Synergistic surface modulation with isotropic 2D GA2PbI4 and Lewis base enhances efficiency and stability of perovskite solar cells

Author:

Song Peiquan1,Shen Lina1,Zheng Lingfang1,Hou Enlong1,Xu Peng1,Yang Jinxin1,Tian Chengbo1ORCID,Wei Zhanhua1ORCID,Zhang Xiaguang2ORCID,Xie Liqiang1ORCID

Affiliation:

1. Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Institute of Luminescent Materials and Information Displays, College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China

2. Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, College of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453007, China

Abstract

Guanidinium acetate (GAAc) was applied to treat a perovskite film for fabricating n–i–p perovskite solar cells. The synergistic effect of GA+ and Ac on regulating the perovskite surface enabled high-efficiency and stable perovskite solar cells.

Funder

Science Fund for Distinguished Young Scholars of Fujian Province

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

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