Design and Synthesis of a Low Bandgap Small Molecule Acceptor for Efficient Polymer Solar Cells

被引：435
|
作者：
Yao, Huifeng [1 ,2 ]
Chen, Yu [1 ,3 ]
Qin, Yunpeng [1 ,2 ]
Yu, Runnan [1 ,2 ]
Cui, Yong [1 ,2 ]
Yang, Bei [1 ,2 ]
Li, Sunsun [1 ,2 ]
Zhang, Kai [1 ]
Hou, Jianhui [1 ,2 ]
机构：
[1] Chinese Acad Sci, Beijing Natl Lab Mol Sci, State Key Lab Polymer Phys & Chem, Inst Chem, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Natl Ctr Nanosci & Technol, Key Lab Nanosyst & Hierarch Fabricat, Beijing 100190, Peoples R China
来源：
ADVANCED MATERIALS | 2016年 / 28卷 / 37期
关键词：
low bandgap; molecular design; non-fullerene acceptors; polymer solar cells; POWER CONVERSION EFFICIENCY; HIGH-PERFORMANCE; ELECTRON-ACCEPTOR; CONJUGATED POLYMERS; ENERGY-LOSSES; FULLERENE; DONOR; ABSORPTION; PHOTOVOLTAICS; ALKYLTHIO;
D O I：
10.1002/adma.201602642
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel non-fullerene acceptor, possessing a very low bandgap of 1.34 eV and a high-lying lowest unoccupied molecular orbital level of -3.95 eV, is designed and synthesized by introducing electron-donating alkoxy groups to the backbone of a conjugated small molecule. Impressive power conversion efficiencies of 8.4% and 10.7% are obtained for fabricated single and tandem polymer solar cells.
引用
收藏
页码：8283 / 8287
页数：5
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