wang et al.

Summary: Efficient perovskite optoelectronic devices utilize effective surface passivation strategies to regulate device performance, with recent studies showing that surface states play a crucial role. In mixed-cation perovskite films, a nonuniform distribution of cations leads to unique surface defect energetics, with FA cations near the top and MA cations near the bottom. By studying the surface defects, it was found that antisite FA(I) acts as a dominant deep trap, resulting in a low surface recombination velocity of 20 cm/s in FA-based perovskite photovoltaic devices.

MATTER (2021)

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Article Chemistry, Multidisciplinary

Revealing defective nanostructured surfaces and their impact on the intrinsic stability of hybrid perovskites

Yuze Lin et al.

Summary: By mechanically polishing to remove the defective surface layers in polycrystalline films, the stability of perovskite films is significantly enhanced, allowing them to maintain high efficiency under continuous illumination and high temperature conditions.

ENERGY & ENVIRONMENTAL SCIENCE (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 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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Article Chemistry, Multidisciplinary

Steric Impediment of Ion Migration Contributes to Improved Operational Stability of Perovskite Solar Cells

Shaun Tan et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High-Performance and Stable Perovskite Solar Cells

Yuqian Yang et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Steric Mixed-Cation 2D Perovskite as a Methylammonium Locker to Stabilize MAPbI3

Xingtao Wang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Physical

Inducing Charge Separation in Solid-State Two-Dimensional Hybrid Perovskites through the Incorporation of Organic Charge-Transfer Complexes

Maria C. Gelvez-Rueda et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Multidisciplinary Sciences

Strain engineering and epitaxial stabilization of halide perovskites

Yimu Chen et al.

NATURE (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

Triple-halide wide-band gap perovskites with suppressed phase segregation for efficient tandems

Jixian Xu et al.

SCIENCE (2020)

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Article Chemistry, Physical

Coordination Engineering of Single-Crystal Precursor for Phase Control in Ruddlesden-Popper Perovskite Solar Cells

Yuan Qin et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

High Phase Stability in CsPbI3 Enabled by Pb-I Octahedra Anchors for Efficient Inorganic Perovskite Photovoltaics

Yong Wang et al.

ADVANCED MATERIALS (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 Multidisciplinary Sciences

Efficient, stable silicon tandem cells enabled by anion-engineered wide-bandgap perovskites

Daehan Kim et al.

SCIENCE (2020)

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Article Multidisciplinary Sciences

Regulating strain in perovskite thin films through charge-transport layers

Ding-Jiang Xue et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Spontaneously Self-Assembly of a 2D/3D Heterostructure Enhances the Efficiency and Stability in Printed Perovskite Solar Cells

Jinlong Hu et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Lattice-Matching Structurally-Stable 1D@3D Perovskites toward Highly Efficient and Stable Solar Cells

Peng Liu et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Ion Migration-Induced Amorphization and Phase Segregation as a Degradation Mechanism in Planar Perovskite Solar Cells

Diego Di Girolamo 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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Review Chemistry, Physical

Stabilization of Black Perovskite Phase in FAPbI3 and CsPbI3

Sofia Masi 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

Perovskite Films with Reduced Interfacial Strains via a Molecular-Level Flexible Interlayer for Photovoltaic Application

Cong-Cong Zhang et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Physical

Suppressing Cation Migration in Triple-Cation Lead Halide Perovskites

Ilia M. Pavlovetc et al.

ACS ENERGY LETTERS (2020)

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Article Chemistry, Physical

Reduced Self-Doping of Perovskites Induced by Short Annealing for Efficient Solar Modules

Yehao Deng et al.

JOULE (2020)

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Article Chemistry, Physical

Self-Elimination of Intrinsic Defects Improves the Low-Temperature Performance of Perovskite Photovoltaics

Yihua Chen et al.

JOULE (2020)

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Article Nanoscience & Nanotechnology

Understanding the Role of Ion Migration in the Operation of Perovskite Light-Emitting Diodes by Transient Measurements

Qi Dong et al.

ACS APPLIED MATERIALS & INTERFACES (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

Tunable exciton binding energy in 2D hybrid layered perovskites through donor-acceptor interactions within the organic layer

James Passarelli et al.

NATURE CHEMISTRY (2020)

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Article Multidisciplinary Sciences

A piperidinium salt stabilizes efficient metal-halide perovskite solar cells

Yen-Hung Lin et al.

SCIENCE (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, Physical

Water-Assisted Crystal Growth in Quasi-2D Perovskites with Enhanced Charge Transport and Photovoltaic Performance

Xing Li et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Multidisciplinary Sciences

Vapor-assisted deposition of highly efficient, stable black-phase FAPbI3 perovskite solar cells

Haizhou Lu et al.

SCIENCE (2020)

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Article Multidisciplinary Sciences

Impact of strain relaxation on performance of α-formamidinium lead iodide perovskite solar cells

Gwisu Kim et al.

SCIENCE (2020)

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Article Chemistry, Physical

Molecular Engineering of Organic Spacer Cations for Efficient and Stable Formamidinium Perovskite Solar Cell

Sungwon Song et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Thermally Stable Passivation toward High Efficiency Inverted Perovskite Solar Cells

Robert D. J. Oliver et al.

ACS ENERGY LETTERS (2020)

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Article Chemistry, Physical

Identifying the Soft Nature of Defective Perovskite Surface Layer and Its Removal Using a Facile Mechanical Approach

Shangshang Chen et al.

JOULE (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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Article Chemistry, Multidisciplinary

An in situ cross-linked 1D/3D perovskite heterostructure improves the stability of hybrid perovskite solar cells for over 3000 h operation

Ning Yang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Materials Science, Multidisciplinary

Suppressed Halide Ion Migration in 2D Lead Halide Perovskites

Junsang Cho et al.

ACS MATERIALS LETTERS (2020)

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Review Chemistry, Multidisciplinary

Two-Dimensional Halide Perovskites in Solar Cells: 2D or not 2D?

Carmen Ortiz-Cervantes et al.

CHEMSUSCHEM (2019)

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Article Chemistry, Multidisciplinary

Enhanced Charge Transport in 2D Perovskites via Fluorination of Organic Cation

Fei Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Multidisciplinary Sciences

Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites

Juan-Pablo Correa-Baena et al.

SCIENCE (2019)

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Article Multidisciplinary Sciences

Tailoring vertical phase distribution of quasi-two-dimensional perovskite films via surface modification of hole-transporting layer

Tiefeng Liu et al.

NATURE COMMUNICATIONS (2019)

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Article Multidisciplinary Sciences

Strain engineering in perovskite solar cells and its impacts on carrier dynamics

Cheng Zhu et al.

NATURE COMMUNICATIONS (2019)

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Article Multidisciplinary Sciences

Synthetic control over orientational degeneracy of spacer cations enhances solar cell efficiency in two-dimensional perovskites

Jun Hu et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Physical

High-Performance Perovskite Solar Cells with Enhanced Environmental Stability Based on a (p-FC6H4C2H4NH3)2[PbI4] Capping Layer

Qin Zhou et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Tailoring the Functionality of Organic Spacer Cations for Efficient and Stable Quasi-2D Perovskite Solar Cells

Weifei Fu et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Efficient and Stable CsPbI3 Solar Cells via Regulating Lattice Distortion with Surface Organic Terminal Groups

Tianhao Wu et al.

ADVANCED 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

Record Open-Circuit Voltage Wide-Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure

Saba Gharibzadeh et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

Triggering the Passivation Effect of Potassium Doping in Mixed-Cation Mixed-Halide Perovskite by Light Illumination

Fei Zheng et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Nanoscience & Nanotechnology

Verification and mitigation of ion migration in perovskite solar cells

Jin-Wook Lee et al.

APL MATERIALS (2019)

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Article Chemistry, Physical

Intralayer A-Site Compositional Engineering of Ruddlesden-Popper Perovskites for Thermostable and Efficient Solar Cells

Youyu Jiang et al.

ACS ENERGY LETTERS (2019)

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Article Energy & Fuels

Cation and anion immobilization through chemical bonding enhancement with fluorides for stable halide perovskite solar cells

Nengxu Li et al.

NATURE ENERGY (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

Atomic-level passivation mechanism of ammonium salts enabling highly efficient perovskite solar cells

Essa A. Alharbi et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Physical

Suppressed Ion Migration in Reduced-Dimensional Perovskites Improves Operating Stability

Ziru Huang et al.

ACS ENERGY LETTERS (2019)

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Article Chemistry, Physical

Improved Environmental Stability and Solar Cell Efficiency of (MA,FA)PbI3 Perovskite Using a Wide-Band-Gap 1D Thiazolium Lead Iodide Capping Layer Strategy

Lili Gao et al.

ACS ENERGY LETTERS (2019)

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Article Multidisciplinary Sciences

Ultrahydrophobic 3D/2D fluoroarene bilayer-based water-resistant perovskite solar cells with efficiencies exceeding 22%

Yuhang Liu et al.

SCIENCE ADVANCES (2019)

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Article Nanoscience & Nanotechnology

Relationship between Lattice Strain and Efficiency for Sn-Perovskite Solar Cells

Kohei Nishimura et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Efficient and Stable Inverted Perovskite Solar Cells Incorporating Secondary Amines

Hao Chen et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Multidisciplinary

Charge-Carrier Recombination in Halide Perovskites

Dane W. deQuilettes et al.

CHEMICAL REVIEWS (2019)

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Article Chemistry, Multidisciplinary

Energetics, Structures, and Phase Transitions of Cubic and Orthorhombic Cesium Lead Iodide (CsPbI3) Polymorphs

Bin Wang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (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

Ruddlesden-Popper 2D Component to Stabilize γ-CsPbI3 Perovskite Phase for Stable and Efficient Photovoltaics

Kang Wang et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

A Novel Anion Doping for Stable CsPbI2Br Perovskite Solar Cells with an Efficiency of 15.56% and an Open Circuit Voltage of 1.30 V

Huan Zhao et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Tuning Hot Carrier Cooling Dynamics by Dielectric Confinement in Two-Dimensional Hybrid Perovskite Crystals

Jun Yin et al.

ACS NANO (2019)

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Article Chemistry, Multidisciplinary

Interfacial Residual Stress Relaxation in Perovskite Solar Cells with Improved Stability

Hao Wang et al.

ADVANCED MATERIALS (2019)

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Article Multidisciplinary Sciences

Efficient, stable solar cells by using inherent bandgap of α-phase formamidinium lead iodide

Hanul Min et al.

SCIENCE (2019)

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Article Chemistry, Physical

Optimal Interfacial Engineering with Different Length of Alkylammonium Halide for Efficient and Stable Perovskite Solar Cells

Hyeonwoo Kim et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Compositional Engineering for Thermally Stable, Highly Efficient Perovskite Solar Cells Exceeding 20% Power Conversion Efficiency with 85 °C/85% 1000 h Stability

Taisuke Matsui et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Multidisciplinary

Quantum and Dielectric Confinement Effects in Lower-Dimensional Hybrid Perovskite Semiconductors

Claudine Katan et al.

CHEMICAL REVIEWS (2019)

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Review Chemistry, Multidisciplinary

Understanding Degradation Mechanisms and Improving Stability of Perovskite Photovoltaics

Caleb C. Boyd et al.

CHEMICAL REVIEWS (2019)

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Article Chemistry, Multidisciplinary

Unraveling the Impact of Halide Mixing on Perovskite Stability

Jeremy Hieulle et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Multidisciplinary Sciences

A Eu3+-Eu2+ ion redox shuttle imparts operational durability to Pb-I perovskite solar cells

Ligang Wang et al.

SCIENCE (2019)

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Article Chemistry, Physical

Compositional and Solvent Engineering in Dion-Jacobson 2D Perovskites Boosts Solar Cell Efficiency and Stability

Weijun Ke et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

Self-Assembled 2D Perovskite Layers for Efficient Printable Solar Cells

Chuantian Zuo et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Chemistry, Physical

Effect of High Dipole Moment Cation on Layered 2D Organic-Inorganic Halide Perovskite Solar Cells

Shunquan Tan et al.

ADVANCED ENERGY MATERIALS (2019)

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Review Nanoscience & Nanotechnology

Dimensional tailoring of hybrid perovskites for photovoltaics

Giulia Grancini et al.

NATURE REVIEWS MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Boosting Photovoltaic Performance for Lead Halide Perovskites Solar Cells with BF4- Anion Substitutions

Jie Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Lattice strain causes non-radiative losses in halide perovskites

Timothy W. Jones et al.

ENERGY & ENVIRONMENTAL SCIENCE (2019)

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Review Chemistry, Multidisciplinary

Imperfections and their passivation in halide perovskite solar cells

Bo Chen et al.

CHEMICAL SOCIETY REVIEWS (2019)

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Article Chemistry, Physical

Multi-cation Synergy Suppresses Phase Segregation in Mixed-Halide Perovskites

Hoang X. Dang et al.

JOULE (2019)

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Article Chemistry, Physical

Europium-Doped CsPbI2Br for Stable and Highly Efficient Inorganic Perovskite Solar Cells

Wanchun Xiang et al.

JOULE (2019)

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Article Chemistry, Multidisciplinary

Insights into operational stability and processing of halide perovskite active layers

Laura T. Schelhas et al.

ENERGY & ENVIRONMENTAL SCIENCE (2019)

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Article Chemistry, Physical

Uniform Permutation of Quasi-2D Perovskites by Vacuum Poling for Efficient, High-Fill-Factor Solar Cells

Jia Zhang et al.

JOULE (2019)

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Article Chemistry, Physical

Dion-Jacobson Phase 2D Layered Perovskites for Solar Cells with Ultrahigh Stability

Sajjad Ahmad et al.

JOULE (2019)

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Article Chemistry, Physical

Effect of Cation Composition on the Mechanical Stability of Perovskite Solar Cells

Nicholas Rolston et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Unravelling Light-Induced Degradation of Layered Perovskite Crystals and Design of Efficient Encapsulation for Improved Photostability

Hong-Hua Fang et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

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Article Chemistry, Multidisciplinary

In Situ Growth of 2D Perovskite Capping Layer for Stable and Efficient Perovskite Solar Cells

Peng Chen et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Interstitial Occupancy by Extrinsic Alkali Cations in Perovskites and Its Impact on Ion Migration

Jie Cao et al.

ADVANCED MATERIALS (2018)

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Review Chemistry, Multidisciplinary

Defects in metal triiodide perovskite materials towards high-performance solar cells: origin, impact, characterization, and engineering

Chenxin Ran et al.

CHEMICAL SOCIETY REVIEWS (2018)

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Article Chemistry, Physical

Methylammonium Cation Dynamics in Methylammonium Lead Halide Perovskites: A Solid-State NMR Perspective

Guy M. Bernard et al.

JOURNAL OF PHYSICAL CHEMISTRY A (2018)

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Article Chemistry, Physical

Additive Selection Strategy for High Performance Perovskite Photovoltaics

Guifang Han et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2018)

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Article Chemistry, Physical

Electrons, Excitons, and Phonons in Two-Dimensional Hybrid Perovskites: Connecting Structural, Optical, and Electronic Properties

Daniel B. Straus et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2018)

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Article Chemistry, Physical

Jahn-Teller Effect on Framework Flexibility of Hybrid Organic-Inorganic Perovskites

Di Gui et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2018)

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Universal Approach toward Hysteresis-Free Perovskite Solar Cell via Defect Engineering.

Dae-Yong Son et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Article Multidisciplinary Sciences

Maximizing and stabilizing luminescence from halide perovskites with potassium passivation

Mojtaba Abdi-Jalebi et al.

NATURE (2018)

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Large tunable photoeffect on ion conduction in halide perovskites and implications for photodecomposition

Gee Yeong Kim et al.

NATURE MATERIALS (2018)

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Enhanced photovoltage for inverted planar heterojunction perovskite solar cells

Deying Luo et al.

SCIENCE (2018)

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Cations substitution tuning phase stability in hybrid perovskite single crystals by strain relaxation

C. Wu et al.

RSC ADVANCES (2018)

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Article Chemistry, Physical

Density of States Broadening in CH3NH3PbI3 Hybrid Perovskites Understood from ab Initio Molecular Dynamics Simulations

Liujiang Zhou et al.

ACS ENERGY LETTERS (2018)

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Cubic or Orthorhombic? Revealing the Crystal Structure of Metastable Black-Phase CsPbl3 by Theory and Experiment

Rebecca J. Sutton et al.

ACS ENERGY LETTERS (2018)

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Article Chemistry, Physical

Suppressed Ion Migration along the In-Plane Direction in Layered Perovskites

Xun Xiao et al.

ACS ENERGY LETTERS (2018)

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Article Energy & Fuels

Suppression of atomic vacancies via incorporation of isovalent small ions to increase the stability of halide perovskite solar cells in ambient air

Makhsud I. Saidaminov et al.

NATURE ENERGY (2018)

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FA(0.88)Cs(0.12)PbI(3-x)(PF6)(x) Interlayer Formed by Ion Exchange Reaction between Perovskite and Hole Transporting Layer for Improving Photovoltaic Performance and Stability

Jiangzhao Chen et al.

ADVANCED MATERIALS (2018)

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Article Chemistry, Physical

Rotational Cation Dynamics in Metal Halide Perovskites: Effect on Phonons and Material Properties

Nathaniel P. Gallop et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2018)

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Article Chemistry, Multidisciplinary

Structural Diversity in White-Light-Emitting Hybrid Lead Bromide Perovskites

Lingling Mao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Article Chemistry, Multidisciplinary

Two-Dimensional Halide Perovskites Incorporating Straight Chain Symmetric Diammonium Ions, (NH3CmH2mNH3)(CH3NH3)(n-1)PbnI3n+1 (m=4-9; n=1-4)

Xiaotong Li et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Article Multidisciplinary Sciences

2D perovskite stabilized phase-pure formamidinium perovskite solar cells

Jin-Wook Lee et al.

NATURE COMMUNICATIONS (2018)

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Article Chemistry, Physical

Engineering Stress in Perovskite Solar Cells to Improve Stability

Nicholas Rolston et al.

ADVANCED ENERGY MATERIALS (2018)

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Editorial Material Chemistry, Physical

Inverted Current-Voltage Hysteresis in Perovskite Solar Cells

Fan Wu et al.

ACS ENERGY LETTERS (2018)

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Cost Analysis of Perovskite Tandem Photovoltaics

Zongqi Li et al.

JOULE (2018)

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Article Chemistry, Physical

Reduced-Dimensional α-CsPbX3 Perovskites for Efficient and Stable Photovoltaics

Yuanzhi Jiang et al.

JOULE (2018)

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Article Chemistry, Physical

Mixed Cation FAxPEA1-xPbI3 with Enhanced Phase and Ambient Stability toward High-Performance Perovskite Solar Cells

Nan Li et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Energy & Fuels

Accelerated degradation of methylammonium lead iodide perovskites induced by exposure to iodine vapour

Shenghao Wang et al.

NATURE ENERGY (2017)

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Article Chemistry, Multidisciplinary

Free Carrier Emergence and Onset of Electron-Phonon Coupling in Methylammonium Lead Halide Perovskite Films

Tufan Ghosh et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Thermodynamic Stability Trend of Cubic Perovskites

Qingde Sun et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Band Gap Tuning via Lattice Contraction and Octahedral Tilting in Perovskite Materials for Photovoltaics

Rohit Prasanna et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Chemistry, Multidisciplinary

Origin of Reversible Photoinduced Phase Separation in Hybrid Perovskites

Connor G. Bischak et al.

NANO LETTERS (2017)

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Iodide management in formamidinium-lead-halide-based perovskite layers for efficient solar cells

Woon Seok Yang et al.

SCIENCE (2017)

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Vertically Oriented 2D Layered Perovskite Solar Cells with Enhanced Efficiency and Good Stability

Xinqian Zhang et al.

SMALL (2017)

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One-Year stable perovskite solar cells by 2D/3D interface engineering

G. Grancini et al.

NATURE COMMUNICATIONS (2017)

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Fast oxygen diffusion and iodide defects mediate oxygen-induced degradation of perovskite solar cells

Nicholas Aristidou et al.

NATURE COMMUNICATIONS (2017)

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Dimensional Engineering of a Graded 3D-2D Halide Perovskite Interface Enables Ultrahigh Voc Enhanced Stability in the p-i-n Photovoltaics

Yang Bai et al.

ADVANCED ENERGY MATERIALS (2017)

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Dielectric Response: Answer to Many Questions in the Methylammonium Lead Halide Solar Cell Absorbers

Irina Anusca et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Nanoscience & Nanotechnology

Unraveling the Light-Induced Degradation Mechanisms of CH3NH3PbI3 Perovskite Films

Norbert H. Nickel et al.

ADVANCED ELECTRONIC MATERIALS (2017)

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Efficient ambient-air-stable solar cells with 2D-3D heterostructured butylammonium-caesium-formamidinium lead halide perovskites

Zhiping Wang et al.

NATURE ENERGY (2017)

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Large polarons in lead halide perovskites

Kiyoshi Miyata et al.

SCIENCE ADVANCES (2017)

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Stabilizing the Ag Electrode and Reducing J-V Hysteresis through Suppression of Iodide Migration in Perovskite Solar Cells

Jiangzhao Chen et al.

ACS APPLIED MATERIALS & INTERFACES (2017)

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Review Nanoscience & Nanotechnology

Progress on Perovskite Materials and Solar Cells with Mixed Cations and Halide Anions

Luis K. Ono et al.

ACS APPLIED MATERIALS & INTERFACES (2017)

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Enhancing Ion Migration in Grain Boundaries of Hybrid Organic-Inorganic Perovskites by Chlorine

Bin Yang et al.

ADVANCED FUNCTIONAL MATERIALS (2017)

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Stabilizing Perovskite Structures by Tuning Tolerance Factor: Formation of Formamidinium and Cesium Lead Iodide Solid-State Alloys

Zhen Li et al.

CHEMISTRY OF MATERIALS (2016)

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Review Chemistry, Multidisciplinary

Ion Migration in Organometal Trihalide Perovskite and Its Impact on Photovoltaic Efficiency and Stability

Yongbo Yuan et al.

ACCOUNTS OF CHEMICAL RESEARCH (2016)

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Phenylalkylamine Passivation of Organolead Halide Perovskites Enabling High-Efficiency and Air-Stable Photovoltaic Cells

Feng Wang et al.

ADVANCED MATERIALS (2016)

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Article Physics, Applied

Mechanisms for light induced degradation in MAPbI3 perovskite thin films and solar cells

Ghada Abdelmageed et al.

APPLIED PHYSICS LETTERS (2016)

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Efficient perovskite solar cells by metal ion doping

Jacob Tse-Wei Wang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

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Grain boundary dominated ion migration in polycrystalline organic-inorganic halide perovskite films

Yuchuan Shao et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

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Cesium-containing triple cation perovskite solar cells: improved stability, reproducibility and high efficiency

Michael Saliba et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

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Oxygen Intercalation Induced by Photocatalysis on the Surface of Hybrid Lead Halide Perovskites

Weiguang Kong et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2016)

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Iodine Migration and Degradation of Perovskite Solar Cells Enhanced by Metallic Electrodes

Cristina Besleaga et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2016)

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In Situ TEM Analysis of Organic-Inorganic Metal-Halide Perovskite Solar Cells under Electrical Bias

Quentin Jeangros et al.

NANO LETTERS (2016)

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Guanidinium: A Route to Enhanced Carrier Lifetime and Open-Circuit Voltage in Hybrid Perovskite Solar Cells

Nicholas De Marco et al.

NANO LETTERS (2016)

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Incorporation of rubidium cations into perovskite solar cells improves photovoltaic performance

Michael Saliba et al.

SCIENCE (2016)

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A mixed-cation lead mixed-halide perovskite absorber for tandem solar cells

David P. McMeekin et al.

SCIENCE (2016)

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On the application of the tolerance factor to inorganic and hybrid halide perovskites: a revised system

W. Travis et al.

CHEMICAL SCIENCE (2016)

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Efficient and stable perovskite solar cells prepared in ambient air irrespective of the humidity

Qidong Tai et al.

NATURE COMMUNICATIONS (2016)

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Ionic Reactivity at Contacts and Aging of Methylammonium Lead Triiodide Perovskite Solar Cells

Jordi Carrillo et al.

ADVANCED ENERGY MATERIALS (2016)

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Improved Phase Stability of Formamidinium Lead Triiodide Perovskite by Strain Relaxation

Xiaojia Zheng et al.

ACS ENERGY LETTERS (2016)

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Defects in perovskite-halides and their effects in solar cells

James M. Ball et al.

NATURE ENERGY (2016)

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Entropy-driven structural transition and kinetic trapping in formamidinium lead iodide perovskite

Tianran Chen et al.

SCIENCE ADVANCES (2016)

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Trap-Assisted Non-Radiative Recombination in Organic-Inorganic Perovskite Solar Cells

Gert-Jan A. H. Wetzelaer et al.

ADVANCED MATERIALS (2015)

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The Significance of Ion Conduction in a Hybrid Organic-Inorganic Lead-Iodide-Based Perovskite Photosensitizer

Tae-Youl Yang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2015)

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Halide-Dependent Electronic Structure of Organolead Perovskite Materials

Andrei Buin et al.

CHEMISTRY OF MATERIALS (2015)

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Reversible Hydration of CH3NH3Pbl3 in Films, Single Crystals, and Solar Cells

Aurelien M. A. Leguy et al.

CHEMISTRY OF MATERIALS (2015)

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Superior Photovoltaic Properties of Lead Halide Perovskites: Insights from First-Principles Theory

Wan-Jian Yin et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2015)

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Stabilization of the Trigonal High-Temperature Phase of Formamidinium Lead Iodide

Andreas Binek et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2015)

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Kinetics of Ion Transport in Perovskite Active Layers and Its Implications for Active Layer Stability

Monojit Bag et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics

Eric T. Hoke et al.

CHEMICAL SCIENCE (2015)

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Ultrasmooth organic-inorganic perovskite thin-film formation and crystallization for efficient planar heterojunction solar cells

Wei Zhang et al.

NATURE COMMUNICATIONS (2015)

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Ionic transport in hybrid lead iodide perovskite solar cells

Christopher Eames et al.

NATURE COMMUNICATIONS (2015)

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Formamidinium and Cesium Hybridization for Photo- and Moisture-Stable Perovskite Solar Cell

Jin-Wook Lee et al.

ADVANCED ENERGY MATERIALS (2015)

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Correction Chemistry, Physical

Giant switchable photovoltaic effect in organometal trihalide perovskite devices (vol 14, pg 193, 2014)

Zhengguo Xiao et al.

NATURE MATERIALS (2015)

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Giant switchable photovoltaic effect in organometal trihalide perovskite devices

Zhengguo Xiao et al.

NATURE MATERIALS (2015)

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High Charge Carrier Mobilities and Lifetimes in Organolead Trihalide Perovskites

Christian Wehrenfennig et al.

ADVANCED MATERIALS (2014)

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Unique Properties of Halide Perovskites as Possible Origins of the Superior Solar Cell Performance

Wan-Jian Yin et al.

ADVANCED MATERIALS (2014)

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Thermal Behavior of Methylammonium Lead-Trihalide Perovskite Photovoltaic Light Harvesters

Amalie Dualeh et al.

CHEMISTRY OF MATERIALS (2014)

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Role of Dispersive Interactions in Determining Structural Properties of Organic-Inorganic Halide Perovskites: Insights from First-Principles Calculations

David A. Egger et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2014)

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Atomistic Origins of High-Performance in Hybrid Halide Perovskite Solar Cells

Jarvist M. Frost et al.

NANO LETTERS (2014)

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Review Optics

The emergence of perovskite solar cells

Martin A. Green et al.

NATURE PHOTONICS (2014)

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Steric engineering of metal-halide perovskites with tunable optical band gaps

Marina R. Filip et al.

NATURE COMMUNICATIONS (2014)

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Electron-Hole Diffusion Lengths Exceeding 1 Micrometer in an Organometal Trihalide Perovskite Absorber

Samuel D. Stranks et al.

SCIENCE (2013)

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Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells

Akihiro Kojima et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2009)

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Article Materials Science, Multidisciplinary

Electronic structures of lead iodide based low-dimensional crystals

T Umebayashi et al.

PHYSICAL REVIEW B (2003)

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Article Chemistry, Inorganic & Nuclear

[(CH3)3NCH2CH2NH3]SnI4:: A layered perovskite with quaternary/primary ammonium dications and short interlayer iodine-iodine contacts

ZT Xu et al.

INORGANIC CHEMISTRY (2003)

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[PbX6]4- modulation and organic spacer construction for stable perovskite solar cells

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