Revealing superoxide-induced degradation in lead-free tin perovskite solar cells

Article Nanoscience & Nanotechnology

Hot-Air Treatment-Regulated Diffusion of LiTFSI to Accelerate the Aging-Induced Efficiency Rising of Perovskite Solar Cells

Zhihao Zhang et al.

Summary: This study investigates the effects of temperature and humidity on perovskite solar cells and develops a hot-air treatment method to improve device efficiency and reduce photocurrent hysteresis.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Rear Interface Engineering to Suppress Migration of Iodide Ions for Efficient Perovskite Solar Cells with Minimized Hysteresis

Qiu Xiong et al.

Summary: Accurate interface engineering plays a crucial role in perovskite solar cells, with the introduction of an NdCl3 interface layer effectively inhibiting iodide ion migration pathway, leading to improved device performance and stability.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Physical

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

Jesus Sanchez-Diaz et al.

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

JOULE (2022)

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Article Chemistry, Physical

Stable 24.29%-Efficiency FA0.85MA0.15PbI3 Perovskite Solar Cells Enabled by Methyl Haloacetate-Lead Dimer Complex

Sheng Zhan et al.

Summary: In this study, a bifunctional passivator, MBrA, was designed and used to modify FAMAPbI(3) perovskite material, reducing defect density, tuning energy levels, and improving the efficiency and stability of the solar cell.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Surface Polarity Regulation by Relieving Fermi-Level Pinning with Naphthalocyanine Tetraimides toward Efficient Perovskite Solar Cells with Improved Photostability

Qin Zhou et al.

Summary: By using a novel semiconductive material and a newly proposed photon-relaxation mechanism, the trap states at the surface of perovskite solar cells can be reduced, leading to improved performance and stability.

ADVANCED ENERGY MATERIALS (2022)

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Article Energy & Fuels

A universal close-space annealing strategy towards high-quality perovskite absorbers enabling efficient all-perovskite tandem solar cells

Changlei Wang et al.

Summary: A universal close-space annealing strategy is developed to improve the structural and optoelectronic quality of perovskite films, leading to the fabrication of efficient perovskite solar cells and all-perovskite tandem solar cells.

NATURE ENERGY (2022)

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Article Materials Science, Multidisciplinary

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

Jianheng Zhou et al.

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

MATTER (2022)

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Review Chemistry, Multidisciplinary

A Review on Scaling Up Perovskite Solar Cells

Daiyu Li et al.

Summary: This paper reviews the recent progress on scaling up perovskite solar cells and discusses the design and fabrication of efficient perovskite solar modules. It summarizes various scalable methods for large-area uniform perovskite films, potential charge transport materials, electrode materials, and encapsulation techniques. Additionally, the cost and environmental impact of perovskite solar modules are outlined.

ADVANCED FUNCTIONAL MATERIALS (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 Chemistry, Multidisciplinary

Dually-Passivated Perovskite Solar Cells with Reduced Voltage Loss and Increased Super Oxide Resistance

Qin Zhou et al.

Summary: In recent years, the power conversion efficiency of perovskite solar cells has rapidly improved, but defects at the grain boundaries and surfaces remain a challenge. A dual-passivation strategy effectively reduces defect density, enhancing device performance and stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Chemistry, Multidisciplinary

Tin Oxide Electron-Selective Layers for Efficient, Stable, and Scalable Perovskite Solar Cells

Cesur Altinkaya et al.

Summary: Tin oxide (SnO2) has emerged as a promising alternative to electron-selective layers (ESLs) in perovskite solar cells (PSCs), offering advantages such as high optical transmission, high carrier mobility, and low-temperature processability. It has the potential to play a key role in large-scale deployment and manufacturing.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Efficient Electron Transport Layer Free Small-Molecule Organic Solar Cells with Superior Device Stability

Haijun Bin et al.

Summary: In this study, a new small-molecule electron donor (H31) was designed and synthesized, which, when blended with the electron acceptor Y6, resulted in solar cells with power conversion efficiencies exceeding 13% with or without the ETL PDINO. The ETL-free cells showed superior shelf life compared to devices with an ETL, suggesting that small-molecule donor-acceptor blends offer interesting prospects for achieving efficient, reproducible, and stable device architectures.

ADVANCED MATERIALS (2021)

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Article Chemistry, Physical

Preventing Superoxide Generation on Molecule-Protected CH3NH3PbI3 Perovskite: A Time-Domain Ab Initio Study

Jinlu He et al.

Summary: By introducing perylene diimide into metal halide perovskite system, a midgap state is created that can rapidly capture photogenerated electrons, avoiding the formation of superoxide and enhancing stability. This fast electron trapping is due to strong nonadiabatic coupling and a small energy gap between the PDI midgap state and the perovskite conduction band minimum.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

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Article Multidisciplinary Sciences

Efficient perovskite solar cells via improved carrier management

Jason J. Yoo et al.

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

NATURE (2021)

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Article Chemistry, Multidisciplinary

Suppression of Nonradiative Recombination by Vacuum-Assisted Process for Efficient Lead-Free Tin Perovskite Solar Cells

Zhenxi Wan et al.

Summary: The study reports a strategy of vacuum-assisted treatment of the Sn perovskite layer to self-heal defects in Sn perovskite, resulting in improved PCE, V-OC, and FF of Sn-based PVSCs. This work suggests a facile approach to inhibit defects in Sn-based devices, promoting the development of highly efficient Sn-based PVSCs.

ADVANCED MATERIALS INTERFACES (2021)

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Article Chemistry, Physical

Suppression of Sn2+/Sn4+ oxidation in tin-based perovskite solar cells with graphene-tin quantum dots composites in active layer

Tahmineh Mahmoudi et al.

Summary: By incorporating a composite of reduced graphene oxide and Sn quantum dots into the active layer, the proposed approach successfully suppresses Sn2+/Sn4+ oxidation and recombination, leading to increased efficiency and improved stability of tin halide perovskite solar cells.

NANO ENERGY (2021)

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Article Chemistry, Multidisciplinary

Marked Passivation Effect of Naphthalene-1,8-Dicarboximides in High-Performance Perovskite Solar Cells

Zhihao Zhang et al.

Summary: This study uses two structurally similar polyaromatic molecules to improve the lifetime and efficiency of perovskite solar cells, successfully designing a more effective passivator and achieving higher device efficiency.

ADVANCED MATERIALS (2021)

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Article Chemistry, Physical

Unveiling Roles of Tin Fluoride Additives in High-Efficiency Low-Bandgap Mixed Tin-Lead Perovskite Solar Cells

Qiyu Chen et al.

Summary: This study reveals the roles of SnF2 in low-bandgap mixed tin-lead perovskite films and efficient devices, including regulating growth mode, preventing oxidation, reducing defects, and improving carrier lifetime.

ADVANCED ENERGY MATERIALS (2021)

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Article Materials Science, Multidisciplinary

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

Chengbo Wang et al.

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

MATTER (2021)

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Article Multidisciplinary Sciences

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

Zhenyi Ni et al.

SCIENCE (2020)

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Review Chemistry, Multidisciplinary

Perovskite-Based Tandem Solar Cells: Get the Most Out of the Sun

Zhihao Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Nanoscience & Nanotechnology

NdCl3 Dose as a Universal Approach for High-Efficiency Perovskite Solar Cells Based on Low-Temperature-Processed SnOx

Qiu Xiong et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Why Oxygen Increases Carrier Lifetimes but Accelerates Degradation of CH3NH3PbI3 under Light Irradiation: Time-Domain Ab Initio Analysis

Jinlu He et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Engineering, Chemical

Interfacial engineering in lead-free tin-based perovskite solar cells

Zhenxi Wan et al.

Journal of Energy Chemistry (2020)

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Review Chemistry, Physical

Tin-Based Defects and Passivation Strategies in Tin-Related Perovskite Solar Cells

Bo Li et al.

ACS ENERGY LETTERS (2020)

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Review Chemistry, Multidisciplinary

Towards commercialization: the operational stability of perovskite solar cells

Nengxu Li et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Article Chemistry, Multidisciplinary

Superoxide/Peroxide Chemistry Extends Charge Carriers' Lifetime but Undermines Chemical Stability of CH3NH3PbI3 Exposed to Oxygen: Time-Domain ab Initio Analysis

Jinlu He et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Chemistry, Physical

Role of GeI2 and SnF2 additives for SnGe perovskite solar cells

Chi Huey Ng et al.

NANO ENERGY (2019)

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Review Chemistry, Multidisciplinary

Interface Engineering in Tin Perovskite Solar Cells

Weiyin Gao et al.

ADVANCED MATERIALS INTERFACES (2019)

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Review Chemistry, Multidisciplinary

On the Current-Voltage Hysteresis in Perovskite Solar Cells: Dependence on Perovskite Composition and Methods to Remove Hysteresis

Dong-Ho Kong et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Multidisciplinary

Imperfections and their passivation in halide perovskite solar cells

Bo Chen et al.

CHEMICAL SOCIETY REVIEWS (2019)

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Review Chemistry, Multidisciplinary

Lead-Free Hybrid Perovskite Absorbers for Viable Application: Can We Eat the Cake and Have It too?

Lusheng Liang et al.

ADVANCED SCIENCE (2018)

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Article Chemistry, Physical

Reducing Carrier Density in Formamidinium Tin Perovskites and Its Beneficial Effects on Stability and Efficiency of Perovskite Solar Cells

Seon Joo Lee et al.

ACS ENERGY LETTERS (2018)

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Article Chemistry, Multidisciplinary

Slow surface passivation and crystal relaxation with additives to improve device performance and durability for tin-based perovskite solar cells

Efat Jokar et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Chemistry, Physical

How Methylammonium Cations and Chlorine Dopants Heal Defects in Lead Iodide Perovskites

Guangjun Nan et al.

ADVANCED ENERGY MATERIALS (2018)

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Review Chemistry, Multidisciplinary

Stability of Perovskite Solar Cells: A Prospective on the Substitution of the ACation and XAnion

Ze Wang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2017)

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Article Multidisciplinary Sciences

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

Nicholas Aristidou et al.

NATURE COMMUNICATIONS (2017)

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Article Energy & Fuels

Defect passivation in hybrid perovskite solar cells using quaternary ammonium halide anions and cations

Xiaopeng Zheng et al.

NATURE ENERGY (2017)

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Review Chemistry, Physical

Recent Advances in Improving the Stability of Perovskite Solar Cells

Nguyen Huy Tiep et al.

ADVANCED ENERGY MATERIALS (2016)

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Article Chemistry, Multidisciplinary

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

Weiqiang Liao et al.

ADVANCED MATERIALS (2016)

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Article Chemistry, Multidisciplinary

Light and oxygen induced degradation limits the operational stability of methylammonium lead triiodide perovskite solar cells

Daniel Bryant et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

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Article Chemistry, Physical

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

Jin-Wook Lee et al.

ADVANCED ENERGY MATERIALS (2015)

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Article Chemistry, Physical

Intrinsic Thermal Instability of Methylammonium Lead Trihalide Perovskite

Bert Conings et al.

ADVANCED ENERGY MATERIALS (2015)

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Review Chemistry, Multidisciplinary

Organohalide lead perovskites for photovoltaic applications

Peng Gao et al.

ENERGY & ENVIRONMENTAL SCIENCE (2014)

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Article Chemistry, Physical

Effects of Surface Blocking Layer of Sb2S3 on Nanocrystalline TiO2 for CH3NH3PbI3 Perovskite Solar Cells

Seigo Ito et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2014)

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Article Chemistry, Multidisciplinary

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

Jarvist M. Frost et al.

NANO LETTERS (2014)

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Review Optics

The emergence of perovskite solar cells

Martin A. Green et al.

NATURE PHOTONICS (2014)

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Article Physics, Applied

Investigation of defects by admittance spectroscopy measurements in poly (3-hexylthiophene):(6,6)-phenyl C61-butyric acid methyl ester organic solar cells degraded under air exposure

Samira Khelifi et al.

JOURNAL OF APPLIED PHYSICS (2011)

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Revealing superoxide-induced degradation in lead-free tin perovskite solar cells

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