A rare case of iodinated non-fullerene acceptors for high-performance organic solar cells without post-treatments

Author:

Chen Hongbin1,Cao Xiangjian1,Wang Peiran1,Huang Fangfang1,Zhang Yunxin2,Liang Huazhe1,Bi Xingqi1,He Tengfei2,Feng Wanying1,Guo Yaxiao3,Ma Zaifei4ORCID,Long Guankui2ORCID,Yao Zhaoyang1ORCID,Kan Bin2,Li Chenxi1,Wan Xiangjian1ORCID,Chen Yongsheng1ORCID

Affiliation:

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

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

3. State Key Laboratory of Separation Membranes and Membrane Processes, School of Chemistry, Tiangong University, Tianjin 300387, China

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

Abstract

Delicate iodization on the phenazine central unit of CH45 was conducted to enhance noncovalent interactions. As a result, a first-class efficiency of 18.15% was achieved by OSCs without any extra post-treatments.

Funder

National Key Research and Development Program of China

Natural Science Foundation of Tianjin Municipality

National Natural Science Foundation of China

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

Publisher

Royal Society of Chemistry (RSC)

Subject

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

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