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J Am Chem Soc. 2016 Mar 9;138(9):2973-6. doi: 10.1021/jacs.6b00853. Epub 2016 Mar 1.

A Facile Planar Fused-Ring Electron Acceptor for As-Cast Polymer Solar Cells with 8.71% Efficiency.

Author information

1
Department of Materials Science and Engineering, College of Engineering, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking University , Beijing 100871, China.
2
Department of Chemistry, Capital Normal University , Beijing 100048, China.
3
Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China.
4
Heeger Beijing Research and Development Center, School of Chemistry and Environment, Beihang University , Beijing 100191, China.
5
Department of Physics, The Chinese University of Hong Kong , New Territories, Hong Kong, China.
6
National Synchrotron Radiation Research Center , 101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu, Taiwan 30076, China.

Abstract

A planar fused-ring electron acceptor (IC-C6IDT-IC) based on indacenodithiophene is designed and synthesized. IC-C6IDT-IC shows strong absorption in 500-800 nm with extinction coefficient of up to 2.4 × 10(5) M(-1) cm(-1) and high electron mobility of 1.1 × 10(-3) cm(2) V(-1) s(-1). The as-cast polymer solar cells based on IC-C6IDT-IC without additional treatments exhibit power conversion efficiencies of up to 8.71%.

PMID:
26909887
DOI:
10.1021/jacs.6b00853

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