Peripheral halogenation engineering controls molecular stacking to enable highly efficient organic solar cells

Author:

Zou Yalu1ORCID,Chen Hongbin1,Bi Xingqi1,Xu Xiaoyun2,Wang Hebin3,Lin Menglu3,Ma Zaifei2ORCID,Zhang Mingtao1ORCID,Li Chenxi1,Wan Xiangjian1ORCID,Long Guankui34ORCID,Zhaoyang Yao1ORCID,Chen Yongsheng1ORCID

Affiliation:

1. The State Key Laboratory and Institute of Elemento-Organic Chemistry, Centre of Nanoscale Science and Technology, Key Laboratory of Functional Polymer Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, Tianjin 300071, China

2. The State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center of Advanced Low-Dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China

3. The National Institute for Advanced Materials, Renewable Energy Conversion and Storage Center (RECAST), College of Materials Science and Engineering, Nankai University, Tianjin, 300350, China

4. The State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, China

Abstract

The diverse molecular stacking tuned by peripheral halogens in non-fullerene acceptors (NFAs) significantly affects the molecular physicochemical properties, the film morphologies and thus the power conversion efficiencies (PCEs) of organic solar cells (OSCs).

Funder

Higher Education Discipline Innovation Project

National Natural Science Foundation of China

Ministry of Science and Technology of the People's Republic of China

Nankai University

Publisher

Royal Society of Chemistry (RSC)

Subject

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

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