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