Exfoliated graphitic carbon nitride self-recognizing CH3NH3PbI3 grain boundaries by hydrogen bonding interaction for improved perovskite solar cells

Xiangfeng Wei,Xiaoqian Liu,Han Liu,Shangfeng Yang,Hualing Zeng,Fancheng Meng,Xunyong Lei,Jiehua Liu

Solar Energy（2019）

引用 22|浏览16

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摘要

•Ultrafine E-g-C3N4 is synthesized by H2SO4 intercalation and NH3 stripping.•E-g-C3N4 could self-recognize CH3NH3PbI3 grain boundaries and locate on them.•The power conversion efficiency of 15.8% is achieved for E-g-C3N4 modified PSCs.

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关键词

Perovskite solar cells,Graphitic carbon nitride,Grain boundaries,Self-recognition,Defect passivation

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