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Push-pull organic semiconductors with planar indenothiophene bridges for solution-processed small-molecule organic solar cells

Authors
Lee, Jae KwanKim, JooyoungChoi, HyejuLim, KiminSong, KihyungKo, Jaejung
Issue Date
9-9월-2014
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Keywords
Organic semiconductor; Indenothiophene; Charge transfer; Bulk heterojunction; Organic solar cell
Citation
TETRAHEDRON, v.70, no.36, pp.6235 - 6240
Indexed
SCIE
SCOPUS
Journal Title
TETRAHEDRON
Volume
70
Number
36
Start Page
6235
End Page
6240
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/97410
DOI
10.1016/j.tet.2014.02.018
ISSN
0040-4020
Abstract
Novel push-pull organic semiconductors, bisDMFA-InTTh-MMN (1) and bisDMFA-InTTTh-MMN (2) containing planar and rigid indenothiophene or indenothienothiophene functionalities incorporated into a pi-conjugated thiophene bridge were synthesized and the photovoltaic performances in solution-processed small molecule organic solar cells (SMOSCs) were investigated. The planar indenothiophene skeleton induced the effective inter- and intramolecular charge transfers of these materials. The most efficient SMOSCs based on this novel indenothiophene exhibited a moderate PCE of 3.21% from a skeleton comprised of a bisDMFA donor, MMN acceptor, and InTTTh pi-linker. (C) 2014 Elsevier Ltd. All rights reserved.
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