Issue 91, 2022
From the journal:

Chemical Communications

In situ lead oxysalt passivation layer for stable and efficient perovskite solar cells†

Wenjing Hou, ORCID logo *a   Mengna Guo,a   Yunzhen Chang,a   Sheng Zhu,a   Huan Bi, ORCID logo *b   Qing Shen, ORCID logo b   Yaoming Xiaoc  and  Gaoyi Han ORCID logo *a  

* Corresponding authors

a Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of Education Ministry, Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Shanxi University, Taiyuan 030006, P. R. China
E-mail: han_gaoyis@sxu.edu.cn, wjhou2016@sohu.com

b Faculty of Informatics and Engineering, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
E-mail: hbi.trans.sci@uec.ac.jp

c College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou 362000, P. R. China

Abstract

A Rb2SO4 additive is employed to passivate the Pb2+ defects in a perovskite film by forming PbSO4in situ, which can cover the surface and grain boundaries of the perovskite to ensure that the film is not decomposed by moisture. Finally, a device based on the Rb2SO4 modification achieved an enhanced power conversion efficiency (22.25%) and long-term stability.

Graphical abstract: In situ lead oxysalt passivation layer for stable and efficient perovskite solar cells

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Article information

DOI
https://doi.org/10.1039/D2CC04976G
Article type
Communication
Submitted
08 Sep 2022
Accepted
20 Oct 2022
First published
20 Oct 2022

Chem. Commun., 2022,58, 12708-12711

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In situ lead oxysalt passivation layer for stable and efficient perovskite solar cells

W. Hou, M. Guo, Y. Chang, S. Zhu, H. Bi, Q. Shen, Y. Xiao and G. Han, Chem. Commun., 2022, 58, 12708 DOI: 10.1039/D2CC04976G

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