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김진영

Kim, Jin Young
Next Generation Energy Lab.
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Synthesis and photovoltaic properties of benzimidazole-based copolymer with fluorine atom

Author(s)
Song, SuheeKim, TaehyoKang, DonghoSuh, HongsukHyun, Myung HoPark, Seong SooLee, Gun DaeKim, Jin YoungJin, Youngeup
Issued Date
2016-09
DOI
10.1007/s00289-016-1679-2
URI
https://scholarworks.unist.ac.kr/handle/201301/19539
Fulltext
http://link.springer.com/article/10.1007%2Fs00289-016-1679-2
Citation
POLYMER BULLETIN, v.73, no.9, pp.2511 - 2519
Abstract
A new accepter unit, 5,6-difluoro-2,2-dimethyl-2H-benzo[d]imidazole, was prepared and utilized for the synthesis of the conjugated polymers containing electron donor-acceptor pair for OPVs. Difluoro-dimethyl-2H-benzoimidazole unit was designed to introduce electron-withdrawing F atom in dimethyl-2H-benzimidazole unit to improve deeper HOMO and higher VOC of the polymer. New semiconducting copolymer with dioctyloxybenzodithiophene, as the electron-rich unit, and difluoro-dimethyl-2H-benzoimidazole, as the electron-deficient unit, was synthesized by Stille polymerization.
Publisher
SPRINGER
ISSN
0170-0839
Keyword (Author)
PolymerSolar cellsSynthesisFluorine atomBenzoimidazole
Keyword
HETEROJUNCTION SOLAR-CELLSCONVERSION EFFICIENCYPERFORMANCEBENZODITHIOPHENEPOLYMER

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