An isoindigo-based low band gap polymer for efficient polymer solar cells with high photo-voltage

被引:133
作者
Wang, Ergang [1 ]
Ma, Zaifei [2 ]
Zhang, Zhen [1 ]
Henriksson, Patrik [1 ]
Inganas, Olle [2 ]
Zhang, Fengling [2 ]
Andersson, Mats R. [1 ]
机构
[1] Chalmers, Dept Chem & Biol Engn Polymer Technol, SE-41296 Gothenburg, Sweden
[2] Linkoping Univ, IFM, SE-58183 Linkoping, Sweden
关键词
CONVERSION EFFICIENCY; PHOTOVOLTAIC CELLS; PERFORMANCE; HETEROJUNCTIONS; ENERGY;
D O I
10.1039/c1cc11053e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A new low band gap polymer (E(g) = 1.6 eV) with alternating thiophene and isoindigo units was synthesized and characterized. A PCE of 3.0% and high open-circuit voltage of 0.89 V were realized in polymer solar cells, which demonstrated the promise of isoindigo as an electron deficient unit in the design of donor-acceptor conjugated polymers for polymer solar cells.
引用
收藏
页码:4908 / 4910
页数:3
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