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Advancing Efficiency and Stability of Lead, Tin, and Lead/Tin Perovskite Solar Cells: Strategies and Perspectives

SOLAR RRL (2023)

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Incorporating Potassium Citrate to Improve the Performance of Tin-Lead Perovskite Solar Cells

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FA/Cs-based mixed Pb-Sn perovskite solar cells: A review of recent advances in stability and efficiency

Atefeh Yadegarifard et al.

Summary: Perovskite solar cells (PSCs) have attracted widespread attention for their impressive optoelectronic properties, high efficiency, and low-cost manufacturing processes. However, the use of methylammonium (MA) in PSCs may result in poor thermal and atmospheric stability, limiting their potential for commercialization. This review focuses on mixed Pb-Sn perovskite solar cells that use formamidinium (FA) or mixed cations of FA and cesium (Cs) without MA, which show improved stability and suitable bandgap energies for solar cell applications.

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Reduced 0.418 V VOC-deficit of 1.73 eV wide-bandgap perovskite solar cells assisted by dual chlorides for efficient all-perovskite tandems

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Summary: This study presents a synergistic strategy using lead chloride (PbCl2) and phenethylammonium chloride (PMACl) to introduce chlorine (Cl) into the material and form a two-dimensional (2D) phase, reducing the open-circuit voltage (V-OC) deficit and improving stability and efficiency.

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An Overview of Lead, Tin, and Mixed Tin-Lead-Based ABI3 Perovskite Solar Cells

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ADVANCED ENERGY AND SUSTAINABILITY RESEARCH (2023)

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Discovering layered lead-free perovskite solar absorbers via cation transmutation

Ming Chen et al.

Summary: To explore stable lead-free perovskites for solar cell applications, a series of Dion-Jacobson (DJ) double perovskites with the formula BDA(2)M(I)M(III)X(8) were proposed. First-principles calculations demonstrated the thermal stabilities of all the proposed BDA(2)M(I)M(III)X(8) perovskites. Three candidates with suitable solar band gaps and superior optoelectronic properties were selected for photovoltaic application. The study provides a new concept for designing lead-free perovskites for efficient solar cells.

NANOSCALE HORIZONS (2023)

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Article Multidisciplinary Sciences

Regulating surface potential maximizes voltage in all-perovskite tandems

Hao Chen et al.

Summary: The open-circuit voltage (V-OC) deficit in perovskite solar cells is attributed to the poor alignment of surface potential and energetic levels. Introducing diammonium molecules for surface treatment can enhance the quasi-Fermi-level splitting and achieve high efficiency in perovskite solar cells.

NATURE (2023)

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Tin Halide Perovskites: From Fundamental Properties to Solar Cells

Matteo Pitaro et al.

Summary: Metal halide perovskites, particularly tin-based compounds, show promise for optoelectronic applications, with lead-based compounds being toxic and harmful to the environment. Although tin-based perovskites offer advantages such as near-optimal bandgap and good charge carrier mobilities, their efficiency is currently limited by low defect tolerance, fast crystallization, and oxidative instability. Efforts are being made to improve tin-based perovskite solar cells, focusing on strategies to enhance device performances and address existing challenges in a concerted manner.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Gradient Doping in Sn-Pb Perovskites by Barium Ions for Efficient Single-Junction and Tandem Solar Cells

Zhenhua Yu et al.

Summary: This study demonstrates the formation of a p-n homojunction in Sn-Pb perovskites by introducing gradient doping with barium ions, which enhances the efficiency of perovskite solar cells.

ADVANCED MATERIALS (2022)

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Monolithic Perovskite-Silicon Tandem Solar Cells: From the Lab to Fab?

Fan Fu et al.

Summary: This review focuses on the scientific and technological challenges of monolithic 2-terminal perovskite-silicon tandem solar cells, including factors limiting power conversion efficiency, pathways to achieve higher efficiency, and stability issues. Key areas of research to bring this technology from the lab to industrial production are highlighted.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Lights and Shadows of DMSO as Solvent for Tin Halide Perovskites

Jorge Pascual et al.

Summary: In 2020, DMSO was identified as an important solvent for the development of tin halide perovskites. Its unique properties have allowed the creation of compact thin-films and integration into solar cells. However, there is a plateau in power conversion efficiency, and the potential limitations of DMSO should be considered.

CHEMISTRY-A EUROPEAN JOURNAL (2022)

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Article Multidisciplinary Sciences

Centimetre-scale perovskite solar cells with fill factors of more than 86 per cent

Jun Peng et al.

Summary: Perovskite solar cells are at the forefront of emerging photovoltaic technologies due to their rapid development in efficiency and stability. This study introduces a reverse-doping process to fabricate nitrogen-doped titanium oxide electron transport layers, which significantly improves the charge transport performance and fill factor of the cells.

NATURE (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

Conformal quantum dot-SnO2 layers as electron transporters for efficient perovskite solar cells

Minjin Kim et al.

Summary: The study replaced the commonly used mesoporous titanium dioxide electron transport layer with a thin layer of polyacrylic acid-stabilized tin(IV) oxide quantum dots, which improved the efficiency and stability of perovskite solar cells and enabled successful scaling up of PSCs production.

SCIENCE (2022)

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Over 8% efficient CsSnI3-based mesoporous perovskite solar cells enabled by two-step thermal annealing and surface cationic coordination dual treatment

Huaxia Ban et al.

Summary: Inorganic tin halide perovskite compounds, such as CsSnI3, have attracted attention due to their eco-friendly properties. Fabricating high-quality CsSnI3 perovskite films with low defect density is challenging. In this study, a simple yet effective method was proposed to modulate the growth and nucleation of CsSnI3 crystals to obtain well-crystallized thin films. Introducing 1-(4-carboxyphenyl)-2-thiourea significantly decreased the defect density. CsSnI3 perovskite solar cells achieved a power conversion efficiency of 8.03% with high reproducibility using a printable mesoporous framework.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Physical

Lead-Free Perovskite Solar Cells with Over 10% Efficiency and Size 1 cm2 Enabled by Solvent-Crystallization Regulation in a Two-Step Deposition Method

Xiao Liu et al.

Summary: Researchers solved the efficiency decrease issue of tin perovskite solar cells with increased cell area by using a rarely used two-step deposition method that increased steric hindrance to hydroxyl in solvent molecules for dense and homogeneous film formation. The films fabricated with the two-step method exhibited higher uniformity in both horizontal and longitudinal directions, resulting in achieving over 10% power conversion efficiency for TPSCs. The cells maintained over 92% of its initial efficiency after operation under 1 sun illumination for 1000 hours.

ACS ENERGY LETTERS (2022)

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Article Chemistry, Physical

Tin-Lead Perovskite Solar Cells Fabricated on Hole Selective Monolayers

Gaurav Kapil et al.

Summary: According to research, the power conversion efficiency of tin-lead perovskite solar cells can be improved by using specific hole transport layers. By using substances such as 2PACz and MPA, comparable performance to traditional PEDOT:PSS can be achieved. Experimental results showed that coabsorption of 2PACz and MPA on the transparent conducting oxide layer can further enhance the performance of tin-lead perovskite solar cells.

ACS ENERGY LETTERS (2022)

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Article Chemistry, Multidisciplinary

A Selective Targeting Anchor Strategy Affords Efficient and Stable Ideal-Bandgap Perovskite Solar Cells

Zheng Liang et al.

Summary: This study investigated mixed lead-tin perovskite solar cells as a candidate for achieving higher power conversion efficiency. A selective targeting anchor passivation strategy was established to enhance the open-circuit voltage and conversion efficiency.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Reducing Energy Disorder for Efficient and Stable Sn-Pb Alloyed Perovskite Solar Cells

Cheng Peng et al.

Summary: This study found that combining 1-bromo-4-(methylsulfinyl) benzene (BBMS) and SnF2 can significantly reduce the energy disorder in Sn-Pb alloyed perovskites and inhibit the oxidation of Sn2+. The solar cells treated with BBMS and SnF2 showed high efficiency and outstanding stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Multidisciplinary

Temperature-Reliable Low-Dimensional Perovskites Passivated Black-Phase CsPbI3 toward Stable and Efficient Photovoltaics

Shan Tan et al.

Summary: The study demonstrates that phenyltrimethylammonium iodide (PTAI) and its corresponding low-dimensional perovskites exhibit excellent thermal stability and effectively suppress non-radiative recombination of CsPbI3, resulting in improved efficiency and stability of PSCs.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Physical

Ag-Bi Charge Redistribution Creates Deep Traps in Defective Cs2AgBiBr6: Machine Learning Analysis of Density Functional Theory

Dongyu Liu et al.

Summary: Lead-free double perovskites have low efficiencies due to defects that act as charge recombination centers. By applying unsupervised machine learning, it was found that Br vacancies create deep hole traps, and doping with In can maintain shallow traps.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (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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Review Multidisciplinary Sciences

Rethinking the A cation in halide perovskites

Jin-Wook Lee et al.

Summary: The A cation in ABX(3) organic-inorganic lead halide perovskites (OLHPs) was conventionally believed to hardly affect their optoelectronic properties. However, recent developments have revealed the critical role of the A cation in regulating the physicochemical and optoelectronic properties of OLHPs.

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 Chemistry, Multidisciplinary

High Open Circuit Voltage Over 1 V Achieved in Tin-Based Perovskite Solar Cells with a 2D/3D Vertical Heterojunction

Tianyue Wang et al.

Summary: Researchers have demonstrated a stacked quasi-2D-3D double-layered structure in perovskite films prepared using vacuum treatment. The introduction of guanidinium thiocyanate additive improves the crystallinity and carrier mobility, leading to high efficiency lead-free perovskite solar cells.

ADVANCED SCIENCE (2022)

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Article Chemistry, Physical

Smooth and Compact FASnI3 Films for Lead-Free Perovskite Solar Cells with over 14% Efficiency

Zihao Zhu et al.

Summary: By introducing trimethylthiourea (3T) as a ligand during spin coating, the quality of FASnI3 films was improved significantly, leading to enhanced carrier lifetime and open-circuit voltage, approaching those of lead halide perovskites. These findings are important for film deposition control and future developments of tin halide perovskites.

ACS ENERGY LETTERS (2022)

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Article Chemistry, Physical

Tin perovskite solar cells with >1,300 h of operational stability in N2 through a synergistic chemical engineering approach

Jesus Sanchez-Diaz et al.

Summary: A chemical engineering approach using Dipropylammonium iodide and sodium borohydride as additives is reported to effectively prevent the premature degradation of Sn-HPs. The method allows for obtaining high efficiency and enhanced stability, with 96% of the initial PCE maintained after 1300 hours in N-2.

JOULE (2022)

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Article Energy & Fuels

Black-Yellow Bandgap Trade-Off During Thermal Stability Tests in Low-Temperature Eu-Doped CsPbI3

Salvatore Valastro et al.

Summary: The black gamma-phase of CsPbI3 can be transformed into the yellow delta-phase by thermal heating. Researchers used spectroscopic ellipsometry and critical points analysis to monitor the transformation process and modeled the consumption and growth of the phases. They found that europium can extend the durability of the black gamma-phase.

SOLAR RRL (2022)

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Article Chemistry, Physical

A Comparison of Different Textured and Non-Textured Anti-Reflective Coatings for Planar Monolithic Silicon-Perovskite Tandem Solar Cells

Michael Spence et al.

Summary: Multijunction solar cells have the potential to exceed the efficiency limit of single-junction devices. To reduce optical reflection losses in silicon-perovskite tandem devices, textured anti-reflective coatings (ARCS) such as textured polydimethylsiloxane (PDMS) can be used. This study found that PDMS film can significantly reduce the reflectance of non-textured silicon-perovskite tandem cells and increase the integrated J(SC) by 3-5% in each sub-cell.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Strain-Induced Band-Edge Modulation in Lead-Free Antimony-Based Double Perovskite for Visible-Light Absorption

Anupriya Singh et al.

Summary: In this study, we synthesized Sb-based single crystals of Cs2AgSbCl6 with a low bandgap of approximately 1.82 eV and investigated the effect of strain on their optical properties. Interestingly, the polycrystalline ground powder and heated single crystals showed a larger bandgap of about 2.55 eV. The reduction in bandgap is attributed to the presence of strain in the single crystals, which was confirmed by X-ray diffraction and Raman spectroscopy and supported by density functional theory calculations. Strain engineering for bandgap reduction could be crucial for the development of environmentally friendly solar cells with low bandgaps.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

New Pb-Free Stable Sn-Ge Solid Solution Halide Perovskites Fabricated by Spray Deposition

Adi Kama et al.

Summary: In this study, the substitution of lead ions in halide perovskites with non-toxic elements such as Sn and Ge was investigated. By using a multihead spray deposition setup, homogeneous CsSnxGe1-xBr3 films were successfully formed with high x values. The optical band gap of the films can be tuned between 1.8 and 2.5 eV, and the structural stability of the perovskite increases with increasing concentration of Ge.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Alkyl Diamine-Induced (100)-Preferred Crystal Orientation for Efficient Pb-Sn Perovskite Solar Cells

Jiangong Li et al.

Summary: The researchers developed a PDABr additive to effectively control the crystal orientation of Pb-Sn perovskite, leading to improved optoelectronic performance. PDABr acts as a surface template to guide the perovskite growth along the (100) orientation, while bromide ions aid in increasing the grain size and reducing grain boundaries.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Multidisciplinary

F-Type Pseudo-Halide Anions for High-Efficiency and Stable Wide-Band-Gap Inverted Perovskite Solar Cells with Fill Factor Exceeding 84%

Junlei Tao et al.

Summary: The use of F-type pseudo-halogen additives in wide-band-gap perovskite films improves grain size, crystal quality, and reduces defect density. The substitution of F-type pseudo-halogen anions for I-/Br- releases stress distortion and effectively suppresses carrier recombination, reduces charge transfer loss, and inhibits phase separation. These findings enhance the power conversion efficiency and stability of wide-band-gap perovskite solar cells.

ACS NANO (2022)

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Article Chemistry, Multidisciplinary

Efficient and Stable Tin Perovskite Solar Cells by Pyridine-Functionalized Fullerene with Reduced Interfacial Energy Loss

Bo Li et al.

Summary: A multifunctional interface manipulation strategy is developed to improve the performance and stability of tin perovskite solar cells (PSCs) by introducing a pyridine-functionalized fullerene derivative. The resulting devices achieve the highest power conversion efficiency (PCE) of 14.14% and maintain over 95% of their initial PCE after continuous one-sun illumination for 1000 hours.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Polishing the Lead-Poor Surface for Efficient Inverted CsPbI3 Perovskite Solar Cells

Sheng Fu et al.

Summary: Triiodide cesium lead perovskite has the potential to be used in efficient and stable photovoltaics. However, the development of inverted devices and their compatibility with tandem devices is still a challenge. This study finds that the surface components of CsPbI3 are lead-poor and the traps present are p-type with localized states. This leads to poor electron transfer and nonradiative recombination, affecting the performance of the photovoltaics. Polishing treatment with 1,4-butanediamine can eliminate these traps and improve the efficiency of the CsPbI3 photovoltaics.

ADVANCED MATERIALS (2022)

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Article Chemistry, Physical

Dual-site passivation of tin-related defects enabling efficient lead-free tin perovskite solar cells

Yiting Jiang et al.

Summary: In this study, a dual-site passivation strategy using ethylenediammonium halide salts as additives is proposed to repair defects in lead-free Sn perovskite solar cells. The modified devices exhibit improved performance and operational stability.

NANO ENERGY (2022)

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Article Chemistry, Physical

Additive Engineering with Triple Cations and Bifunctional Sulfamic Acid for Tin Perovskite Solar Cells Attaining a PCE Value of 12.5% without Hysteresis

Chun-Hsiao Kuan et al.

Summary: In this study, Imidazolium and cesium were used as A-site cationic additives, and sulfamic acid was used as a bifunctional additive to improve the triiodide tin perovskite solar cell. It was found that Imidazolium and cesium can effectively modify crystal defects and stabilize the structure, while sulfamic acid can modify surface defects and facilitate tin atom reduction. Through optimization, the performance of the hybrid device was significantly improved.

ACS ENERGY LETTERS (2022)

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Article Chemistry, Physical

Composition-Property Mapping in Bromide-Containing Tin Perovskite Using High-Purity Starting Materials

Tomoya Nakamura et al.

Summary: A series of ASnI3-xBrx films were systematically fabricated and characterized, resulting in improved efficiency of single-junction solar cells.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Interfacial Embedding for High-Efficiency and Stable Methylammonium-Free Perovskite Solar Cells with Fluoroarene Hydrazine

Dhruba B. Khadka et al.

Summary: This study introduces a new technique of interfacial passivation with pentafluorophenylhydrazine (5F-PHZ) to enhance the performance and stability of perovskite solar cells (PSCs). The surface treatment with 5F-PHZ improves the film chemistry and increases the carrier lifetime, resulting in a higher power conversion efficiency. This approach is effective for both narrow and wide bandgap perovskite systems.

ADVANCED ENERGY MATERIALS (2022)

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Editorial Material Chemistry, Physical

Monolithic Perovskite/Silicon Tandem Solar Cell with 28.7% Efficiency Using Industrial Silicon Bottom Cells

Kari Sveinbjoernsson et al.

Summary: A monolithic two-terminal perovskite/silicon tandem solar cell was fabricated based on an industrial silicon bottom cell with mass-production feasible processes, showing a steady-state power conversion efficiency of 28.7% and an open-circuit voltage of over 1.9 V.

ACS ENERGY LETTERS (2022)

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Article Energy & Fuels

Carrier control in Sn-Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability

Jinhui Tong et al.

Summary: This study demonstrates that the addition of mixed bulky organic cations can improve the structural and optoelectronic properties of Sn-Pb perovskite thin films, resulting in high-efficiency single-junction and all-perovskite tandem solar cells with improved stability.

NATURE ENERGY (2022)

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Article Chemistry, Multidisciplinary

Integrated Ideal-Bandgap Perovskite/Bulk-Heterojunction Solar Cells with Efficiencies > 24%

Xianyong Zhou et al.

Summary: A highly efficient integrated ideal-bandgap perovskite/bulk-heterojunction solar cell (IPBSC) with an inverted architecture is reported. The IPBSC features a near infrared (NIR) polymer DTBTI-based bulk-heterojunction (BHJ) layer atop a modified perovskite film. The IPBSC exhibits cascade-like energy level alignment and efficient passivation effect, resulting in efficient charge transfer and improved near infrared light response. The IPBSC also achieves a record-breaking power conversion efficiency and improved stability compared to control solar cells.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Multidentate Chelation Heals Structural Imperfections for Minimized Recombination Loss in Lead-Free Perovskite Solar Cells

Gengling Liu et al.

Summary: By incorporating 2-Guanidinoacetic acid (GAA), a new biocompatible chelating agent, the structural imperfections of Sn perovskites can be healed, resulting in improved efficiency and lifespan.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (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 Multidisciplinary Sciences

Deterministic fabrication of 3D/2D perovskite bilayer stacks for durable and efficient solar cells

Siraj Sidhik et al.

Summary: Realizing solution-processed heterostructures in halide perovskites is a long-standing challenge due to solvent incompatibilities. However, by utilizing the solvent dielectric constant and Gutmann donor number, it is possible to grow phase-pure two-dimensional (2D) halide perovskite stacks with desired composition, thickness, and bandgap onto 3D perovskites without dissolving the underlying substrate. The thickness dependence of the 2D perovskite layer shows expected trends for different device architectures, indicating the influence of band alignment and carrier transport limits.

SCIENCE (2022)

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Article Energy & Fuels

Analysis of degradation kinetics of halide perovskite solar cells induced by light and heat stress

Dhruba B. Khadka et al.

Summary: In this study, the degradation behavior of perovskite solar cells with different organic and inorganic materials under different temperatures was investigated. The results showed that materials with higher activation energy can enhance the stability of the solar cells.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2022)

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Article Chemistry, Physical

SnOx as Bottom Hole Extraction Layer and Top In Situ Protection Layer Yields over 14% Efficiency in Sn-Based Perovskite Solar Cells

Liang Wang et al.

Summary: This study successfully improved the efficiency of Sn-based perovskite solar cells by in situ preparing ambipolar SnOx and using top SnOx as a modifier and protection layer.

ACS ENERGY LETTERS (2022)

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Article Chemistry, Physical

Carbazole-Based Hole Transport Polymer for Methylammonium-Free Tin-Lead Perovskite Solar Cells with Enhanced Efficiency and Stability

Jiantao Wang et al.

Summary: In this study, researchers successfully used a easily synthesized polymer HTM CzAn to replace PEDOT:PSS as the hole transport material in Sn-Pb PSCs. Through optimization of doping and surface engineering, high quality Sn-Pb PSCs with higher conversion efficiency and stability were fabricated.

ACS ENERGY LETTERS (2022)

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Article Chemistry, Physical

Surface Reconstruction for Tin-Based Perovskite Solar Cells

Hui Li et al.

Summary: A surface-modulation strategy is designed to reconstruct the surface structure of FASnI(3) films, effectively managing the Fermi level and passivating defects, resulting in improved performance of Sn-based perovskite solar cells (PSCs).

ACS ENERGY LETTERS (2022)

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Article Chemistry, Physical

Direct and stable α-phase formation via ionic liquid solvation for formamidinium-based perovskite solar cells

Lingfeng Chao et al.

Summary: This study reports a strategy for directly fabricating stable alpha-phase of FAPbI(3) perovskite by controlling the precursor solution on the molecular level using methylammonium acetate (MAAc) ionic liquid. The results show that the strong interaction between Ac- and Pb2+ enables the relaxation of Pb-I bonds and allows the effective insertion of formamidinium iodide (FAI) into the perovskite framework. The resulting photovoltaic cell exhibits high efficiency and long-term stability.

JOULE (2022)

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Article Energy & Fuels

Formate as Anti-Oxidation Additives for Pb-Free FASnI3 Perovskite Solar Cells

Hyungsu Jang et al.

Summary: Formate treatment enhances the stability and efficiency of Pb-free Sn-based perovskite solar cells by suppressing Sn oxidation and improving film quality.

SOLAR RRL (2022)

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Article Chemistry, Physical

The role of A-site composition in the photostability of tin-lead perovskite solar cells

Luis Huerta Hernandez et al.

Summary: The efficiency of tin-lead perovskite solar cells (TLPSC) has been consistently increasing, but their photostability remains a challenge. This study investigates the influence of methylammonium (MA) and cesium (Cs) on the photostability and performance of TLPSCs. The results show that the addition of MA improves device efficiency but reduces photostability.

SUSTAINABLE ENERGY & FUELS (2022)

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Article Chemistry, Physical

How additives for tin halide perovskites influence the Sn4+ concentration

Syed Joy et al.

Summary: The performance of tin halide perovskite photovoltaics can be improved by reducing the amount of Sn4+ with additives, but there is limited understanding of the mechanism behind the effectiveness of these additives.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Physical

Recent Progress in Ionic Liquids for Stability Engineering of Perovskite Solar Cells

Fei Wang et al.

Summary: Perovskite solar cells have attracted attention for their high efficiency, absorption coefficients, tunability, and manufacturing protocols. However, long-term stability remains a challenge. Ionic liquids have been used to improve stability and performance through film evolution and modifications of photophysical properties. This review discusses the reasons for instability, strategies for stability improvement, and challenges and prospects of perovskite solar cells.

SMALL STRUCTURES (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

Substituted thiourea as versatile ligands for crystallization control and surface passivation of tin-based perovskite

Zihao Zhu et al.

Summary: This study reports a method using substituted thiourea to effectively slow down the crystallization of formamidinium tin triiodide and inhibit its surface defects. By tuning the ligand structure, the performance of the solar cells can be progressively enhanced, resulting in power conversion efficiencies of over 12%.

CELL REPORTS PHYSICAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Temperature-Reliable Low-Dimensional Perovskites Passivated Black-Phase CsPbI3 toward Stable and Efficient Photovoltaics

Shan Tan et al.

Summary: The study revealed that phenyltrimethylammonium iodide (PTAI) and its corresponding LD perovskites demonstrate excellent thermal stability. Further investigation showed that PTAI-based LD perovskites are mainly distributed at grain boundaries, enhancing the phase stability of CsPbI3 and suppressing non-radiative recombination. As a result, the champion PSC device based on CsPbI3 achieved a record efficiency of 21.0% with high stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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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

Mixed halide perovskites for spectrally stable and high-efficiency blue light-emitting diodes

Max Karlsson et al.

Summary: Achieving bright and efficient blue emission in metal halide perovskite light-emitting diodes has been challenging, but the authors demonstrate high EQE and spectrally stable blue light-emitting diodes based on mixed halide perovskites, with emission from 490 to 451nm by using a vapour-assisted crystallization technique.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Enhanced Performance and Stability of 3D/2D Tin Perovskite Solar Cells Fabricated with a Sequential Solution Deposition

Efat Jokar et al.

Summary: A new sequential deposition method using bulky ammonium cations was developed to form a protective layer for tin perovskite solar cells, resulting in improved stability and self-healing performance. The anilinium (AN) device showed an efficiency of 10.6% and great stability in ambient air without encapsulation, making it a promising alternative to lead-based solar cells.

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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Review Chemistry, Multidisciplinary

Organic Ammonium Halide Modulators as Effective Strategy for Enhanced Perovskite Photovoltaic Performance

Seckin Akin et al.

Summary: This review summarizes the recent advances in improving the photovoltaic performance of PSCs by using ammonium halide-based molecular modulators, focusing on the challenges associated with hygroscopicity and ion migration, the roles of ammonium-based passivation agents on overlayers, and future prospects for application.

ADVANCED SCIENCE (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

Vertical 2D/3D Heterojunction of Tin Perovskites for Highly Efficient HTM-Free Perovskite Solar Cell

Jin-Tai Lin et al.

Summary: This study presents a novel p-n junction configuration in the light-absorbing layer of tin perovskite solar cells, leading to a significant performance enhancement for HTM-free Sn PSCs, achieving high power conversion efficiency and excellent long-term stability.

ACS APPLIED ENERGY MATERIALS (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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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

Pseudohalide Functional Additives in Tin Halide Perovskite for Efficient and Stable Pb-Free Perovskite Solar Cells

Dhruba B. Khadka et al.

Summary: The introduction of PEASCN as an additive in FASnI(3) perovskite film has proven to be effective in improving the stability and optoelectronic properties of Sn-based halide perovskite solar cells. This approach results in a compact, larger grain film with higher crystallinity and enhances device efficiency by suppressing tin oxidation and minimizing defects.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Insights into Accelerated Degradation of Perovskite Solar Cells under Continuous Illumination Driven by Thermal Stress and Interfacial Junction

Dhruba B. Khadka et al.

Summary: The operational stability of encapsulated halide perovskite solar cells (HaPSCs) is crucial for commercialization. Research shows that degradation mechanisms are related to interface deterioration, bulk decomposition, and formation of voids and PbI2, with NiOx devices exhibiting improved stability due to their immunity to iodine and moisture-resistive properties. Additionally, formation of voids and PbI2 crystallites at columnar intergrains or at the HTL/ HaP interface is identified as the primary cause of device degradation.

ACS APPLIED ENERGY MATERIALS (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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Review Chemistry, Physical

Ionic Liquids-Enabled Efficient and Stable Perovskite Photovoltaics: Progress and Challenges

Tingting Niu et al.

Summary: Perovskite solar cells (PSCs) benefit greatly from the use of ionic liquids (ILs), which play versatile roles in improving efficiency and stability. ILs help control film formation dynamics, chemically passivate surfaces, enhance stability, and provide innovative alternatives to traditional materials in PSCs. Advanced progress in ILs-based perovskite photovoltaics highlights the importance of ILs in achieving high-performing PSCs.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Multidisciplinary

Surface Reconstruction Engineering with Synergistic Effect of Mixed-Salt Passivation Treatment toward Efficient and Stable Perovskite Solar Cells

Jiajia Suo et al.

Summary: A systematic study showed the impact of mixed-salt passivation strategy on metal-halide perovskite photovoltaic devices, revealing a synergistic passivation mechanism of FABr and ammonium iodide that leads to a higher quality surface with fewer defects and suppressed ion migration, ultimately achieving a higher efficiency.

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

Fluoride Chemistry in Tin Halide Perovskites

Jorge Pascual et al.

Summary: Fluoride plays a key role in preventing the formation of Sn-IV in perovskite solar cells by selectively forming SnF4 complexes. Additionally, fluoride directly influences the colloidal chemistry of precursor dispersions, thereby affecting perovskite crystallization.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Physics, Condensed Matter

Investigations of modulation effect of co-metal ions on the optical properties of the hybrid double perovskites (MA)2AgBi1-x Sb x Br6

Wei-Yan Cong et al.

Summary: The study shows that modulation of optical properties of (MA)(2)AgBi1-x SbxBr6 systems through composition engineering is an effective strategy. As the Sb content increases, the band gap of the system decreases, but all samples maintain an indirect band gap.

JOURNAL OF PHYSICS-CONDENSED MATTER (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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Review Chemistry, Physical

Strain analysis and engineering in halide perovskite photovoltaics

Dongtao Liu et al.

Summary: Halide perovskites are a promising candidate for clean-energy technologies due to their low cost and excellent semiconductor properties, but challenges with device efficiency and stability persist. Recent advancements have tackled the issue of strain in perovskites, showing improvements in both efficiency and stability of devices. Further research is needed to fully understand strain in halide perovskites and continue enhancing their performance.

NATURE 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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Article Energy & Fuels

A-site tailoring in the vacancy-ordered double perovskite semiconductor Cs2SnI6 for photovoltaic application

Shodruz T. Umedov et al.

Summary: This study investigated the effects of A-site tailoring in Cs2SnI6 by adding monovalent cations such as Rb and Ag. The results showed that these additives could suppress CsI secondary phase and have a positive impact on opto-physical properties and device characteristics within a certain range.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2021)

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Article Multidisciplinary Sciences

Multication perovskite 2D/3D interfaces form via progressive dimensional reduction

Andrew H. Proppe et al.

Summary: Many top-performing perovskite photovoltaic devices utilize 2D/3D interfaces to enhance efficiency and stability. This study reveals the gradual dimensional reduction process from 3D to 2D perovskites.

NATURE COMMUNICATIONS (2021)

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Review Chemistry, Physical

Architecture of p-i-n Sn-Based Perovskite Solar Cells: Characteristics, Advances, and Perspectives

Nan Sun et al.

Summary: Sn-based perovskites have been extensively researched as promising alternatives to Pb counterparts in the field of photovoltaics. The rational design of device architecture is crucial for high-performing perovskite solar cells, and architecture engineering has significantly contributed to the development of Sn-based PSCs. This review summarizes the advanced development of Sn-based PSCs, focusing on architecture engineering and providing guidance for future efficient and stable Sn-based PSCs.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Regulating the Surface Passivation and Residual Strain in Pure Tin Perovskite Films

Manman Hu et al.

Summary: The study investigates the impact of surface passivation and residual strain control on perovskite films on the photovoltaic device efficiency. By engineering the dual effects of surface passivation and residual strain, a record power conversion efficiency of up to 9.06% was achieved, the highest reported in a typical n-i-p architecture.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Multidisciplinary

Mixed lead-tin perovskite films with >7 μs charge carrier lifetimes realized by maltol post-treatment

Shuaifeng Hu et al.

Summary: Maltol surface treatment of mixed Pb-Sn perovskite films effectively suppresses Sn(IV) formation, enhances photoluminescence intensities and charge carrier lifetimes, resulting in highly reproducible solar cell devices with a photoconversion efficiency of up to 21.4% under AM1.5G illumination.

CHEMICAL SCIENCE (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 Chemistry, Physical

Balancing crystallization rate in a mixed Sn-Pb perovskite film for efficient and stable perovskite solar cells of more than 20% efficiency

Zhanfei Zhang et al.

Summary: A new strategy is reported to grow highly crystallized Sn-Pb perovskite for perovskite solar cells, utilizing an ionic salt layer to facilitate quick crystallization of Pb-containing perovskite components and improve device stability. This approach led to a champion power conversion efficiency of 20.11% and enhanced thermal and shelf storage stability for mixed Sn-Pb PSCs.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Formamidine disulfide oxidant as a localised electron scavenger for >20% perovskite solar cell modules

Jun Zhu et al.

Summary: The study demonstrates the use of formamidine disulfide dihydrochloride (FASCl) to manipulate intrinsic defects in formamidinium lead iodide (FAPbI(3)), leading to compact full-coverage perovskite layers with high crystallinity and a large grain size. The incorporation of FASCl results in a remarkable power conversion efficiency (PCE) of 23.11% and excellent stability under different environmental conditions, making it a promising approach for highly efficient perovskite solar cells.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Chemistry, Physical

Fundamentals of tin iodide perovskites: a promising route to highly efficient, lead-free solar cells

A. Filippetti et al.

Summary: Hybrid tin-iodide perovskites are studied as a lead-free replacement for lead-iodide perovskites, and theoretical analysis reveals that they exhibit comparable or even superior photoconversion efficiency when compared to lead perovskites, especially in thick-layer limit. This is attributed to the smaller absorption cross section and smaller band gap of tin-based materials, which are very close to the ideal Shockley-Queisser limit. The rate of photoluminescence emission is found to be extremely sensitive to the absorption spectral weight at the band extrema, with different B-factors observed for different tin-based perovskites. Additionally, the impact of Urbach energy and hole doping on the properties of these materials is described in detail.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Multidisciplinary

A review on the stability of inorganic metal halide perovskites: challenges and opportunities for stable solar cells

Wanchun Xiang et al.

Summary: Inorganic perovskite based solar cells have garnered global attention for their high thermal stability and theoretical power conversion efficiencies. However, their poorer phase stability compared to hybrid counterparts requires further research. This review summarizes the progress in stability research on inorganic perovskites, focusing on degradation mechanisms towards temperature, moisture, and oxygen.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Materials Science, Multidisciplinary

Illumination Durability and High-Efficiency Sn-Based Perovskite Solar Cell under Coordinated Control of Phenylhydrazine and Halogen Ions

Chengbo Wang et al.

Summary: The illumination stability and efficiency of Sn-based perovskites have been substantially improved by synergistically introducing phenylhydrazine cation and halogen anions, resulting in a device with a power conversion efficiency of 13.4% and excellent long-term durability. This method offers a universal approach for enhancing the performance of Sn-based perovskites.

MATTER (2021)

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Review Chemistry, Physical

Tin Halide Perovskite (ASnX3) Solar Cells: A Comprehensive Guide toward the Highest Power Conversion Efficiency

Giuseppe Nasti et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Combining Efficiency and Stability in Mixed Tin-Lead Perovskite Solar Cells by Capping Grains with an Ultrathin 2D Layer

Mingyang Wei et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Tailored Amphiphilic Molecular Mitigators for Stable Perovskite Solar Cells with 23.5% Efficiency

Hongwei Zhu et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Physical

Thermal Effects and Halide Mixing of Hybrid Perovskites: MD and XPS Studies

Danil W. Boukhvalov et al.

JOURNAL OF PHYSICAL CHEMISTRY A (2020)

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Article Chemistry, Multidisciplinary

Supramolecular Modulation of Hybrid Perovskite Solar Cells via Bifunctional Halogen Bonding Revealed by Two-Dimensional 19F Solid-State NMR Spectroscopy

Marco A. Ruiz-Preciado et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (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 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 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 Energy & Fuels

Strain dependent effect on power degradation of CIGS thin film solar cell

Chen Yang et al.

SOLAR ENERGY (2020)

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Article Multidisciplinary Sciences

Biological impact of lead from halide perovskites reveals the risk of introducing a safe threshold

Junming Li 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

1000 h Operational Lifetime Perovskite Solar Cells by Ambient Melting Encapsulation

Sai Ma et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Nanoscience & Nanotechnology

Development of Hybrid Pseudohalide Tin Perovskites for Highly Stable Carbon-Electrode Solar Cells

Mohammad Rameez et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Self-Crystallized Multifunctional 2D Perovskite for Efficient and Stable Perovskite Solar Cells

Hobeom Kim et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Physical

Tin-Lead Alloying for Efficient and Stable All-Inorganic Perovskite Solar Cells

Zuobao Yang et al.

CHEMISTRY OF MATERIALS (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 Chemistry, Physical

Development of Novel Mixed Halide/Superhalide Tin-Based Perovskites for Mesoscopic Carbon-Based Solar Cells

Mohammad Rameez et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Review Chemistry, Physical

Monolithic Perovskite Tandem Solar Cells: A Review of the Present Status and Advanced Characterization Methods Toward 30% Efficiency

Marko Jost et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Effects of Alkyl Chain Length on Crystal Growth and Oxidation Process of Two-Dimensional Tin Halide Perovskites

Faming Li et al.

ACS ENERGY LETTERS (2020)

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Article Chemistry, Physical

Tin Halide Perovskite Films Made of Highly Oriented 2D Crystals Enable More Efficient and Stable Lead-free Perovskite Solar Cells

Meng Li et al.

ACS ENERGY LETTERS (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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Article Chemistry, Physical

Lead-free tin-halide perovskite solar cells with 13% efficiency

Kohei Nishimura et al.

NANO ENERGY (2020)

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Realizing a Cosolvent System for Stable Tin-Based Perovskite Solar Cells Using a Two-Step Deposition Approach

Saeed Shahbazi et al.

ACS ENERGY LETTERS (2020)

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Article Green & Sustainable Science & Technology

Sustainable lead management in halide perovskite solar cells

So Yeon Park et al.

NATURE SUSTAINABILITY (2020)

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Article Engineering, Electrical & Electronic

Single step deposition of Cs2SnIxCl6-x thin films with uniform morphology, composition and high air stability

Franco Josue Amaya Suazo et al.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (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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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 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

Fully Solution Processed Pure α-Phase Formamidinium Lead Iodide Perovskite Solar Cells for Scalable Production in Ambient Condition

Fu Yang et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Sn Perovskite Solar Cells via 2D/3D Bilayer Formation through a Sequential Vapor Process

Won-Gyu Choi et al.

ACS ENERGY LETTERS (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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Review Energy & Fuels

Additive Engineering Toward High-Performance CsPbI3 Perovskite Solar Cells

Yi Guo et al.

SOLAR RRL (2020)

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Review Chemistry, Multidisciplinary

Choose Your Own Adventure: Fabrication of Monolithic All-Perovskite Tandem Photovoltaics

Taylor Moot et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Physical

Photoinduced ion-redistribution in CH3NH3PbI3 perovskite solar cells

Masatoshi Yanagida et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2020)

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Effect of solvent vapour annealing on bismuth triiodide film for photovoltaic applications and its optoelectronic properties

Muthu Gomathy M. Pandian et al.

JOURNAL OF MATERIALS CHEMISTRY C (2020)

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Review Chemistry, Multidisciplinary

Advances in design engineering and merits of electron transporting layers in perovskite solar cells

Han Pan et al.

MATERIALS HORIZONS (2020)

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Article Chemistry, Physical

Is Cs2TiBr6 a promising Pb-free perovskite for solar energy applications?

Julie Euvrard et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Materials Science, Multidisciplinary

Attenuating the defect activities with a rubidium additive for efficient and stable Sn-based halide perovskite solar cells

Dhruba B. Khadka et al.

JOURNAL OF MATERIALS CHEMISTRY C (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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Review Chemistry, Multidisciplinary

Halide Perovskites: Is It All about the Interfaces?

Philip Schulz et al.

CHEMICAL REVIEWS (2019)

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Review Chemistry, Multidisciplinary

Halide Perovskite Photovoltaics: Background, Status, and Future Prospects

Ajay Kumar Jena et al.

CHEMICAL REVIEWS (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 Chemistry, Multidisciplinary

Composition Stoichiometry of Cs2AgBiBr6 Films for Highly Efficient Lead-Free Perovskite Solar Cells

Femi Igbari et al.

NANO LETTERS (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 Chemistry, Physical

Role of GeI2 and SnF2 additives for SnGe perovskite solar cells

Chi Huey Ng et al.

NANO ENERGY (2019)

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Article Multidisciplinary Sciences

Planar perovskite solar cells with long-term stability using ionic liquid additives

Sai Bai et al.

NATURE (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

Absolute energy level positions in tin-and lead-based halide perovskites

Shuxia Tao et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Physical

2D Intermediate Suppression for Efficient Ruddlesden-Popper (RP) Phase Lead-Free Perovskite Solar Cells

Jian Qiu et al.

ACS ENERGY LETTERS (2019)

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Article Chemistry, Physical

Strategies To Improve Performance and Stability for Tin-Based Perovskite Solar Cells

Eric Wei-Guang Diau et al.

ACS ENERGY LETTERS (2019)

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Article Chemistry, Physical

Strain Relaxation and Light Management in Tin-Lead Perovskite Solar Cells to Achieve High Efficiencies

Gaurav Kapil et al.

ACS ENERGY LETTERS (2019)

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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 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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Article Chemistry, Physical

Suppression of Charge Carrier Recombination in Lead-Free Tin Halide Perovskite via Lewis Base Post-treatment

Muhammad Akmal Kamarudin et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (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

Robust Tin-Based Perovskite Solar Cells with Hybrid Organic Cations to Attain Efficiency Approaching 10%

Efat Jokar et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Physical

Reducing Saturation-Current Density to Realize High-Efficiency Low-Bandgap Mixed Tin-Lead Halide Perovskite Solar Cells

Chongwen Li et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Nanoscience & Nanotechnology

Unraveling the Impacts Induced by Organic and Inorganic Hole Transport Layers in Inverted Halide Perovskite Solar Cells

Dhruba B. Khadka et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Orientation Regulation of Tin-Based Reduced-Dimensional Perovskites for Highly Efficient and Stable Photovoltaics

Hongyu Xu et al.

ADVANCED FUNCTIONAL 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

Pseudohalides in Lead-Based Perovskite Semiconductors

Bright Walker et al.

ADVANCED MATERIALS (2019)

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Article Chemistry, Physical

Influence of the Iodide to Bromide Ratio on Crystallographic and Optoelectronic Properties of Rubidium Antimony Halide Perovskites

Stefan Weber et al.

ACS APPLIED ENERGY MATERIALS (2019)

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Article Materials Science, Multidisciplinary

Pseudohalide (SCN-)-doped CsPbI3 for high-performance solar cells

Zhun Yao et al.

JOURNAL OF MATERIALS CHEMISTRY C (2019)

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Article Chemistry, Multidisciplinary

Green fabrication of stable lead-free bismuth based perovskite solar cells using a non-toxic solvent

Sagar M. Jain et al.

COMMUNICATIONS CHEMISTRY (2019)

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Article Chemistry, Inorganic & Nuclear

A potassium thiocyanate additive for hysteresis elimination in highly efficient perovskite solar cells

Ruxiao Zhang et al.

INORGANIC CHEMISTRY FRONTIERS (2019)

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Article Materials Science, Multidisciplinary

Tailoring the film morphology and interface band offset of caesium bismuth iodide-based Pb-free perovskite solar cells

Dhruba B. Khadka et al.

JOURNAL OF MATERIALS CHEMISTRY C (2019)

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Article Chemistry, Physical

Effect of bidentate and tridentate additives on the photovoltaic performance and stability of perovskite solar cells

Jiangzhao Chen et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Energy & Fuels

Synergy Effect of Both 2,2,2-Trifluoroethylamine Hydrochloride and SnF2 for Highly Stable FASnI3-xClx Perovskite Solar Cells

Bin-Bin Yu et al.

SOLAR RRL (2019)

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Article Chemistry, Physical

Highly Reproducible Sn-Based Hybrid Perovskite Solar Cells with 9% Efficiency

Shuyan Shao et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Chemistry, Physical

Stabilizing the Efficiency Beyond 20% with a Mixed Cation Perovskite Solar Cell Fabricated in Ambient Air under Controlled Humidity

Trilok Singh et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Nanoscience & Nanotechnology

Tailoring the Open-Circuit Voltage Deficit of Wide-Band-Gap Perovskite Solar Cells Using Alkyl Chain-Substituted Fullerene Derivatives

Dhruba B. Khadka et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

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Article Chemistry, Multidisciplinary

Synthesis and optical properties of ordered-vacancy perovskite cesium bismuth halide nanocrystals

R. D. Nelson et al.

CHEMICAL COMMUNICATIONS (2018)

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Article Chemistry, Physical

Origin of Pronounced Nonlinear Band Gap Behavior in Lead-Tin Hybrid Perovskite Alloys

Anuj Goyal et al.

CHEMISTRY OF MATERIALS (2018)

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Tolerance Factor and Cooperative Tilting Effects in Vacancy-Ordered Double Perovskite Halides

Annalise E. Maughan et al.

CHEMISTRY OF MATERIALS (2018)

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Article Chemistry, Physical

High-Quality Cs2AgBiBr6 Double Perovskite Film for Lead-Free Inverted Planar Heterojunction Solar Cells with 2.2% Efficiency

Weiyin Gao et al.

CHEMPHYSCHEM (2018)

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Structural features and their functions in surfactant-armoured methylammonium lead iodide perovskites for highly efficient and stable solar cells

Minsu Jung et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Mixed Sn-Ge Perovskite for Enhanced Perovskite Solar Cell Performance in Air

Nozomi Ito et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2018)

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Maximizing and stabilizing luminescence from halide perovskites with potassium passivation

Mojtaba Abdi-Jalebi et al.

NATURE (2018)

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Strain effect on the performance of amorphous silicon and perovskite solar cells

An Chen et al.

SOLAR ENERGY (2018)

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Vacuum Deposited Triple-Cation Mixed-Halide Perovskite Solar Cells

Lidon Gil-Escrig et al.

ADVANCED ENERGY MATERIALS (2018)

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Mixed halide hybrid perovskites: a paradigm shift in photovoltaics

Holly F. Zarick et al.

JOURNAL OF MATERIALS CHEMISTRY A (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, Multidisciplinary

Water-Repellent Low-Dimensional Fluorous Perovskite as Interfacial Coating for 20% Efficient Solar Cells

Kyung Taek Cho et al.

NANO LETTERS (2018)

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Boosting the performance and stability of quasi-two-dimensional tin-based perovskite solar cells using the formamidinium thiocyanate additive

Hongki Kim et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

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Article Chemistry, Physical

Robust Stability of Efficient Lead-Free Formamidinium Tin Iodide Perovskite Solar Cells Realized by Structural Regulation

Weiyin Gao et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2018)

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Article Multidisciplinary Sciences

Multifunctional molecular modulators for perovskite solar cells with over 20% efficiency and high operational stability

Dongqin Bi et al.

NATURE COMMUNICATIONS (2018)

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Efficient two-terminal all-perovskite tandem solar cells enabled by high-quality low-bandgap absorber layers

Dewei Zhao et al.

NATURE ENERGY (2018)

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Cost Analysis of Perovskite Tandem Photovoltaics

Zongqi Li et al.

JOULE (2018)

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Enhanced Performance of Germanium Halide Perovskite Solar Cells through Compositional Engineering

Indira Kopacic et al.

ACS APPLIED ENERGY MATERIALS (2018)

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Article Chemistry, Physical

Anharmonicity and Octahedral Tilting in Hybrid Vacancy-Ordered Double Perovskites

Annalise E. Maughan et al.

CHEMISTRY OF MATERIALS (2018)

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2D-Quasi-2D-3D Hierarchy Structure for Tin Perovskite Solar Cells with Enhanced Efficiency and Stability

Fei Wang et al.

JOULE (2018)

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Additive engineering for high-performance room-temperature-processed perovskite absorbers with micron-size grains and microsecond-range carrier lifetimes

Qiwei Han et al.

ENERGY & ENVIRONMENTAL SCIENCE (2017)

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Article Chemistry, Physical

Cs2InAgCl6: A New Lead-Free Halide Double Perovskite with Direct Band Gap

George Volonakis et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2017)

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Cation Dynamics in Mixed-Cation (MA)x(FA)1-xPbI3 Hybrid Perovskites from Solid-State NMR

Dominik J. Kubicki 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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Phase Segregation in Cs-, Rb- and K-Doped Mixed-Cation (MA)x(FA)1-xPbl3 Hybrid Perovskites from Solid-State NMR

Dominik J. Kubicki 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

Tandem Solar Cells from Solution-Processed CdTe and PbS Quantum Dots Using a ZnTe-ZnO Tunnel Junction

Ryan W. Crisp et al.

NANO LETTERS (2017)

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Brightly Luminescent and Color-Tunable Formamidinium Lead Halide Perovskite FAPbX3 (X = Cl, Br, I) Colloidal Nanocrystals

Ievgen Levchuk et al.

NANO LETTERS (2017)

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Article Materials Science, Multidisciplinary

Triple cation mixed-halide perovskites for tunable lasers

Philipp Brenner et al.

OPTICAL MATERIALS EXPRESS (2017)

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Mixed-Organic-Cation Tin Iodide for Lead-Free Perovskite Solar Cells with an Efficiency of 8.12%

Ziran Zhao et al.

ADVANCED SCIENCE (2017)

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Overcoming the Limitations of Sputtered Nickel Oxide for High-Efficiency and Large-Area Perovskite Solar Cells

Guijun Li et al.

ADVANCED SCIENCE (2017)

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Editorial Material Chemistry, Physical

Lead-Free Perovskite Solar Cells

Prashant V. Kamat et al.

ACS ENERGY LETTERS (2017)

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Article Chemistry, Physical

Impact of Rubidium and Cesium Cations on the Moisture Stability of Multiple-Cation Mixed-Halide Perovskites

Yinghong Hu et al.

ACS ENERGY LETTERS (2017)

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Article Energy & Fuels

Optical Properties and Modeling of 2D Perovskite Solar Cells

Bin Liu et al.

SOLAR RRL (2017)

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NiOx Hole Transport Layer for Perovskite Solar Cells with Improved Stability and Reproducibility

Md. Bodiul Islam et al.

ACS OMEGA (2017)

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High-Performance Formamidinium-Based Perovskite Solar Cells via Microstructure-Mediated δ-to-α Phase Transformation

Tanghao Liu et al.

CHEMISTRY OF MATERIALS (2017)

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Article Nanoscience & Nanotechnology

Effect of Electron Transporting Layer on Bismuth-Based Lead-Free Perovskite (CH3NH3)3 Bi2I9 for Photovoltaic Applications

Trilok Singh et al.

ACS APPLIED MATERIALS & INTERFACES (2016)

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Article Chemistry, Multidisciplinary

Lead-Free Inverted Planar Formamidinium Tin Triiodide Perovskite Solar Cells Achieving Power Conversion Efficiencies up to 6.22%

Weiqiang Liao et al.

ADVANCED MATERIALS (2016)

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Article Chemistry, Multidisciplinary

Employing Lead Thiocyanate Additive to Reduce the Hysteresis and Boost the Fill Factor of Planar Perovskite Solar Cells

Weijun Ke et al.

ADVANCED MATERIALS (2016)

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Review Chemistry, Multidisciplinary

Hole-Transport Materials for Perovskite Solar Cells

Laura Calio et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Article Chemistry, Multidisciplinary

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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