Spray reaction prepared FA1−xCsxPbI3 solid solution as a light harvester for perovskite solar cells with improved humidity stability

Xiang Xia; Wenyi Wu; Hongcui Li; Bo Zheng; Yebin Xue; Jing Xu; Dawei Zhang; Chunxiao Gao; Xizhe Liu

doi:10.1039/C5RA23359C

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Spray reaction prepared FA_1−xCs_xPbI₃ solid solution as a light harvester for perovskite solar cells with improved humidity stability†

Xiang Xia,^a Wenyi Wu,^b Hongcui Li,^a Bo Zheng,^a Yebin Xue,^a Jing Xu,^a Dawei Zhang,^a Chunxiao Gao^b and Xizhe Liu*^a

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* Corresponding authors

^a Institute of Atomic and Molecular Physics, Jilin Provincial Key Laboratory of Applied Atomic and Molecular Spectroscopy, Jilin University, Changchun, China
E-mail: liu_xizhe@jlu.edu.cn

^b State Key Laboratory for Superhard Materials, Jilin University, Changchun, China

Abstract

FA_1−xCs_xPbI₃ solid solution films are prepared as light harvesters for perovskite solar cells by a spray reaction. Cs⁺ ions can improve the quality of the light harvester film, and the average PCE of devices increases from 11.3% for FAPbI₃ to 14.2% for FA_0.9Cs_0.1PbI₃. Moreover, FA_0.9Cs_0.1PbI₃-based devices exhibit remarkable improvement on humidity stability.

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Article information

DOI: https://doi.org/10.1039/C5RA23359C
Article type: Communication
Submitted: 06 Nov 2015
Accepted: 26 Jan 2016
First published: 28 Jan 2016

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RSC Adv., 2016,6, 14792-14798

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Spray reaction prepared FA_1−xCs_xPbI₃ solid solution as a light harvester for perovskite solar cells with improved humidity stability

X. Xia, W. Wu, H. Li, B. Zheng, Y. Xue, J. Xu, D. Zhang, C. Gao and X. Liu, RSC Adv., 2016, 6, 14792 DOI: 10.1039/C5RA23359C

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