Positional effects of fluorination in conjugated side chains on photovoltaic properties of donor-acceptor copolymers

被引：32
|
作者：
Shin, Jisoo [1 ]
Kim, Min [1 ]
Lee, Jaewon [1 ]
Kim, Heung Gyu [1 ]
Hwang, Hyeongjin [1 ]
Cho, Kilwon [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Chem Engn, Pohang 790784, South Korea
来源：
CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 06期
关键词：
ORGANIC SOLAR-CELLS; POLYMER; MORPHOLOGY; EFFICIENCY;
D O I：
10.1039/c6cc06646a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The position at which conjugated side chains were fluorinated, the meta- or ortho-position in phenyl side chains, was varied to investigate the positional effects of fluorination on the energy levels, crystalline ordering, and photovoltaic properties of the polymers. The fluorine in the ortho-position achieved a lower HOMO energy level than that in the meta- position, but reduced the chain rigidity.
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页码：1176 / 1179
页数：4
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