Side-chain engineering of diketopyrrolopyrrole-based copolymer using alkyl ester group for efficient polymer solar cell

被引：0
|
作者：
Jae Yoon Kim
Young Un Kim
Hyung Jong Kim
Hyun Ah Um
Jicheol Shin
Min Ju Cho
Dong Hoon Choi
机构：
[1] Korea University,Department of Chemistry, Research Institute for Natural Sciences
来源：
Macromolecular Research | 2016年 / 24卷
关键词：
diketopyrrolopyrrole; conjugated copolymer; side chain; miscibility; film morphology; polymer solar cell;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The new diketopyrrolopyrrole-based copolymer, referred to as PDPPBDTE, bearing linear alkyl ester groups, was synthesized with the objective of improving the miscibility between the donor polymer and [6,6]-phenyl C71 butyric acid methyl ester (PC71BM). PDPPBDTA bearing ethylhexyl side-chains was also synthesized as a control polymer. The PDPPBDTE:PC71BM blend film showed a relatively small crystalline domain size compared to the PDPPBDTA:PC71BM blend film. A polymer solar cell fabricated with PDPPBDTE and PC71BM exhibited twofold higher power conversion efficiency than that employing PDPPBDTA.
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收藏
页码：980 / 985
页数：5
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