Effects of guanidinium cations on structural, optoelectronic and photovoltaic properties of perovskites

Yi Ding,Yan Wu,Ying Tian,Yuzeng Xu,Minna Hou,Bo Zhou,Jingshan Luo,Guofu Hou,Ying Zhao,Xiaodan Zhang

Journal of Energy Chemistry（2021）

引用 20|浏览16

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摘要

Guanidinium cations are intentionally introduced in MAPbI3 perovskite. Modereate GA cation can enhance the device PCE to ~19.2%, while extra GA cation leads to the formation of 2D ACI GAMAPbI4 perovskites.

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关键词

Perovskite solar cell,Guanidinium,DFT calculations,2D perovskite,Phase separation

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