Highly efficient and stable air-processed hole-transport-material free carbon based perovskite solar cells with caesium incorporation

Pei Liu; Youning Gong; Yuqing Xiao; Meng Su; Sen Kong; Fei Qi; Huijie Zhang; Shaofu Wang; Xiaohua Sun; Changlei Wang; Xing-Zhong Zhao

doi:10.1039/C8CC08124G

Highly efficient and stable air-processed hole-transport-material free carbon based perovskite solar cells with caesium incorporation†

Pei Liu,^a Youning Gong,

^a Yuqing Xiao,^a Meng Su,^a Sen Kong,^a Fei Qi,^a Huijie Zhang,^a Shaofu Wang,^a Xiaohua Sun,*^b Changlei Wang*^a and Xing-Zhong Zhao

*^a

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* Corresponding authors

^a Key Laboratory of Artificial Micro/Nano Structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, China
E-mail: clwang@whu.edu.cn, xzzhao@whu.edu.cn
Tel: +86-27-8764 2784

^b College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China
E-mail: mksxh@163.com

Abstract

An inorganic caesium cation was incorporated into perovskite to improve the performance and stability of solar cells with a hole-transport-material free structure in ambient air. A triple cation device with a champion power conversion efficiency of over 15% was achieved, exhibiting superior thermal, long-term and operational stabilities.

Chemical Communications

Highly efficient and stable air-processed hole-transport-material free carbon based perovskite solar cells with caesium incorporation†

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Highly efficient and stable air-processed hole-transport-material free carbon based perovskite solar cells with caesium incorporation

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