☆ 4.8 Review

Recent Progress of Carbon-Based Inorganic Perovskite Solar Cells: From Efficiency to Stability

ADVANCED ENERGY MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Fully Scalable and Stable CsPbI2Br Solar Cells Realized by an All-Spray-Coating Process

David Sunghwan Lee et al.

Summary: This study successfully spray-coats the hole transporting layer (HTL) in fully scalable n-i-p-type metal halide perovskite (MHP) solar cells, achieving high efficiencies and scalability while ensuring uniform coverage and efficient charge extraction. By spray-coating all layers except the Au electrode, high efficiencies are achieved for CsPbI2Br unit cells and submodules, and an all-spray-coating process is demonstrated for submodules.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Nanoscience & Nanotechnology

All-Inorganic Perovskite Solar Cells with Tetrabutylammonium Acetate as the Buffer Layer between the SnO2 Electron Transport Film and CsPbI3

Hang Zhong et al.

Summary: In this work, tetrabutylammonium acetate (TBAAc) was introduced as a buffer layer to improve the power conversion efficiency and stability of CsPbI3 perovskite solar cells. The optimized device achieved a high PCE of 12.79% and exhibited excellent stability, retaining over 83% of its initial PCE after 350 hours.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Thermal-Triggered Dynamic Disulfide Bond Self-Heals Inorganic Perovskite Solar Cells

Qiaoyu Zhang et al.

Summary: This study improves the efficiency and stability of perovskite solar cells by using a thermal-triggered self-healing polyurethane. The self-healing property of the polyurethane helps repair defects in the perovskite film, leading to higher efficiency and longer-term stability. The photovoltaic performance of the device can be recovered through simple heat treatment.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Engineering, Environmental

Efficient interface engineering of N, N'-Dicyclohexylcarbodiimide for stable HTMs-free CsPbBr3 perovskite solar cells with 10.16%-efficiency

Jingwei Zhu et al.

Summary: By depositing DCC at the PVSK/carbon back interface, an effective interface engineering approach is employed to passivate surface defects, improve contact, and boost the efficiency of carbon-based perovskite solar cells. This modification not only enhances the performance but also ensures long-term stability of the device under harsh conditions.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Synergistic passivation by alkali metal and halogenoid ions for high efficiency HTM-free carbon-based CsPbI2Br solar cells

Zechao Yang et al.

Summary: This study utilizes a synergistic passivation strategy with alkali metal and halogenoid ions in the NaSCN additive to enhance the quality and performance of CsPbI2Br films, effectively reducing nonradiative recombination loss and achieving a champion PCE of 14.63% in all-inorganic CsPbI2Br Perovskite solar cells.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Healing soft interface for stable and high-efficiency all-inorganic CsPbIBr2 perovskite solar cells enabled by S-benzylisothiourea hydrochloride

Furi Yan et al.

Summary: In this study, a facile method to strengthen and passivate the inorganic CsPbIBr2 PSC surface with a multifunctional S-benzylisothiourea hydrochloride (SBTCl) was reported. The treatment significantly reduced detrimental defects and improved long-term air-stability, resulting in higher efficiency and stability in 50% RH conditions.

CHEMICAL ENGINEERING JOURNAL (2022)

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Review Chemistry, Multidisciplinary

Development of encapsulation strategies towards the commercialization of perovskite solar cells

Sai Ma et al.

Summary: Despite significant progress in the efficiency of perovskite solar cells, their commercialization has been hindered by the lack of stability. Encapsulation is crucial in providing protection against outdoor aging stressors and improving device stability.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Physical

Tailored graphene quantum dots to passivate defects and accelerate charge extraction for all-inorganic CsPbIBr2 perovskite solar cells

Quanzhu Zhou et al.

Summary: A novel solid-liquid interfacial exfoliation technique has been established to efficiently fabricate high-quality graphene quantum dots, which further enhance the efficiency and stability of all-inorganic perovskite solar cells through functionalization.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

A double perovskite participation for promoting stability and performance of Carbon-Based CsPbI2Br perovskite solar cells

Qianji Han et al.

Summary: The study presents a strategy to enhance the performance of all-inorganic CsPbI2Br solar cells by modifying the surface, resulting in improved power conversion efficiency and enhanced moisture resistance.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Engineering, Electrical & Electronic

A facile interface engineering method to improve the performance of FTO/ZnO/CsPbI3-xBrx (x < 1)/C solar cells

Hao Fu et al.

Summary: In order to improve the low photoelectric conversion efficiency of HTL-free, carbon-based all-inorganic perovskite solar cells (PSCs), we introduced a clean interfacial engineering method using deionized water (DI) spin-coating on F-doped SnO2 (FTO) to obtain a compact and highly uniform ZnO film. By adding excess CsBr to CsPbI3 precursor solution, stable black phase CsPbI3 was obtained and HTL-free, carbon-based all-inorganic CsPbI3-xBrx (x < 1) perovskite solar cells were fabricated. The champion PCE was improved from 10.95% to 12.39%.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2022)

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Article Physics, Applied

A modified hybrid chemical vapor deposition method for the fabrication of efficient CsPbBr3 perovskite solar cells

Saad Ullah et al.

Summary: High-quality CsPbBr3 films with good crystallinity and uniformity were successfully fabricated using a modified hybrid chemical vapor deposition method. The CsPbBr3 perovskite solar cells achieved impressive performance, suggesting a promising fabrication route for all-inorganic perovskite thin films in photovoltaic applications.

JOURNAL OF PHYSICS D-APPLIED PHYSICS (2022)

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Article Chemistry, Inorganic & Nuclear

Low-temperature processing of polyvinylpyrrolidone modified CsPbI2Br perovskite films for high-performance solar cells

Saad Ullah et al.

Summary: By incorporating polyvinylpyrrolidone (PVP) into CsPbI2Br perovskite at a low temperature using a one-step spin coating approach, the optoelectronic properties of the film were greatly enhanced, leading to improved charge carrier separation and suppression of charge recombination. The PVP-CsPbI2Br device achieved a high power conversion efficiency of 10.47%, making it a promising option for future research and applications in photovoltaic devices.

JOURNAL OF SOLID STATE CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Phase Control of Cs-Pb-Br Derivatives to Suppress 0D Cs4PbBr6 for High-Efficiency and Stable All-Inorganic CsPbBr3 Perovskite Solar Cells

Jingwei Zhu et al.

Summary: Precise phase control of Cs-Pb-Br derivatives and utilizing 2D transition metal dichalcogenide ReSe2 for interfacial charge extraction are effective strategies to enhance the photovoltaic performance of CsPbBr3 perovskite solar cells. This work provides a deep understanding of the phase control and the impact of derivatives on the photovoltaic performance of advanced CsPbBr3 PSCs.

SMALL (2022)

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Article Energy & Fuels

High-quality and full-coverage CsPbBr3 thin films via electron beam evaporation with post-annealing treatment for all-inorganic perovskite solar cells

Linlin Liu et al.

Summary: All-inorganic cesium lead bromide perovskite solar cells (PSCs) have gained attention due to their superior stability. However, the conventional solution process has limitations in preparing CsPbBr3 films. Therefore, the development of viable evaporation deposition strategies is crucial for enhancing the power conversion efficiency. In this study, high-quality CsPbBr3 films were fabricated using single-source electron beam evaporation and post-annealing treatment.

SOLAR ENERGY (2022)

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Article Energy & Fuels

Preparation of highly efficient and stable CsPbBr3 perovskite solar cells based on an anti-solvent rinsing strategy

Jiahao Yan et al.

Summary: This study introduces a method for preparing CsPbBr3 perovskite films using an anti-solvent rinsing strategy, which significantly improves the surface morphology and crystal quality of the films, enhancing the efficiency and stability of solar cells.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2022)

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Article Chemistry, Applied

Preventing inhomogeneous elemental distribution and phase segregation in mixed Pb-Sn inorganic perovskites via incorporating PbS quantum dots

Tao Zhang et al.

Summary: The inhomogeneous Pb/Sn elemental distribution and phase segregation in mixed Pb-Sn halide perovskites limit their photovoltaic performance. By using PbS quantum dots for modulation of crystallization dynamics, film quality can be improved and phase segregation can be suppressed, resulting in enhanced efficiency of solar cells.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Article Chemistry, Physical

A double-sided tape modifier bridging the TiO2/perovskite buried interface for efficient and stable all-inorganic perovskite solar cells

Junjie Ti et al.

Summary: In this study, an inorganic ammonium salt, diammonium hydrogen phosphate (DAP), is utilized as a modifier at the buried interface of perovskite solar cells (PSCs). By improving the interface contact and energy level alignment, the charge transport efficiency is enhanced, leading to improved performance and excellent long-term stability of the solar cells.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Physical

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 Materials Science, Multidisciplinary

Defect healing via a gradient cooling strategy for efficient all-inorganic perovskite solar cells

Jiani Lv et al.

Summary: This article demonstrates a gradient cooling process to improve the structural defects in all-inorganic perovskite films and enhance charge carrier transport by reducing defect density. The results show promising application prospects for this method in all-inorganic perovskite films without a dopant/additive.

JOURNAL OF MATERIALS CHEMISTRY C (2022)

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Article Chemistry, Multidisciplinary

Efficient and Stable Carbon-Based CsPbIBr2 Perovskite Solar Cells by 4-Aminomethyltetrahydropyran Acetate Modification

Huayan Zhang et al.

Summary: By treating the surface of CsPbIBr2 perovskite with a gradient energy band, the hole extraction efficiency is improved, along with the morphology and crystallization of the perovskite layer. Nonradiative recombination inside the perovskite and charge recombination at the interface are effectively inhibited.

ADVANCED MATERIALS INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Oxalate Pushes Efficiency of CsPb0.7Sn0.3IBr2 Based All-Inorganic Perovskite Solar Cells to over 14%

Weihai Zhang et al.

Summary: Highly efficient and stable all-inorganic CsPb0.7Sn0.3IBr2 perovskite solar cells (PSCs) were fabricated by introducing an appropriate amount of multifunctional zinc oxalate (ZnOX), resulting in perovskite films with low defect density, high crystallinity, and superior electronic properties.

ADVANCED SCIENCE (2022)

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Article Materials Science, Multidisciplinary

A green Bi-Solvent system for processing high-quality CsPbBr3 films in efficient all-inorganic perovskite solar cells

Shibo Wang et al.

Summary: In this study, high-quality CsPbBr3 films were successfully prepared using a sustainable bi-solvent system, and CsPbBr3 solar cells with excellent efficiency and humidity stability were fabricated based on the pinhole-free, ultra-smooth, and high crystallinity films.

MATERIALS TODAY PHYSICS (2022)

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Article Energy & Fuels

Dual-Functional Quantum Dot Seeding Growth of High-Quality Air-Processed CsPbl2Br Film for Carbon-Based Perovskite Solar Cells

Shuaihang Xu et al.

Summary: In this study, CdSe quantum dots were used as crystallization seeds for the first time to modulate the nucleation and crystal growth processes of CsPbl(2)Br perovskite film. The CdSe quantum dots as additives promoted the nucleation process and the surface ligands of the quantum dots influenced the subsequent crystal growth. The CsPbl(2)Br film prepared with the CdSe quantum dots capped with bifunctional organic ligands showed better crystallinity. The efficiency of the optimized carbon-based perovskite solar cells increased from 12.73% to 14.49%.

SOLAR RRL (2022)

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Article Energy & Fuels

In Situ Constructing Intermediate Energy-Level Perovskite Transition Layer for 15.03% Efficiency HTL-Free Carbon-Based Perovskite Solar Cells with a High Fill Factor of 0.81

Kexiang Wang et al.

Summary: An intermediate energy-level perovskite transition layer is applied to address the inefficient hole extraction and narrow light absorption range of all-inorganic CsPbX3-based carbon perovskite solar cells, resulting in improved efficiency and stability.

SOLAR RRL (2022)

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Article Energy & Fuels

Suppressing Interfacial Shunt Loss via Functional Polymer for Performance Improvement of Lead-Free Cs2AgBiBr6 Double Perovskite Solar Cells

Jiabao Li et al.

Summary: By introducing a functional polymer layer to optimize the surface of Cs2AgBiBr6 double perovskite solar cells, the stability and efficiency of the cells can be effectively improved.

SOLAR RRL (2022)

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Article Energy & Fuels

Intermediate Phase-Assisted Sequential Deposition Toward 15.24%-Efficiency Carbon-Electrode Cspbi2br Perovskite Solar Cells

Weidong Zhu et al.

Summary: This study proposes a method for preparing high-quality CsPbI2Br films at ambient conditions, which involves an intermediate phase transition and spinodal decomposition reaction to achieve phase stability, full coverage, and micro-sized grains in CsPbI2Br films. The carbon-electrode PSC with the desired CsPbI2Br film exhibits excellent efficiency, photovoltage, and stability.

SOLAR RRL (2022)

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Article Nanoscience & Nanotechnology

Rational Design on Chemical Regulation of Interfacial Microstress Engineering by Matching Young's Modulus in a CsPbBr3 Perovskite Film with Mechanical Compatibility toward Enhanced Photoelectric Conversion Efficiency

Chong-Yang Cui et al.

Summary: This study uses choline bromide to modify the perovskite film, reducing defect-state density and residual stress, thereby improving the photovoltaic conversion efficiency and stability of perovskite solar cells.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Pinning Bromide Ion with Ionic Liquid in Lead-Free Cs2AgBiBr6 Double Perovskite Solar Cells

Jiangning Li et al.

Summary: By introducing ionic liquids, the power conversion efficiency and long-term stability of Cs2AgBiBr6-based perovskite solar cells have been improved by reducing bromide ion migration and film defects, and enhancing energy level matching.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Defective MWCNT Enabled Dual Interface Coupling for Carbon-based Perovskite Solar Cells with Efficiency Exceeding 22%

Yudi Wang et al.

Summary: This study demonstrates the use of defective multi-walled carbon nanotubes to improve the charge transfer kinetics of carbon-based perovskite solar cells (C-PSCs). Through molecular-level interface coupling and nanometer-scale interface coupling, rapid charge transfer and seamless connection have been achieved, resulting in improved power conversion efficiency and operational stability.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Rear Electrode Materials for Perovskite Solar Cells

Rui Chen et al.

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

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Universal Dynamic Liquid Interface for Healing Perovskite Solar Cells

Qiyao Guo et al.

Summary: This study presents a dynamic healing interface (DHI) for highly efficient and stable perovskite solar cells (PSCs) by incorporating a low-melting-point small molecule onto the perovskite film surface. The solid-to-liquid phase conversion of DHI enhances charge extraction, passivates defects, and suppresses ion migration. Furthermore, the stability of PSCs is remarkably improved under various environmental conditions.

ADVANCED MATERIALS (2022)

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Article Engineering, Environmental

Surface dipole affords high-performance carbon-based CsPbI2Br perovskite solar cells

Zhongliang Yan et al.

Summary: In this study, the electronic state of the interface between CsPbI2Br and the carbon electrode in all-inorganic C-PSCs was improved by introducing ATHPBr molecule, leading to enhanced hole extraction and collection. The modified devices exhibited a higher efficiency and stability.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Multifunctional interface modifier ammonium silicofluoride for efficient and stable all-inorganic CsPbBr3 perovskite solar cells

Lifang Cui et al.

Summary: The utilization of ammonium silicofluoride as an interfacial modifier in perovskite solar cells significantly improves efficiency and stability by reducing surface defects, adjusting energy levels, and forming hydrogen bonds.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

n-type absorber by Cd2+ doping achieves high-performance carbon-based CsPbIBr2 perovskite solar cells

Yuan Xu et al.

Summary: The addition of an appropriate amount of Cd2+ into the CsPbIBr2 precursor solution can improve the film quality, enhance the efficiency of CsPbIBr2 PSCs, reduce trap density, suppress carrier recombination, exhibit n-type doping, and optimize energy level alignment, leading to higher PCE and improved stability.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Energy & Fuels

Low-temperature crystallization and growth of CsPbIBr2 films through PbX2-DMSO adduct towards stable and efficient carbon-based all-inorganic perovskite solar cells

Akanksha Choubey et al.

Summary: In the realm of solar cells, there has been much attention on carbon-electrode-based, all-inorganic perovskite solar cells based on cesium lead mixed halide perovskites. In this study, a simple single-step deposition process was used to engineer a high-quality perovskite film by replacing conventional precursors with DMSO-adducts of lead halide. This resulted in enhanced light absorption, improved stability, and increased power conversion efficiency of the solar cells.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2022)

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Article Chemistry, Physical

A counter electrode modified with renewable carbonized biomass for an all-inorganic CsPbBr3 perovskite solar cell

Linlin Jiang et al.

Summary: In this study, carbonized bacterial cellulose and carbonized macadamia nutshell were combined with carbon paste to fabricate counter electrodes for all-inorganic perovskite solar cells. The performance and stability of the solar cells were improved, indicating the potential applications of biomass-derived carbons in renewable energy.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

Enhancing photovoltaic performance of carbon-based planar Cs3Sb2I9-xClx solar cells by using P3HT as hole transport material

Fei Zhao et al.

Summary: This study reports a novel strategy to improve the performance of carbon-based planar perovskite solar cells by using poly(3-hexylthiophene) (P3HT) to modify the interface. By introducing P3HT, the solar cells exhibit reduced Voc deficit, increased photoelectric conversion efficiency, and unaffected stability.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

High-efficiency and ultraviolet stable carbon-based CsPbIBr2 solar cells from single crystal three-dimensional anatase titanium dioxide nanoarrays with ultraviolet light shielding function

Yu Jing et al.

Summary: This study reports the direct growth of TiO2 electron transport layers (ETLs) on fluorine-doped conductive glasses and demonstrates the advantages of the resulting 3D-TiO2 ETLs in optimizing energy level matching and charge transfer dynamics. The unique morphology of the 3D-TiO2 ETLs aids in achieving high efficiency and UV stability in perovskite solar cells.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Inorganic & Nuclear

Surface passivation for enhancing photovoltaic performance of carbon-based CsPbI3 perovskite solar cells

Xiang Fu et al.

Summary: The photovoltaic conversion efficiency and stability of hole transport layer (HTL)-free carbon-based CsPbI3 perovskite solar cells (CsPbI3 C-PSCs) are improved by using 4,4'-dimethoxytriphenylmethyl chloride (DMT-Cl) passivator to increase grain sizes and passivate surface defects.

JOURNAL OF SOLID STATE CHEMISTRY (2022)

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Article Materials Science, Multidisciplinary

Robust tungsten oxide nanostructure for efficient photoelectric conversion and hydrogen evolution

Yuanyuan Zhao et al.

Summary: Solar energy is a promising and abundant energy source for the future, and converting it directly into hydrogen could effectively address the intermittency of solar energy. By using W18O49 nanowires and Ru-doped W18O49 as tailored electrodes and robust catalysts, the efficiency and stability of CsPbBr3 perovskite solar cells can be significantly improved.

MATERIALS LETTERS (2022)

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Article Materials Science, Multidisciplinary

Efficiency improvement of Cs2AgBiBr6 perovskite solar cells with modification of SnS quantum dots

Yingjun Ou et al.

Summary: This study introduced tin sulfide quantum dots (SnS QDs) to modify Cs2AgBiBr6 perovskite thin films, resulting in improved efficiency and stability of perovskite solar cells.

MATERIALS LETTERS (2022)

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Article Engineering, Electrical & Electronic

Dual interfacial modification to improve the performance of CsPbBr3 perovskite solar cells

Xiaoyan Li et al.

Summary: The dual modification of graphene quantum dots and poly(3-hexylthiophene) significantly improves the performance of CsPbBr3 perovskite solar cells by enhancing carrier extraction and transfer efficiency, suppressing charge recombination, and reducing the interfacial energy barrier.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2022)

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Article Materials Science, Multidisciplinary

Low temperature-processed stable and high-efficiency carbon-based CsPbI2Br perovskite solar cells by additive strategy

Xinyu Xu et al.

Summary: This study investigates the crystallization kinetics of CsPbI2Br perovskite film under low temperature conditions and discovers the issue of incomplete crystallization during low temperature crystallization. By combining organic molecules with PbI2, the crystallization reaction process can be effectively improved, leading to enhanced crystallinity of the perovskite. As a result, the low-temperature-processed CsPbI2Br perovskite solar cells achieve an efficiency of 10.95% in the FTO/SnO2/CsPbI2Br/carbon architecture, with good stability in air.

ORGANIC ELECTRONICS (2022)

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Article Materials Science, Multidisciplinary

Energy level matching between transparent conducting electrodes and the electronic transport layer to enhance performance of all-inorganic CsPbBr3 solar cells

Ruxin Guo et al.

Summary: This study demonstrates the importance of energy level matching and interface roughness in perovskite solar cells (PSCs). The Ta-doped SnO2 films prepared using high target utilization sputtering technology as bottom electrodes show improved power conversion efficiency (PCE) compared to the commonly used TCOs. The suitable energy level matching and low interface roughness contribute to enhanced open-circuit voltage, short-circuit current, and fill factor.

VACUUM (2022)

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Article Chemistry, Physical

PbS/CdS heterojunction thin layer affords high-performance carbon-based all-inorganic solar cells

Yuan Xu et al.

Summary: In this study, a PbS/CdS heterojunction thin layer was constructed through interface engineering, which successfully improved the stability and efficiency of carbon-based CsPbI1.5Br1.5 solar cells.

NANO ENERGY (2022)

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Article Chemistry, Physical

Extracting ammonium halides by solvent from the hybrid perovskites with various dimensions to promote the crystallization of CsPbI3 perovskite

Hailiang Wang et al.

Summary: The inorganic CsPbI3 perovskite, with suitable optical bandgap and high chemical stability, has shown great potential as a light absorber in perovskite solar cells. However, the phase instability and composition manipulation of CsPbI3 perovskite film have been major challenges. In this study, a new strategy, involving the extraction of ammonium halide by solvent, was developed to address these issues. The extraction of ammonium halide was found to promote the crystallization of CsPbI3 perovskite and improve the film quality. By combining this method with conventional annealing, the composition of the CsPbI3 perovskite film could be finely manipulated. Moreover, the resulting CsPbI3 perovskite solar cells achieved an efficiency of 15.35%, setting a new record for inorganic C-PSCs.

NANO ENERGY (2022)

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Article Chemistry, Physical

Tailoring type-II all-in-one buried interface for 1.635V-voltage, all-inorganic CsPbBr3 perovskite solar cells

Xinpeng Yao et al.

Summary: In this study, a SnO2-SnS2 heterojunction nanocrystal was used to heal the defective interface of all-inorganic CsPbBr3 PSCs, resulting in high efficiency and stability.

NANO ENERGY (2022)

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Article Energy & Fuels

A Novel Solvent for Multistep Solution-Processed Planar CsPbBr3 Perovskite Solar Cells Using In2S3 as Electron Transport Layer

Jianlin Chen et al.

Summary: All-inorganic CsPbBr3 perovskite solar cells have attracted attention for their thermal and moisture stability. In this study, a new solvent and a controllable technique were used to improve the phase purity and grain size of CsPbBr3 films, and optimize the electron transport layer. As a result, the power conversion efficiency was increased.

ENERGY TECHNOLOGY (2022)

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Article Chemistry, Multidisciplinary

Improved Perovskite/Carbon Interface through Hot-Pressing: A Case Study for CsPbBr3-Based Perovskite Solar Cells

Teng Zhang et al.

Summary: By using a pressure-assisted method to improve the contact at the perovskite/carbon interface, the efficiency of carbon-based solar cells can be enhanced. The hot-pressing process shows a significant performance improvement for large-scale devices.

ACS OMEGA (2022)

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Article Energy & Fuels

Out-of-Glovebox Integration of Recyclable Europium-Doped CsPbI3 in Triple-Mesoscopic Carbon-Based Solar Cells Exceeding 9% Efficiency

Salvatore Valastro et al.

Summary: In this study, all-inorganic perovskite solar cells were fabricated, and the power conversion efficiency was significantly improved. The addition of europium precursors helped reduce lattice defects. High-temperature annealing was used to enhance the stability of the perovskite phase. Furthermore, the recycling of the cells allowed for the recovery of their performance.

SOLAR RRL (2022)

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Article Green & Sustainable Science & Technology

Multifunctional Molecule Modification toward Efficient Carbon-Based All-Inorganic CsPbIBr2 Perovskite Solar Cells

Xin Wang et al.

Summary: By introducing multifunctional aminoguanidine hemisulfate into the CsPbIBr2 perovskite layer, defects were successfully passivated, leading to a high energy conversion efficiency. Using all-inorganic CsPbIBr2 perovskite solar cells can significantly reduce costs, providing a new direction for development in this field.

ADVANCED SUSTAINABLE SYSTEMS (2022)

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Article Chemistry, Physical

Multifunctional Polymer Capping Frameworks Enable High-Efficiency and Stable All-Inorganic Perovskite Solar Cells

Fangxuan Yi et al.

Summary: All-inorganic perovskite solar cells have been improved in terms of film quality and stability by introducing a polymeric poly(vinylpyrrolidone) capping framework, resulting in significantly enhanced photovoltaic performance and stability.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Zinc and Acetate Co-doping for Stable Carbon-Based CsPbIBr2 Solar Cells with Efficiency over 10.6%

Deng Wang et al.

Summary: It has been discovered that doping an appropriate amount of Zn(Ac)(2) in CsPbIBr2 perovskite solar cells can improve crystal quality, decrease trap density, and optimize charge recombination, resulting in an improved power conversion efficiency and long-term stability.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

A Mixed Antisolvent-Assisted Crystallization Strategy for Efficient All-Inorganic CsPbIBr2 Perovskite Solar Cells by a Low-Temperature Process

Jiajun Yang et al.

Summary: A mixed antisolvent solution of chlorobenzene and isopropyl alcohol is used to improve the microstructure of low-temperature-processed CsPbIBr2 films, resulting in better morphology, crystallinity, sunlight absorption, reduced trap-state density, and suppressed carrier recombination. The use of undoped zinc phthalocyanine as a hole transport layer enhances charge transfer and protects the CsPbIBr2 film from damage caused by humid air. The modified perovskite solar cells demonstrate higher efficiency and improved humidity stability.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Engineering, Environmental

Cs2SnI6 nanocrystals enhancing hole extraction for efficient carbon-based CsPbI2Br perovskite solar cells

Guizhi Zhang et al.

Summary: A novel hole transport material CSI NCs was synthesized and used in carbon electrode-based perovskite solar cells, leading to improved hole extraction efficiency and photovoltaic performance by optimizing energy level alignment between the perovskite and carbon electrode.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Mitigating interfacial and bulk defects via chlorine modulation for HTL-free all-inorganic CsPbI2Br carbon-based perovskite solar cells with efficiency over 14%

Kexiang Wang et al.

Summary: The study presents a systematic optimization strategy to improve the power conversion efficiency of hole transporting layer-free all-inorganic CsPbI2Br carbon-based perovskite solar cells. By developing a non-hydrophilic Cl-containing SnO2 electron transporting layer and introducing a PbCl2 additive, both interfacial and bulk defects are effectively suppressed, resulting in a champion PCE of 14.11%.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Electrical & Electronic

Improvement of nanopore structure SnO2 electron-transport layer for carbon-based CsPbIBr2 perovskite solar cells

Qingchen He et al.

Summary: This paper introduces a simple and high fault-tolerant method to prepare SnO2 electron transport layer with nanopore structure, which can improve the photoelectric conversion efficiency of perovskite solar cells and reduce hysteresis index.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2022)

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Article Engineering, Environmental

Understanding steric-charge-dependence of conjugated passivators on p-Pb2+ bond strength for efficient all-inorganic perovskite solar cells

Junshuai Zhang et al.

Summary: This study investigates the effects of various pi-conjugated pyridine derivatives on the electron-donating ability and photovoltaic performances of inorganic CsPbIBr2 perovskite film. The results demonstrate that the coordination sites and structure hindrance play a crucial role in determining the photovoltaic performances. The bipyridine passivated device shows improved efficiency and stability.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

Atomic substitution effects of inorganic perovskites for optoelectronic properties modulations

Baian Chen et al.

Summary: This study reveals the atomic substitution effects of inorganic perovskites, which offer significant guidance for the design of next-generation optoelectronic devices.

ECOMAT (2022)

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Review Materials Science, Multidisciplinary

Strategies for highly efficient and stable cesium lead iodide perovskite photovoltaics: mechanisms and processes

Peng Yu et al.

Summary: This article reviews the strategies to improve efficiency and stability of CsPbI3 perovskite solar cells, emphasizing the advantages of all-inorganic PSCs over organic-inorganic PSCs in terms of thermal stability.

JOURNAL OF MATERIALS CHEMISTRY C (2022)

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Review Materials Science, Multidisciplinary

Carbon nanotubes in perovskite-based optoelectronic devices

Zijing Dong et al.

Summary: Halide perovskites are widely used as light-absorbing layers in optoelectronic devices, but device performance needs improvement. Incorporating carbon nanotubes (CNTs) can enhance conductivity, charge extraction, device stability, and flexibility. This paper summarizes the recent applications of CNTs in perovskite-based devices such as solar cells, photodetectors, and LEDs, discussing their roles and proposed solutions for current issues.

MATTER (2022)

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Article Nanoscience & Nanotechnology

Fully Scalable and Stable CsPbI2Br Solar Cells Realized by an All-Spray-Coating Process

David Sunghwan Lee et al.

Summary: Spray-coating technique is a scalable and time-efficient method for developing large-area metal halide perovskite solar cells (MHP). In this study, the researchers present a reliable strategy of spray-coating the hole transporting layer (HTL) using MoO2 nanoparticles and poly-(triarylamine) (PTAA) binders to ensure uniform coverage and efficient charge extraction. By spray-coating all layers except the Au electrode, they achieve high and scalable efficiencies for CsPbI2Br unit cells and submodules. Additionally, they demonstrate good long-term stability of the submodules under damp heat conditions.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Review Physics, Condensed Matter

Suppressed light-induced phase transition of CsPbBr2I: Strategies, progress and applications in the photovoltaic field

Hushan Zhang et al.

Summary: The PCE of CsPbBr2I-based perovskite solar cells has rapidly increased in recent years, but challenges such as phase stability and current hysteresis caused by photo-induced phase segregation need to be addressed for further advancements. Understanding the mechanism and implementing strategies to suppress phase transition could lead to progress in the field of photovoltaics.

JOURNAL OF SEMICONDUCTORS (2021)

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Article Nanoscience & Nanotechnology

Quantum Dot Interface-Mediated CsPbIBr2 Film Growth and Passivation for Efficient Carbon-Based Solar Cells

Xingnan Qi et al.

Summary: By incorporating PbS quantum dots at the interface of electron transporting layer (ETL) SnO2 and perovskite in carbon-based solar cells, the crystallization of CsPbIBr2 and interfacial charge dynamics are modulated, leading to reduced defect density, facilitated carrier transfer, and suppressed charge recombination. This strategic method results in an enhanced device efficiency, reproducibility, and ambient stability, showing a promising approach to prepare high-quality perovskite films for efficient perovskite solar cells.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Review Chemistry, Physical

Ambient Fabrication of Organic-Inorganic Hybrid Perovskite Solar Cells

Yuan Zhang et al.

Summary: Organic-inorganic hybrid perovskite solar cells have been widely studied for their high power conversion efficiency, simple fabrication, and low cost. However, their sensitivity to moisture and oxygen has led to challenges in constructing them in inert environments. Recent progress in fabricating efficient and stable PSCs in ambient conditions shows promise for successful commercialization.

SMALL METHODS (2021)

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Article Nanoscience & Nanotechnology

Suppressing Halide Phase Segregation in CsPbIBr2 Films by Polymer Modification for Hysteresis-Less All-Inorganic Perovskite Solar Cells

Wenming Chai et al.

Summary: All-inorganic perovskite CsPbIBr2 materials show promise for optoelectronics, but tend to undergo halide phase segregation under illumination, impacting their properties. By modifying the crystalline grains with PMMA, researchers successfully overcame this issue, resulting in improved performance of CsPbIBr2 films.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Efficient Passivation Strategy on Sn Related Defects for High Performance All-Inorganic CsSnI3 Perovskite Solar Cells

Bo Li et al.

Summary: This study utilized a thioamides passivation strategy to modulate defect state density at surfaces and grain boundaries in CsSnI3 perovskites, achieving high-performance all-inorganic CsSnI3 PSCs. Surface passivation reduced deep level trap state defect density originating from Sn2+ ion and Sn2+ oxidation, restraining nonradiative recombination and elongating carrier lifetime.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Engineering, Environmental

Ultraviolet filtration and defect passivation for efficient and photostable CsPbBr3 perovskite solar cells by interface engineering with ultraviolet absorber

Jingwei Zhu et al.

Summary: The modification of UV-360 on TiO2 ETL effectively blocks UV irradiation on perovskite films, reduces trap states, and improves interface contact, leading to enhanced stability and efficiency of PSCs.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Electrical & Electronic

Influence of an SCN- moiety on the electronic properties of γ-CsPb(SCN)xBr3-x and the performance of carbon-based HTL-free γ-CsPb(SCN)xBr3-x perovskite solar cells

Pitphichaya Suksaengrat et al.

Summary: This study focuses on the preparation of CsPbBr3 film by hot casting method and the performance of CsPbBrSCNx at different SCN- doping levels. The results indicate that certain CsPbBrSCNx films exhibit higher efficiency and stability in solar cells.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021)

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Article Physics, Applied

Fabrication of CsPbBr3 films with high quality using a simple method

Xingming Yang et al.

Summary: In this study, a two-step infiltration-spinning method was proposed to obtain pure-phase CsPbBr3 films, with investigations into phase transformations between different CsPb compounds by controlling contact time. CsPbBr3 films with large grain sizes were achieved after high-temperature post-treatment, leading to highly efficient solar cells.

JOURNAL OF PHYSICS D-APPLIED PHYSICS (2021)

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Article Materials Science, Multidisciplinary

Photovoltaic Performance Enhancement of All-Inorganic CsPbBr3 Perovskite Solar Cells Using In2S3 as Electron Transport Layer via Facile Reflux-Condensation Process

Caiyou Huang et al.

Summary: All-inorganic perovskite solar cells (PSCs) have gained significant attention for their excellent stability, with indium sulfide (In2S3) films as electron transport layers showing promise for enhancing power conversion efficiency. A wet chemistry method for preparing In2S3 films has been proposed, resulting in improved device performance.

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE (2021)

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Article Nanoscience & Nanotechnology

High-Efficiency All-Inorganic Perovskite Solar Cells Tailored by Scalable Rutile TiO2 Nanorod Arrays with Excellent Stability

Meng Wang et al.

Summary: In this study, one-dimensional rutile TiO2 nanorod arrays with a thickness of 1.8 μm were fabricated and utilized as the electron extraction layer for high-efficiency all-inorganic CsPbBr3 PSCs for the first time. By regulating the donor concentration with nitrogen atoms, a champion efficiency of 8.50% was achieved with excellent long-term stability after 50 days of storage in air conditions. The results demonstrate that a TiO2 layer with a micrometer scale thickness can effectively collect photogenerated carriers and provide various technologies for fabricating the electron extraction layer.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Nanoscience & Nanotechnology

Dimensionality Control of SnO2 Films for Hysteresis-Free, All-Inorganic CsPbBr3 Perovskite Solar Cells with Efficiency Exceeding 10%

Yuanyuan Zhao et al.

Summary: The use of two-dimensional SnO2 ETL allows for optimized charge transportation and increased perovskite grain size, leading to the production of stable and efficient all-inorganic CsPbBr3 PSCs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Modification of Energy Level Alignment for Boosting Carbon-Based CsPbI2Br Solar Cells with 14% Certified Efficiency

Guizhi Zhang et al.

Summary: By modifying the perovskite surface and utilizing a specific spin coating method to prepare thicker perovskite films, the power conversion efficiency and stability of carbon-based all-inorganic perovskite solar cells (C-PSCs) have been successfully improved.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

p-Type Charge Transfer Doping of Graphene Oxide with (NiCo)1-yFeyOx for Air-Stable, All-Inorganic CsPbIBr2 Perovskite Solar Cells

Jian Du et al.

Summary: By utilizing (NiCo)(1-y)FeyOx nanoparticle decorated graphene oxide (GO), the efficiency of all-inorganic CsPbIBr2 PSC was significantly improved, resolving the contradiction between charge extraction and localization. The top device exhibited excellent long-term stability under 10% relative humidity without encapsulation for over 70 days.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

High-performance carbon-based CsPbI2Br perovskite solar cells via small molecule modification

Qianji Han et al.

Summary: The study successfully improved the efficiency and stability of CsPbI2Br perovskite C-PSCs using interface modification materials with sulfur and oxygen atoms, providing a new strategy for developing highly efficient and stable C-PSCs.

JOURNAL OF POWER SOURCES (2021)

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Article Chemistry, Physical

Dual-functional metal (IIB) diethyldithocarbamate salts passivation enabled high-efficiency and stable carbon-based CsPbIBr2 all-inorganic perovskite solar cells

Xiao Liu et al.

Summary: A simple and effective surface passivation method was designed to address the high defect density issue in solution-prepared perovskite films, resulting in improved efficiency and stability of carbon-based CsPbIBr2 all-inorganic perovskite solar cells.

JOURNAL OF POWER SOURCES (2021)

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Article Chemistry, Multidisciplinary

Flexible, All-Inorganic CsPbBr3 Perovskite Solar Cells Tailored by Heat-resistant Muscovite Substrates

Yafeng Xu et al.

Summary: This study successfully fabricated a flexible CsPbBr3 PSC with an efficiency of 5.71% using a heat-resistant conductive muscovite substrate, achieving high mechanical flexibility and providing a new path for increasing efficiency in the future without lowering the crystallization temperature of state-of-the-art materials.

CHEMSUSCHEM (2021)

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Article Chemistry, Applied

Boosting the performance of low-temperature processed CsPbI2Br planar perovskite solar cells by interface engineering

Xiang Zhang et al.

Summary: In this study, a dopant-free CuPc derivative was used to modify the CsPbI2Br/carbon interface in order to improve charge transport and suppress charge recombination, leading to enhanced efficiency and stability of the PSC. The optimized concentration of CuPc derivative resulted in a significantly higher PCE with less hysteresis, showcasing potential for further development of efficient and stable PSCs.

DYES AND PIGMENTS (2021)

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Article Engineering, Electrical & Electronic

Solution-processed amino acid modified SnO2 electron transport layer for carbon-based CsPbIBr2 perovskite solar cells

Siqi Han et al.

Summary: This study successfully improved the power conversion efficiency of carbon-based CsPbIBr2 PSC by using alanine-modified SnO2 ETL, increasing from 5.09% to 6.80%, which was almost 33.60% higher than the PSC with pristine SnO2. Additionally, the PSCs with modified SnO2 showed better long-term stability.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2021)

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Article Multidisciplinary Sciences

Perovskite solar cells with atomically coherent interlayers on SnO2 electrodes

Hanul Min et al.

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

NATURE (2021)

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Article Energy & Fuels

The sulfur-rich small molecule boosts the efficiency of carbon-based CsPbI2Br perovskite solar cells to approaching 14%

Qianji Han et al.

Summary: All-inorganic perovskite material CsPbI2Br has excellent thermal stability but low power conversion efficiency. This study uses a sulfur-rich small molecule to modify the interface between CsPbI2Br and carbon electrode, achieving a high efficiency of 13.78% for the carbon-based CsPbI2Br PSCs. The PCE improvement is attributed to the significant reduction in defect density and suppression of recombination.

SOLAR ENERGY (2021)

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Article Energy & Fuels

Multi-source cation/anion doping towards efficient carbon-based CsPbIBr2 solar cells with superior open voltage up to 1.37 V

Yixin Guo et al.

Summary: A novel multi-source cation/anion co-doping strategy has been used to improve the performance of CsPbIBr2 solar cell, resulting in a respectable V-oc of 1.37 V and an efficiency of 10.78%. This simple doping strategy not only enhances film quality but also strengthens built-in potential, significantly enhancing V-oc.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2021)

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Article Engineering, Electrical & Electronic

Carbon-based, all-inorganic, lead-free Ag2BiI5 rudorffite solar cells with high photovoltages

Fengqin He et al.

Summary: Lead-free Ag-Bi-I rudorffite solar cells have gained attention as potential alternatives to lead halide perovskites, but most cells have unstable and expensive hole-transport-layers and noble metal-electrodes. This study reports a carbon-based, all-inorganic Ag2BiI5 rudorffite solar cell without HTL and noble metal-electrodes, achieving an efficiency of 0.71% with the highest open-circuit voltage among reported Ag2BiI5 solar cells.

SOLID-STATE ELECTRONICS (2021)

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Article Energy & Fuels

Enhancing the performance and stability of carbon-based CsPbI2Br perovskite solar cells via tetrabutylammonium iodide surface passivation

Shenshen Zheng et al.

Summary: The combination of intermediate gradient annealing and antisolvent ethyl acetate treatment to prepare CsPbI2Br films, along with the surface treatment using tetrabutylammonium iodide, results in cheap, high-performance, and stable all-inorganic carbon-based perovskite solar cells.

SOLAR ENERGY (2021)

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Article Energy & Fuels

Tri-Brominated Perovskite Film Management and Multiple-Ionic Defect Passivation for Highly Efficient and Stable Solar Cells

Zekun Gong et al.

Summary: The study demonstrates that adding TBBPA to perovskite films can manipulate crystal growth and passivate defects, improving hole mobility and energy level alignment of CsPbBr3 perovskite films, resulting in significantly enhanced performance of PSCs.

SOLAR RRL (2021)

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Article Chemistry, Physical

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

Hailiang Wang et al.

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

NANO ENERGY (2021)

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Article Chemistry, Physical

Carbon-based 2D-layered Rb0.15Cs2.85Sb2ClxI9-x solar cells with superior open-voltage up to 0.88 V

Yixin Guo et al.

Summary: By manipulating the crystal structure and improving the film quality of Cs(3)Sb(2)ClxI(9-x) through rubidium or potassium doping, a low-cost planar Sb-based inorganic PLSC with higher efficiency was successfully assembled. With the use of Nb2O5 electron transport layer instead of traditional TiO2 ETL, the interface energy level was properly aligned, resulting in higher PCE and open voltage.

NANO ENERGY (2021)

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Article Engineering, Environmental

Remarkable quality improvement of CsPbIBr2 perovskite film by cellulose acetate addition for efficient and stable carbon-based inorganic perovskite solar cells

Jieqiong Liu et al.

Summary: The introduction of cellulose acetate into CsPbIBr2 perovskite precursor solution can effectively enhance the quality of the perovskite film, resulting in higher crystallinity, larger grain size, and smoother surface. The optimized CsPbIBr2 perovskite film with cellulose acetate shows a champion efficiency of 7.52% and excellent long-term stability in both ambient condition and high-humidity environment.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Multifunctional brominated graphene oxide boosted charge extraction for high-efficiency and stable all-inorganic CsPbBr3 perovskite solar cells

Xuemiao Sun et al.

Summary: In this study, multifunctional brominated graphene oxide (Br-GO) was used as an effective additive to enhance the quality of perovskite film, leading to improved power conversion efficiency (PCE) and operational stability of perovskite solar cells (PSCs). The incorporation of Br-GO also increased hole mobility and reduced carrier recombination, resulting in enhanced charge separation and transfer. Additionally, the use of Br-GO at the perovskite/Carbon interface helped compensate energy levels and promote hole extraction, ultimately achieving a champion PCE of 10.10% and high tolerance to harsh environmental conditions.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Performance Enhancement of All-Inorganic Carbon-Based CsPbIBr2 Perovskite Solar Cells Using a Moth-Eye Anti-Reflector

Wensheng Lan et al.

Summary: The use of moth-eye anti-reflector on PSCs improved J(SC) and PCE, further enhancing the performance of CsPbIBr2 perovskite solar cells.

NANOMATERIALS (2021)

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Article Crystallography

Surface-Passivated CsPbBr3 for Developing Efficient and Stable Perovskite Photovoltaics

Hyeon Ju Tak et al.

Summary: Recent research has shown that using all-inorganic perovskites as the photoactive layer in optoelectronic applications can improve stability and efficiency of photovoltaic devices, particularly when a surface treatment method is employed.

CRYSTALS (2021)

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Article Engineering, Electrical & Electronic

Performance Improvement of All-Inorganic, Hole-Transport-Layer-Free Perovskite Solar Cells Through Dipoles-Adjustion by Polyethyleneimine Incorporating

Gang Lu et al.

Summary: Researcher adjusted the conduction band with PEI doping, used carbon as the negative electrode, and successfully prepared all-inorganic perovskite solar cells with improved efficiency. This study provides an effective method for simple, cost-effective design of PSCs.

IEEE ELECTRON DEVICE LETTERS (2021)

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Article Chemistry, Physical

Influence of CsPbBr3/TiO2 interfaces deposited with magnetron sputtering and spin-coating methods on the open voltage deficit and efficiency of all-inorganic CsPbBr3 planar solar cells

Fei Zhao et al.

Summary: The mechanism of open voltage deficit in all-inorganic CsPbBr3 planar solar cell was systematically investigated by depositing TiO2 electron transport layer using magnetron sputtering and spin-coating. The performance enhancement of the device based on MS-TiO2 is attributed to proper Fermi level and high electronic transport capacity with low charge recombination at the CsPbBr3/MS-TiO2 interface. Additionally, unencapsulated all-inorganic planar devices exhibit superior stability when stored at room temperature for two months.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Physical

Low-temperature preparation achieving 10.95%-efficiency of hole-free and carbon-based all-inorganic CsPbI3 perovskite solar cells

Junsen Zhang et al.

Summary: This paper demonstrates the fabrication of hole-free, carbon-based all-inorganic CsPbI3 perovskite solar cells at low temperature, achieving a champion power conversion efficiency of 10.95%. The study also investigates the performance of different ZnO layers and shows the potential for further application in flexible solar cells.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Physical

Crystallization Kinetics Engineering toward High-Performance and Stable CsPbBr3-Based Perovskite Solar Cells

Chengben Liu et al.

Summary: The study introduces a modified two-step spin-coating method to prepare CsPbBr3 films using water as the solvent, achieving a maximum PCE of 9.14% in 15 seconds. The devices also show superior stability with a high fill factor and slightly decreased PCEs under humidity and high temperature conditions during a 30-day aging test.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Improvement of Thiourea (Lewis Base)-Modified SnO2 Electron-Transport Layer for Carbon-Based CsPbIBr2 Perovskite Solar Cells

Qingchen He et al.

Summary: By introducing thiourea into the SnO2 film as a carrier, the nonradiative recombination between CsPbIBr2 layer and ETL was successfully reduced, improving the performance of PSCs.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

MAAc Ionic Liquid-Assisted Defect Passivation for Efficient and Stable CsPbIBr2 Perovskite Solar Cells

Linxing Shi et al.

Summary: Precoating a methylammonium acetate (MAAc) ionic liquid onto a TiO2 layer before depositing CsPbIBr2 film improves the crystal quality and interface contact, reduces defects, suppresses nonradiative recombination, and enhances the photovoltaic conversion efficiency.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Ionic Liquid as an Additive for Two-Step Sequential Deposition for Air-Processed Efficient and Stable Carbon-Based CsPbI2Br All-Inorganic Perovskite Solar Cells

Xiangdong Li et al.

Summary: The CsPbI2Br perovskite solar cells with a carbon-based planar structure achieved an efficiency of 11.2% under ambient conditions with 15% relative humidity, and retained 79.3% of their initial efficiency after aging for 360 hours. The use of methylamine acetate (MAAc) and ethylene glycol improved the crystallization and uniformity of the CsPbI2Br film, allowing for air-processed formation of the film.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Multidisciplinary Sciences

Generic water-based spray-assisted growth for scalable high-efficiency carbon-electrode all-inorganic perovskite solar cells

Zeyang Zhang et al.

Summary: A water-based spray-assisted growth strategy is proposed for preparing large-area all-inorganic perovskite films for perovskite solar cells, showing record-high efficiencies and excellent operational stability. The strategy is also demonstrated to be suitable for preparing various CsPb compounds with outstanding efficiencies for carbon-electrode PSCs.

ISCIENCE (2021)

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Article Chemistry, Multidisciplinary

Fabrication of Porous Lead Bromide Films by Introducing Indium Tribromide for Efficient Inorganic CsPbBr3 Perovskite Solar Cells

Xianwei Meng et al.

Summary: The introduction of InBr3 in the preparation of CsPbBr3 films improved the morphology, charge extraction, and transport capabilities, leading to enhanced performance of CsPbBr3 PSCs. At an optimal InBr3 concentration of 0.21 M, the power conversion efficiency of the InBr3:CsPbBr3 perovskite solar cell reached 6.48%, significantly higher than that of the pristine device.

NANOMATERIALS (2021)

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Article Materials Science, Multidisciplinary

Slow halide exchange in CsPbIBr2 films for high-efficiency, carbon-based, all-inorganic perovskite solar cells

Zeyang Zhang et al.

Summary: The study proposes a slow halide exchange strategy to fine-tune the optical and microstructural characteristics of halide perovskite films, successfully transforming CsPbIBr2 into CsPbI1+xBr2-x films. By controlling the reaction rate through heating, the efficiency of a carbon-based, all-inorganic perovskite solar cell was significantly improved.

SCIENCE CHINA-MATERIALS (2021)

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Article Chemistry, Physical

High-Efficiency (>14%) and Air-Stable Carbon-Based, All-Inorganic CsPbI2Br Perovskite Solar Cells through a Top-Seeded Growth Strategy

Weidong Zhu et al.

Summary: The use of top-seeded solution growth technique in preparing CsPbI2Br films enhances their quality and stability, resulting in improved efficiency and stability of carbon-based, all-inorganic perovskite solar cells.

ACS ENERGY LETTERS (2021)

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Article Energy & Fuels

Fully Inorganic CsSnI3 Mesoporous Perovskite Solar Cells with High Efficiency and Stability via Coadditive Engineering

Huaxia Ban et al.

Summary: The CsSnI3-based inorganic perovskite film, with a small optical bandgap, shows promise as an absorber layer in solar cells. By introducing a coadditive 2-aminopyrazine (APZ) into the precursor solution, formation of the SnF2-APZ complex can effectively suppress oxidation of Sn2+ and enhance device performance. With a printable c-TiO2/m-TiO2/Al2O3/NiO/carbon framework, the CsSnI3-based mesoporous perovskite solar cells achieve a record power conversion efficiency of 5.12%, and maintain an initial efficiency of 92% after 60 days of storage in a N-2-filled glovebox.

SOLAR RRL (2021)

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Article Chemistry, Physical

4-Bromoaniline Passivation for Efficient and Stable All-Inorganic CsPbI2Br Planar Perovskite Solar Cells

Yuzhu Li et al.

Summary: The modification with BrAL can improve the performance of CsPbI2Br solar cells, reduce trap-state density, suppress carrier recombination, and enhance charge transport and collection.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Precise Nucleation Regulation and Defect Passivation for Highly Efficient and Stable Carbon-Based CsPbI2Br Perovskite Solar Cells

Kexiang Wang et al.

Summary: In this study, by carefully selecting appropriate antisolvents and introducing excess PbI2, CsPbI2Br C-PSCs with high PCE and stability were successfully fabricated. The research results provide valuable guidance for the production of low-cost, high-performance, and stable CsPbI2Br C-PSCs.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Commercial Carbon-Based all-Inorganic Perovskite Solar Cells with a High Efficiency of 13.81%: Interface Engineering and Photovoltaic Performance

Ke Wang et al.

Summary: This study successfully enhanced the photovoltaic performance of CsPbI2.25Br0.75 perovskite solar cells by using TiO2 nanorod arrays and cesium acetate modification at the interface of the electron transport layer. The optimization efficiency of the device reached a record-breaking level, emphasizing the critical importance of interface engineering.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Study on the Ion Substitution Mechanism of CsPbIBr2 Films Prepared by a Drop-Coating Method

Li Gong et al.

Summary: This paper investigates the ion substitution mechanism in CsPbIBr2 films prepared by drop-coating method. It is found that the color of the perovskite film changes with different CsI/CsBr methanol solutions drop-coated on the precursor film. The power conversion efficiency (PCE) and short-circuit current density (JSC) of the fabricated solar cells increase with the changing of drop-coating solution, indicating the occurrence of ion substitution throughout the entire perovskite film.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Dielectric Hole Collector toward Boosting Charge Transfer of CsPbBr3 Hybrid Nanogenerator by Coupling Triboelectric and Photovoltaic Effects

Qiyao Guo et al.

Summary: The combination of hole-extraction PDMS-MWCNTs composite film and CsPbBr3 in the fabrication of TENG leads to a significant enhancement of charge quantity through the triboelectric-photovoltaic coupling effect. The best hybrid TENG achieved a dramatically increased transferred charge under illumination compared to the pristine PDMS based TENG, demonstrating a promising conductive triboelectric counterpart for efficient charge separation and extraction towards boosting current density in hybrid triboelectric-photovoltaic devices.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Physics, Applied

An ultraviolet-ozone post-treatment to remove the inherent impurities in all-ambient solution-processed CsPbBr3 perovskite films

Jincheng Li et al.

Summary: This study found that UV ozone post-treatment of CsPbBr3 films can effectively remove harmful impurities, improving performance in optoelectronic devices. X-ray photoelectron spectroscopy measurements revealed that these impurities may originate from organic solvents and adsorbates.

APPLIED PHYSICS LETTERS (2021)

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Article Energy & Fuels

Suppressing the Defects in CsPbI2Br Perovskite Photovoltaic Films via a Homogeneous Cap-Mediated Annealing Strategy

Wenjing Su et al.

Summary: By introducing the homogeneous cap-mediated annealing strategy, the quality of CsPbI2Br perovskite films can be improved, obtaining films with high crystallinity and defect-free surfaces, thereby increasing the power conversion efficiency of perovskite solar cells.

ENERGY & FUELS (2021)

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Article Engineering, Electrical & Electronic

Performance enhancement of all-inorganic carbon-based CsPbI2Br solar cells by using silane modification

Jiatao Yu et al.

Summary: By treating the CsPbI2Br layer with NPTMS, the surface states are passivated and nonradiative recombination is inhibited, resulting in an increase in the power conversion efficiency of the CsPbI2Br perovskite solar cell.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021)

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Article Chemistry, Physical

Influence of Metal-Ion Replacement on the Phase Stabilization of Cubic All-Inorganic Cesium Lead Halide Perovskites: an Ab Initio Thermodynamic Formalism for Solution-Processed Cation Doping

Yun-Hyok Kye et al.

Summary: Inorganic metal halide perovskites show promising prospects in the field of perovskite photovoltaics, with compositional engineering being widely used to improve device performance, particularly the stability of the perovskite phase. The influence of cation doping on the stability of the perovskite cannot be solely explained by the geometrical tolerance factor, emphasizing the complexity of the mechanism behind the effects of metal doping in perovskite materials. Ab initio calculations are used to quantitatively estimate the influence of cation doping on the cubic phase stability of CsPbI3, shedding light on the importance of carefully considering the electropositivity of cation dopants and their substitution probability.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

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Article Engineering, Electrical & Electronic

Research progress of absorber film of inorganic perovskite solar cells: Fabrication techniques and additive engineering in defect passivation

Siqi Han et al.

Summary: This paper explores the defects of inorganic perovskite films, analyzes the impact of preparation techniques on crystallization, discusses passivation strategies for surface defects, and summarizes interface engineering for inorganic perovskite films. Future research focuses on inorganic perovskite solar cells are also discussed.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2021)

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Article Engineering, Electrical & Electronic

Bidentate ligand modified CsPbI2Br quantum dots as an interface for high-performance carbon-based perovskite solar cells

Siqi Han et al.

Summary: In this study, CsPbI2Br QDs were introduced as an interface layer to improve the power conversion efficiency of PSCs by promoting hole extraction and suppressing interfacial recombination through optimized energy level alignment. The QDs-passivated PSC showed significantly enhanced performance and better water resistance compared to PSCs without the QDs layer.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2021)

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Review Materials Science, Multidisciplinary

Carbon-based all-inorganic perovskite solar cells: Progress, challenges and strategies toward 20% efficiency

Chen Dong et al.

Summary: Organic-inorganic hybrid perovskite solar cells show promise as next-generation photovoltaic technology, but face challenges such as thermodynamic instability and constituent migration. C-IPSCs based on cesium lead halide inorganic perovskites and a carbon electrode offer stability, efficiency, and long-term operation, making them the most promising PSC architecture for commercialization.

MATERIALS TODAY (2021)

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Article Energy & Fuels

Magnesium acetate additive enables efficient and stable carbon electrode based CsPbI2Br perovskite solar cells

Kunming Zhang et al.

Summary: A small amount of magnesium acetate was introduced into the CsPbI2Br precursor solution, leading to improved crystallinity and defect passivation, resulting in an increased power conversion efficiency of HTM-free devices from 10.84% to 13.08%.

SOLAR ENERGY (2021)

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Article Chemistry, Applied

Modification of compact TiO2 layer by TiCl4-TiCl3 mixture treatment and construction of high-efficiency carbon-based CsPbI2Br perovskite solar cells

Wenran Wang et al.

Summary: In this study, a facile and effective strategy was developed to modify the TiO2 layer surface using a TiCl4-TiCl3 mixture treatment, resulting in improved efficiency of CsPbI2Br perovskite layer growth and enhanced performance of carbon-based planar PSCs. The champion PSC showed a high PCE of 14.46%, demonstrating one of the highest efficiencies among carbon-based CsPbI2Br PSCs.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Physical

Composition manipulation boosts the efficiency of carbon-based CsPbI3 perovskite solar cells to beyond 14%

Hailiang Wang et al.

Summary: The study systematically investigated the crystallization processes of DMAI-based CsPbI3 perovskite, revealing that DMA ions tend to form DMAPbI(3) and pre-generated Cs4PbI6 plays a crucial role in stabilizing CsPbI3 phase. These findings help enhance the quality of CsPbI3 film and contribute to achieving a record efficiency of 14.6% in carbon-based CsPbI3 PSCs without hole transporter.

NANO ENERGY (2021)

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Article Chemistry, Multidisciplinary

Controlled Growth of Porous InBr3: PbBr2 Film for Preparation of CsPbBr3 in Carbon-Based Planar Perovskite Solar Cells

Kailin Chi et al.

Summary: In this study, InBr3 was introduced into the PbBr2 precursor solution to successfully prepare planar carbon-based CsPbBr3 solar cells with high-quality perovskite film. The porous PbBr2 structure and increasing PbBr2 concentration were found to be beneficial for increasing the CsPbBr3 film thickness and light absorption capacity.

NANOMATERIALS (2021)

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Article Chemistry, Multidisciplinary

Tailored Lattice Tape to Confine Tensile Interface for 11.08%-Efficiency All-Inorganic CsPbBr3 Perovskite Solar Cell with an Ultrahigh Voltage of 1.702 V

Qingwei Zhou et al.

Summary: The authors successfully reduced the superficial lattice tensile strain by incorporating Ti3C2Clx MXene into CsPbBr3 film, leading to improved efficiency of CsPbBr3 all-inorganic PSCs. They achieved a record high efficiency for this type of PSC and demonstrated stable performance under different environmental conditions.

ADVANCED SCIENCE (2021)

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Article Chemistry, Physical

Effect of Side-Group-Regulated Dipolar Passivating Molecules on CsPbBr3 Perovskite Solar Cells

Jialong Duan et al.

Summary: This study demonstrates the importance of regulating the side group of a dipole molecule for interfacial passivation and surface energy level reconstruction of CsPbBr3 perovskite films to achieve efficient hole extraction and improve power conversion efficiency.

ACS ENERGY LETTERS (2021)

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Review Chemistry, Physical

Defects in CsPbX3 Perovskite: From Understanding to Effective Manipulation for High-Performance Solar Cells

Jingru Zhang et al.

Summary: The rapid development of inorganic metal perovskite materials, such as CsPbX3, shows great potential for top-cells in tandem junctions due to their thermal stability and adjustable band gap. However, the efficiency of CsPbX3 perovskite solar cells still needs improvement due to defects. Research on defect passivation in CsPbX3 PSCs is summarized, including discussions on defect physics, tolerance, self-healing, and techniques for defect identification and manipulation for enhancing photoelectric properties.

SMALL METHODS (2021)

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Article Energy & Fuels

Efficient Defect Passivation and Charge Extraction with Hexamethylenetetramine Interface Modification for Hole-Transporting Layers-Free CsPbBr3 Perovskite Solar Cells

Mingran Sun et al.

Summary: In this study, the utilization of HMTA as a surface modifier significantly improved the performance of carbon-based perovskite solar cells by enhancing charge transfer efficiency and stability.

SOLAR RRL (2021)

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Article Energy & Fuels

High-Efficiency Carbon-Based CsPbIBr2 Solar Cells with Interfacial Energy Loss Suppressed by a Thin Bulk-Heterojunction Layer

Deng Wang et al.

Summary: By integrating a thin BHJ layer with CsPbIBr2 perovskite, a carbon-based all-inorganic PSC achieves a much higher champion PCE and improved long-term stability, showing great potential for industrialization.

SOLAR RRL (2021)

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Article Energy & Fuels

Surface Management for Carbon-Based CsPbI2Br Perovskite Solar Cell with 14% Power Conversion Efficiency

Fengyang Yu et al.

Summary: In this study, the use of BMIMBF4 successfully addressed the energy-level mismatch issue between CsPbI2Br and carbon electrodes, resulting in improved power conversion efficiency of C-PSCs and enhanced stability.

SOLAR RRL (2021)

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Article Energy & Fuels

High-Temperature Perovskite Solar Cells

Zijing Dong et al.

Summary: This study successfully fabricated and studied high-temperature perovskite solar cells, demonstrating excellent stability and power conversion efficiency for potential applications in high-temperature fields such as space exploration.

SOLAR RRL (2021)

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Article Chemistry, Physical

Direct Molecule Substitution Enabled Rapid Transformation of Wet PbBr2(DMF) Precursor Films to CsPbBr3 Perovskite

Jiawei Li et al.

Summary: A wet PbBr2(DMF) precursor film was proposed for rapid formation of CsPbBr3 films, improving phase purity, surface coverage, and crystallinity. The best-performance planar carbon-based CsPbBr3 perovskite solar cell achieved a power conversion efficiency of 5.25%, a boost of approximately 100% compared to traditional methods.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Simple and Convenient Interface Modification by Nanosized Diamond for Carbon Based All-Inorganic CsPbIBr2 Solar Cells

Dazheng Chen et al.

Summary: The simple and convenient interface modification using nanosized diamond significantly improved the performance of carbon based all-inorganic CsPbIBr2 planar perovskite solar cells, mainly by enhancing light absorption and reducing carrier recombination.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Carbon-Based Stable CsPbIBr2 Solar Cells with Efficiency of over 10% from Bifunctional Quinoline Sulfate Modification

Deng Wang et al.

Summary: This study proposes a passivation strategy to prepare CsPbIBr2 PSC with high efficiency, long-term stability, and low hysteresis. The effective passivation enhances the humidity resistance of CsPbIBr2 film and the carbon-based PSC without a hole transporter achieves a high PCE.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Surface Reconstruction-Induced Efficient CsPbI2Br Perovskite Solar Cell using Phenylethylammonium Iodide

Yuanchuang Wu et al.

Summary: The presence of defects on the surface of CsPbI2Br perovskite films can lead to inferior power conversion efficiency of solar cells. By coating phenylethylammonium iodide (PEAI) solution onto the surface and annealing, the defect density on the surface can be effectively reduced. In situ characterization shows that the PEAI treatment induces surface crystal reconstruction and decreases trap density, leading to a high power conversion efficiency of 13.38% for the CsPbI2Br perovskite solar cell with a carbon electrode.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Dual-Interface Modification with BMIMPF6 for High-Efficiency and Stable Carbon-Based CsPbI2Br Perovskite Solar Cells

Ran Yin et al.

Summary: This study introduces an ionic liquid to simultaneously modify the interfaces of perovskite solar cells, leading to improved energy level matching and contact, larger grain size of the perovskite film, faster charge transfer, and lower energy loss. The modified devices show increased open-circuit voltage and power conversion efficiency, as well as enhanced stability with 91% of initial efficiency retained after 60 days of storage. This work provides a strategy for efficient and stable perovskite solar cells by optimizing the dual-interface using an ionic liquid.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Green & Sustainable Science & Technology

Defect Passivation of CsPbBr3 with AgBr for High-Performance All-Inorganic Perovskite Solar Cells

Shoulong Chen et al.

Summary: A doping strategy using AgBr added directly to the precursor solution is shown to improve the performance of CsPbBr3-based perovskite solar cells, resulting in enhanced efficiency and long-term stability.

ADVANCED ENERGY AND SUSTAINABILITY RESEARCH (2021)

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Article Chemistry, Multidisciplinary

In situ polymer-covered annealing strategy for high-efficiency carbon-electrode CsPbIBr2 solar cells

Xiaoping Xie et al.

Summary: Through spin-coating PMMA solution on CsPbIBr2 precursor film and optimizing the solution concentration, the crystallization and properties of CsPbIBr2 film can be improved, leading to enhanced efficiency of all-inorganic perovskite solar cells.

NEW JOURNAL OF CHEMISTRY (2021)

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Article Materials Science, Multidisciplinary

Significant performance enhancement of all-inorganic CsPbBr3 perovskite solar cells enabled by Nb-doped SnO2 as effective electron transport layer

Ruxin Guo et al.

Summary: Optimizing Nb-doped SnO2 films as electron transporting layers in CsPbBr3-based perovskite solar cells significantly increased short-circuit current density and power conversion efficiency, leading to improved performance. The benefits of using Nb-doped sputtered SnO2 compared to spin-coated SnO2 include a significant increase in J(sc) and PCE, as well as proven stability in ambient conditions.

ENERGY & ENVIRONMENTAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Enhanced hole extraction by electron-rich alloys in all-inorganic CsPbBr3 perovskite solar cells

Yuanyuan Zhao et al.

Summary: The fabrication of electron-rich Pt3M alloy-tailored carbon electrodes was optimized to maximize hole extraction efficiency in all-inorganic CsPbBr3 perovskite solar cells, resulting in a power conversion efficiency of 9.08% and excellent long-term stability under 80% RH for over 20 days.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Physical

Alkali chloride doped SnO2 electron-transporting layers for boosting charge transfer and passivating defects in all-inorganic CsPbBr3 perovskite solar cells

Guixiang Xie et al.

Summary: The use of alkali chlorides as passivators can improve the efficiency of perovskite solar cells by balancing defects in the electron-transporting layer and the perovskite film. The best device achieved a champion PCE of 10.04% with improved stability, outperforming the reference device with 7.88% efficiency. This strategy shows great promise for the development of highly-efficient PSCs by engineering defects.

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 Chemistry, Multidisciplinary

Cadmium doping for improving the efficiency and stability of carbon-based CsPbIBr2 all-inorganic perovskite solar cells

Rufeng Wang et al.

Summary: Introducing Cd2+ into all-inorganic CsPbIBr2 perovskite improves film crystallinity and morphology, enhancing light absorption and carrier transportation, leading to higher efficiency and stability of solar cells. The low-temperature fabrication process further provides a simple and economical strategy for performance improvement.

NEW JOURNAL OF CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Achieving environment-friendly production of CsPbBr3 films for efficient solar cells via precursor engineering

Xiaobing Cao et al.

Summary: A new environmentally friendly approach has been developed by the research team to prepare high quality CsPbBr3 films using water-soluble precursors and green solvents, resulting in improved power conversion efficiency of solar cells and addressing potential threats of toxic solvents to health and the environment.

GREEN CHEMISTRY (2021)

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Article Engineering, Electrical & Electronic

Carrier Mobility Enhancement in (121)-Oriented CsPbBr3 Perovskite Films Induced by the Microstructure Tailoring of PbBr2 Precursor Films

Xiaopeng Han et al.

Summary: This study successfully obtained (121)-oriented CsPbBr3 perovskite films by tailoring the microstructure of PbBr2 films using HBr additives, resulting in high carrier mobility and improved performance in solar cells. The (121)-oriented CsPbBr3 film showed a 1.68 times higher short-circuit photocurrent density compared to the (101)-oriented film, and the power conversion efficiency increased from 2.56% to 6.91%, highlighting the importance of crystal orientation engineering in perovskite films for high-performance optoelectronic devices.

ACS APPLIED ELECTRONIC MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Direct deposition of Sn-doped CsPbBr3 perovskite for efficient solar cell application

Mukerem Helil Abib et al.

Summary: The study introduces a novel direct deposition approach combined with Sn doping to achieve highly efficient and stable carbon-based Sn-doped CsPbBr3 perovskite solar cells, with improved power conversion efficiency and enhanced stability.

RSC ADVANCES (2021)

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Article Materials Science, Multidisciplinary

Low-Temperature Processed Carbon Electrode-Based Inorganic Perovskite Solar Cells with Enhanced Photovoltaic Performance and Stability

Xin Wu et al.

Summary: By utilizing a facile composition engineering strategy, high-quality perovskite films with large grains and fewer grain boundaries were achieved in this study. This approach led to longer carrier lifetimes, lower energy loss, and improved device performance in carbon-based HTM-free PVSCs. The champion PCE of 12.40% was realized, showcasing one of the highest efficiencies reported for carbon-based all-inorganic PVSCs to date, along with excellent stability demonstrated by the devices.

ENERGY & ENVIRONMENTAL MATERIALS (2021)

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Article Materials Science, Multidisciplinary

Tailoring organic bulk-heterojunction for charge extraction and spectral absorption in CsPbBr3 perovskite solar cells

Jian Du et al.

Summary: Using an organic bulk-heterojunction layer in CsPbBr3 perovskite solar cells has led to a significant efficiency improvement, reaching up to 8.94%. The interaction between the carbonyl group in PCBM and unsaturated Pb atom on the perovskite surface effectively passivates defects and reduces charge recombination.

SCIENCE CHINA-MATERIALS (2021)

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Article Chemistry, Physical

Enhancing the optical, morphological and electronic properties of the solution-processed CsPbIBr2 films by Li doping for efficient carbon-based perovskite solar cells

Xianhua Tan et al.

APPLIED SURFACE SCIENCE (2020)

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Article Chemistry, Physical

All-inorganic, hole-transporting-layer-free, carbon-based CsPbIBr2 planar solar cells with ZnO as electron-transporting materials

Cheng Wang et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Article Chemistry, Physical

Precise stress control of inorganic perovskite films for carbon-based solar cells with an ultrahigh voltage of 1.622 V

Yuanyuan Zhao et al.

NANO ENERGY (2020)

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Review Energy & Fuels

Recent Progress of All-Bromide Inorganic Perovskite Solar Cells

Guoqing Tong et al.

ENERGY TECHNOLOGY (2020)

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Article Nanoscience & Nanotechnology

Water, a Green Solvent for Fabrication of High-Quality CsPbBr3 Films for Efficient Solar Cells

Xiaobing Cao et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Nanoscience & Nanotechnology

Recycling of FTO/TiO2 Substrates: Route toward Simultaneously High-Performance and Cost-Efficient Carbon-Based, All-Inorganic CsPbIBr2 Solar Cells

Weidong Zhu et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Alkyl-Chain-Regulated Charge Transfer in Fluorescent Inorganic CsPbBr3 Perovskite Solar Cells

Jialong Duan et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Engineering, Environmental

Exploration of polymer-assisted crystallization kinetics in CsPbBr3 all-inorganic solar cell

Yingke Ren et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Article Chemistry, Multidisciplinary

Grain Enlargement and Defect Passivation with Melamine Additives for High Efficiency and Stable CsPbBr3 Perovskite Solar Cells

Jingwei Zhu et al.

CHEMSUSCHEM (2020)

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Article Electrochemistry

Vapor-assisted deposition of CsPbIBr2 films for highly efficient and stable carbon-based planar perovskite solar cells with superior Voc

Xingyue Liu et al.

ELECTROCHIMICA ACTA (2020)

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Article Electrochemistry

Flux-mediated growth strategy enables low-temperature fabrication of high-efficiency all-inorganic CsPbIBr2 perovskite solar cells

Weidong Zhu et al.

ELECTROCHIMICA ACTA (2020)

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Article Electrochemistry

Cluster effect of additives in precursors for inorganic perovskites solar cells

Yanhua Wu et al.

ELECTROCHIMICA ACTA (2020)

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Article Chemistry, Physical

Efficient all-inorganic CsPbI2Br perovskite solar cell with carbon electrode by revealing crystallization kinetics and improving crystal quality

Chong Liu et al.

JOURNAL OF POWER SOURCES (2020)

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Article Engineering, Electrical & Electronic

All-inorganic, hole-transporting-layer-free, carbon-based CsPbIBr2 planar perovskite solar cells by a two-step temperature-control annealing process

Cheng Wang et al.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2020)

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Article Energy & Fuels

Unveiling the interfacial charge extraction kinetics in inorganic perovskite solar cells with formamidinium lead halide (FAPbX3) nanocrystals

Jialong Duan et al.

SOLAR ENERGY (2020)

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Review Energy & Fuels

Recent progress on cesium lead/tin halide-based inorganic perovskites for stable and efficient solar cells: A review

Bhaskar Parida et al.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2020)

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Article Energy & Fuels

Enhanced energy level alignment and hole extraction of carbon electrode for air-stable hole-transporting material-free CsPbBr3 perovskite solar cells

Fan Bu et al.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2020)

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Article Energy & Fuels

Universal defects elimination for high performance thermally evaporated CsPbBr3 perovskite solar cells

Tianxing Xiang et al.

SOLAR ENERGY MATERIALS AND SOLAR CELLS (2020)

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Article Chemistry, Physical

Simultaneous Improved Performance and Thermal Stability of Planar Metal Ion Incorporated CsPbI2Br All-Inorganic Perovskite Solar Cells Based on MgZnO Nanocrystalline Electron Transporting Layer

Sawanta S. Mali et al.

ADVANCED ENERGY MATERIALS (2020)

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Review Nanoscience & Nanotechnology

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

Nam-Gyu Park et al.

NATURE REVIEWS MATERIALS (2020)

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Article Chemistry, Multidisciplinary

A Low-Cost and High-Efficiency Integrated Device toward Solar-Driven Water Splitting

Jia Liang et al.

ACS NANO (2020)

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Article Materials Science, Multidisciplinary

Simultaneous Optimization of Phase and Morphology of CsPbBr3 Films via Controllable Ostwald Ripening by Ethylene Glycol Monomethylether/Isopropanol Bi-Solvent Engineering

Qingxiao Meng et al.

ADVANCED ENGINEERING MATERIALS (2020)

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Article Optics

Investigation of CsPbBr3 films with controllable morphology and its influence on the photovoltaic properties for carbon-based planar perovskite solar cells

Fei Zhao et al.

APPLIED OPTICS (2020)

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Article Multidisciplinary Sciences

Curing the fundamental issue of impurity phases in two-step solution-processed CsPbBr3 perovskite films

Jianyong Feng et al.

SCIENCE BULLETIN (2020)

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Article Nanoscience & Nanotechnology

Efficient All-Inorganic CsPbBr3 Perovskite Solar Cells by Using CdS/CdSe/CdS Quantum Dots as Intermediate Layers

Shibing Zou et al.

JOURNAL OF NANOMATERIALS (2020)

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Article Chemistry, Physical

Over 1μm electron-hole diffusion lengths in CsPbI2Br for high efficient solar cells

Ze Wang et al.

JOURNAL OF POWER SOURCES (2020)

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Review Chemistry, Physical

Inorganic Halide Perovskite Solar Cells: Progress and Challenges

Jingjing Tian et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Nanoscience & Nanotechnology

Interfacial Voids Trigger Carbon-Based, All-Inorganic CsPbIBr2 Perovskite Solar Cells with Photovoltage Exceeding 1.33 V

Weidong Zhu et al.

NANO-MICRO LETTERS (2020)

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Article Nanoscience & Nanotechnology

CsPbI2Br Perovskite Solar Cells Based on Carbon Black-Containing Counter Electrodes

Shuiping Gong et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Nanoscience & Nanotechnology

Enhanced Efficiency of Air-Stable CsPbBr3 Perovskite Solar Cells by Defect Dual Passivation and Grain Size Enlargement with a Multifunctional Additive

Wenyu Zhang et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Electrochemistry

Optimizing the substrate pre-heating and post-annealing temperatures for fabricating high-performance carbon-based CsPbIBr2 inorganic perovskite solar cells

Guiqiang Wang et al.

ELECTROCHIMICA ACTA (2020)

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Review Energy & Fuels

Recent Advances in Cs2AgBiBr6-Based Halide Double Perovskites as Lead-Free and Inorganic Light Absorbers for Perovskite Solar Cells

Xiaoqing Yang et al.

ENERGY & FUELS (2020)

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Article Energy & Fuels

Carbon-Based All-Inorganic CsPbI2Br Perovskite Solar Cells Using TiO2 Nanorod Arrays: Interface Modification and the Enhanced Photovoltaic Performance

Wanxian Cai et al.

ENERGY & FUELS (2020)

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Article Chemistry, Multidisciplinary

Charge-Transporting-Layer-Free, Vacuum-Free, All-Inorganic CsPbIBr2Perovskite Solar Cells Via Dipoles-Adjusted Interface

Wentao Zhang et al.

NANOMATERIALS (2020)

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Article Energy & Fuels

All-Inorganic CsPbI2Br Perovskite Solar Cell with Open-Circuit Voltage over 1.3 V by Balancing Electron and Hole Transport

Chong Liu et al.

SOLAR RRL (2020)

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Article Energy & Fuels

Compositional Engineering of Chloride Ion-Doped CsPbBr3Halides for Highly Efficient and Stable All-Inorganic Perovskite Solar Cells

Xueke Li et al.

SOLAR RRL (2020)

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Article Chemistry, Physical

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PbCl2-tuned inorganic cubic CsPbBr3(Cl) perovskite solar cells with enhanced electron lifetime, diffusion length and photovoltaic performance

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