Natural Chlorophyll Derivative Assisted Defect Passivation and Hole Extraction for MAPbI3 Perovskite Solar Cells with Efficiency Exceeding 20%

Article Chemistry, Multidisciplinary

Donor-π-Acceptor Type Porphyrin Derivatives Assisted Defect Passivation for Efficient Hybrid Perovskite Solar Cells

Chi-Lun Mai et al.

Summary: The results of the study demonstrate that D-pi-A type porphyrin derivatives are promising passivators for improving the cell performance of PSCs.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

High-Efficiency Perovskite Solar Cells with Imidazolium-Based Ionic Liquid for Surface Passivation and Charge Transport

Xuejie Zhu et al.

Summary: In this study, DMIMPF6 ionic liquid was used to passivate surface defects of perovskite, resulting in increased solar cell efficiency and enhanced long-term stability of the device.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (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 Chemistry, Multidisciplinary

Synergistic Effect of Fluorinated Passivator and Hole Transport Dopant Enables Stable Perovskite Solar Cells with an Efficiency Near 24%

Hongwei Zhu et al.

Summary: The study introduces a trifluoromethylation strategy using TFMBAI and TFP as additives to improve the PCE and moisture resistance of PSCs. By surface treating the perovskite with TFMBAI and adding TFP to the HTL, the PSCs achieved a higher efficiency and improved durability against moisture attack.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Engineering, Environmental

Passivation functionalized phenothiazine-based hole transport material for highly efficient perovskite solar cell with efficiency exceeding 22%

Xingdong Ding et al.

Summary: In this study, two new hole transport materials based on phenothiazine core building blocks were reported for use in highly efficient perovskite solar cells (PSC). The results demonstrated that the PTZ-Py material exhibited excellent performance in modifying perovskite surface defects, improving electronic properties, and stability in PSCs.

CHEMICAL ENGINEERING JOURNAL (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

Stabilizing black-phase formamidinium perovskite formation at room temperature and high humidity

Wei Hui et al.

Summary: A new method for synthesizing stable black-phase formamidinium lead iodide (α-FAPbI(3)) was reported, which enables the stable synthesis of α-FAPbI(3) under high temperature and humidity conditions, and maintains high efficiency under light stress.

SCIENCE (2021)

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Review Chemistry, Physical