New A-A-D-A-A-Type Electron Donors for Small Molecule Organic Solar Cells

被引:66
作者
Lin, Li-Yen
Lu, Chih-Wei
Huang, Wei-Ching
Chen, Yi-Hong
Lin, Hao-Wu [1 ]
Wong, Ken-Tsung
机构
[1] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan
关键词
EFFICIENCY; OLIGOTHIOPHENES; PHOTOVOLTAICS; OLIGOMERS;
D O I
10.1021/ol2021077
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Two A-A-D-A-A-type molecules (BCNDTS and BDCDTS), where two terminal electron-withdrawing cyano or dicyanovinylene moieties are connected to a central dithienosilole core through another electron-accepting 2,1,3-benzothiadiazole block, have been synthesized, characterized, and employed as electron donors for small molecule organic solar cells. Vacuum-deposited bilayer and planar mixed heterojunction devices based on BCNDTS and fullerene acceptors (C-60 or C-70) exhibited decent power conversion efficiencies of 2.3% and 3.7%, respectively.
引用
收藏
页码:4962 / 4965
页数:4
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