Gelation of Hole Transport Layer to Improve the Stability of Perovskite Solar Cells

Ying Zhang,Chenxiao Zhou,Lizhi Lin,Fengtao Pei,Mengqi Xiao,Xiaoyan Yang,Guizhou Yuan,Cheng Zhu,Yu Chen,Qi Chen

Nano-micro letters（2023）

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摘要

Highlights The gelation of hole transport layer generates a dense and uniform hole transport layer film and significantly inhibits the aggregation of lithium bis(trifluoromethane sulfonyl)imide in spiro-OMeTAD. The gelated hole transport layer confers enhanced charge carrier transport and better humidity and operational stability of perovskite solar cells.

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关键词

Perovskite solar cell, Hole transport layer, Gelation, Humidity stability, Aggregation of LiTFSI

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