Elimination of charge accumulation by a self-assembled cocrystal interlayer for efficient and stable perovskite solar cells

Author:

Wang Xueying1,Zhong Yang1,Luo Xiao1,Sheng Wangping1,Yang Jia2,Tan Licheng13ORCID,Chen Yiwang1243ORCID

Affiliation:

1. College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC)/Jiangxi Provincial Key Laboratory of New Energy Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China

2. National Engineering Research Center for Carbohydrate Synthesis/Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang 330022, China

3. Peking University Yangtze Delta Institute of Optoelectronics, Nantong 226010, China

4. College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China

Abstract

A SAM-CL has been introduced in n–i–p perovskite solar cells to optimize interfacial energy level arrangement and eliminate interfacial charge accumulation. The large pyrene rings and F atoms of SAM-CL inhibit severe ion migration and moisture erosion, thus improving device stability.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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