Robust hole transport material with interface anchors enhances the efficiency and stability of inverted formamidinium-cesium perovskite solar cells with a certified efficiency of 22.3%

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High-Performance Ternary Perovskite-Organic Solar Cells

Tao Zhu et al.

Summary: By incorporating n-type, low-optical-gap conjugated organic molecules into 2D:3D mixed perovskite composites, the performance and stability of perovskite solar cells can be improved.

ADVANCED MATERIALS (2022)

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Extraction of copper, zinc and cadmium from copper-cadmium-bearing slag by oxidative acid leaching process

Meng Li et al.

Summary: An intensified oxidative acid leaching of copper-cadmium-bearing slag using activated carbon as oxygen carrier was investigated to achieve high leaching rates. The study found that cadmium and zinc leaching rates exceeded 99% in a short time, while copper required optimized leaching parameters to achieve 99% leaching rate.

RARE METALS (2021)

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Article Chemistry, Multidisciplinary

Buried Interfaces in Halide Perovskite Photovoltaics

Xiaoyu Yang et al.

Summary: Research has shown that losses at buried interfaces in perovskite photovoltaics are mainly caused by sub-microscale extended imperfections and lead-halide inhomogeneities, which are major obstacles to improving device performance. By utilizing passivation molecules for microstructural reconstruction, these losses can be significantly reduced, unlocking the full potential for enhancing device performance.

ADVANCED MATERIALS (2021)

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Article Multidisciplinary Sciences

Anomalous collapses of Nares Strait ice arches leads to enhanced export of Arctic sea ice

G. W. K. Moore et al.

Summary: Ice arches at the northern and southern ends of Nares Strait, a key passage in the Arctic, are forming for shorter durations, leading to increased ice transport and accelerating the export of multi-year ice.

NATURE COMMUNICATIONS (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, Physical

High-Efficiency and Durable Inverted Perovskite Solar Cells with Thermally-Induced Phase-Change Electron Extraction Layer

Xin Li et al.

Summary: By utilizing the unique metal-to-insulator transition characteristics of vanadium dioxide, this study introduces a new approach to improve the device performance of perovskite solar cells, achieving a power conversion efficiency of up to 22.11% in optimized conditions. Additionally, the VO2-based PSCs exhibit enhanced efficiency over 23% at high temperatures and superior thermal stability, showcasing the potential of thermally-induced phase-transition materials for efficient and durable perovskite photovoltaics.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Comprehensive passivation strategy for achieving inverted perovskite solar cells with efficiency exceeding 23% by trap passivation and ion constraint

Fan Zhang et al.

Summary: The study demonstrates a comprehensive passivation strategy for achieving high-performance inverted PSCs by reducing trap density at interfaces and grain boundaries of the perovskite active layer. The unencapsulated PSCs from this passivation strategy achieved the highest power conversion efficiency of 23.33% with remarkable long-term stability under illumination and humidity. The work also presents an original method using C-V and DLCP measurements to analyze trap density distribution and ion accumulation density at interfaces of PSCs.

NANO ENERGY (2021)

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Article Multidisciplinary Sciences

23.7% Efficient inverted perovskite solar cells by dual interfacial modification

Matteo Degani et al.

Summary: This study presents a dual interfacial modification approach by incorporating large organic cations at both the bottom and top interfaces of the perovskite active layer, leading to simultaneous improvement in both open-circuit voltage and fill factor of the devices, reaching a champion device efficiency of 23.7%. This dual interfacial modification is fully compatible with bulk modification of the perovskite active layer by ionic liquids, resulting in efficient and stable inverted architecture devices.

SCIENCE ADVANCES (2021)

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Article Multidisciplinary Sciences

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

Jaeki Jeong et al.

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

NATURE (2021)

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Article Multidisciplinary Sciences

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

Zhenghong Dai et al.

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

SCIENCE (2021)

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Article Multidisciplinary Sciences

Slot-die coating large-area formamidinium-cesium perovskite film for efficient and stable parallel solar module

Zhichun Yang et al.

Summary: This study utilized diphenyl sulfoxide (DPSO) additive to enhance the efficiency and stability of perovskite solar cells, resulting in the successful fabrication of high-efficiency solar modules.

SCIENCE ADVANCES (2021)

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Article Multidisciplinary Sciences

Stabilizing perovskite-substrate interfaces for high-performance perovskite modules

Shangshang Chen et al.

Summary: The study found that DMSO liquid additive trapped in perovskite-substrate interfaces during film formation led to voids, accelerating film degradation. Partial replacement of DMSO with solid-state carbohydrazide reduced interfacial voids and increased stability. Blade-coated p-i-n structure PSCs achieved a maximum PCE of 23.6% without efficiency loss after stability tests, demonstrating improved efficiency and stability with the new approach.

SCIENCE (2021)

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Article Chemistry, Physical

Interfacial Defect Passivation and Stress Release via Multi-Active-Site Ligand Anchoring Enables Efficient and Stable Methylammonium-Free Perovskite Solar Cells

Baibai Liu et al.

Summary: The modification of perovskite films with the multi-active-site Lewis base ligand MTDAA effectively reduces defect density, increases carrier lifetime, and almost completely releases interfacial residual stress. The PCE is boosted after MTDAA modification, and the devices maintain high stability after aging tests.

ACS ENERGY LETTERS (2021)

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Article Energy & Fuels

Defect compensation in formamidinium-caesium perovskites for highly efficient solar mini-modules with improved photostability

Yehao Deng et al.

Summary: The addition of excessive AX in formamidinium-caesium mixed-cation perovskites improves their photostability by compensating iodide vacancies and suppressing ion migration and defects generation during long-term illumination. This approach impedes the generation of hole traps and phase segregation, ultimately enhancing the stability and efficiency of the perovskite mini-modules.

NATURE ENERGY (2021)

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Improved open-circuit voltage and ambient stability of CsPbI2Br perovskite solar cells by incorporating CH3NH3Cl

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RARE METALS (2020)

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Consensus statement for stability assessment and reporting for perovskite photovoltaics based on ISOS procedures

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NATURE ENERGY (2020)

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Managing grains and interfaces via ligand anchoring enables 22.3%-efficiency inverted perovskite solar cells

Xiaopeng Zheng et al.

NATURE ENERGY (2020)

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Graded 2D/3D Perovskite Heterostructure for Efficient and Operationally Stable MA-Free Perovskite Solar Cells

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ADVANCED MATERIALS (2020)

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How far are we from attaining 10-year lifetime for metal halide perovskite solar cells?

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

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A piperidinium salt stabilizes efficient metal-halide perovskite solar cells

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Barrier Designs in Perovskite Solar Cells for Long-Term Stability

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Regulating Surface Termination for Efficient Inverted Perovskite Solar Cells with Greater Than 23% Efficiency

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Stable perovskite solar cells with efficiency exceeding 24.8% and 0.3-V voltage loss

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A chemically inert bismuth interlayer enhances long-term stability of inverted perovskite solar cells

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Efficient and Stable Chemical Passivation on Perovskite Surface via Bidentate Anchoring

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

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Robust hole transport material with interface anchors enhances the efficiency and stability of inverted formamidinium-cesium perovskite solar cells with a certified efficiency of 22.3%

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