Asymmetric nonfullerene acceptors with isomeric trifluorobenzene-substitution for high-performance organic solar cells

Author:

Li Zhengkai1,Xu Zheng'ao1,Chen Shanshan2,Yao Jia1,Fu Hongyuan1,Zhang Ming1,Bai Yang1,Wang Haiqiao3ORCID,Liu Zitong4ORCID,Zhang Zhi-Guo1ORCID

Affiliation:

1. State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China

2. MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering, Chongqing University, Chongqing 400044, China

3. Beijing Engineering Research Center for the Synthesis and Applications of Waterborne Polymers, Beijing University of Chemical Technology, Beijing 100029, China

4. State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China

Abstract

By alternating the substituted position in the terminal end group, two asymmetric non-fullerene acceptor isomers are designed, showing a better device performance for the γ-substituted fashion.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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