Grain Boundaries Contribute to the Performance of Perovskite Solar Cells by Promoting Charge Separations

Grain Boundaries Contribute to the Performance of Perovskite Solar Cells by Promoting Charge Separations

Highlights Sub-micrometer-resolved photocurrent mapping in operational perovskite solar cells, achieved through our home-built photoluminescence and photocurrent imaging microscopy, reveals enhanced photocurrent at grain boundaries compared to grain interiors. Local pump-probe femtosecond transient...

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Bibliographic Details
Main Authors: Peng Xu, Pengfei Wang, Minhuan Wang, Fengke Sun, Jing Leng, Yantao Shi, Shengye Jin, Wenming Tian
Format: Article
Language:English
Published: SpringerOpen 2025-06-01
Series:Nano-Micro Letters
Subjects:
Perovskite solar cells
Grain boundary
Photocurrent mapping
Stark effect
Carrier dynamics
Online Access:https://doi.org/10.1007/s40820-025-01795-0
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