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Side-Chain Engineering of Diketopyrrolopyrrole-based Copolymer Using Alkyl Ester Group for Efficient Polymer Solar Cell
- Authors
- Kim, Jae Yoon; Kim, Young Un; Kim, Hyung Jong; Um, Hyun Ah; Shin, Jicheol; Cho, Min Ju; Choi, Dong Hoon
- Issue Date
- 11월-2016
- Publisher
- SPRINGER
- Keywords
- diketopyrrolopyrrole; conjugated copolymer; side chain; miscibility; film morphology; polymer solar cell
- Citation
- MACROMOLECULAR RESEARCH, v.24, no.11, pp.980 - 985
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- MACROMOLECULAR RESEARCH
- Volume
- 24
- Number
- 11
- Start Page
- 980
- End Page
- 985
- ISSN
- 1598-5032
- Abstract
- 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 C-71 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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Collections - College of Science > Department of Chemistry > 1. Journal Articles
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