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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