Effects of Fused Thiophene Bridges in Organic Semiconductors for Solution-Processed Small-Molecule Organic Solar Cells 


Vol. 34,  No. 7, pp. 2148-2154, Jul.  2013
10.5012/bkcs.2013.34.7.2148


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  Abstract

Three push-pull organic semiconductors, TPA-Th3-MMN (1), TPA-ThTT-MMN (2), and TPA-ThDTTMMN (3), comprising a triphenylamine donor and a methylene malononitrile acceptor linked by various π- conjugated thiophene units were synthesized, and the effects of the π-conjugated bridging unit on the photovoltaic characteristics of solution-processed small-molecule organic solar cells based on these semiconductors were investigated. Planar bridging units with extended π-conjugation effectively facilitated intermolecular π-π packing interactions in the solid state, resulting in enhanced Jsc values of the SMOSCs fabricated with bulk heterojunction films.

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  Cite this article

[IEEE Style]

J. K. Lee, S. Lee, S. J. Yun, "Effects of Fused Thiophene Bridges in Organic Semiconductors for Solution-Processed Small-Molecule Organic Solar Cells," Bulletin of the Korean Chemical Society, vol. 34, no. 7, pp. 2148-2154, 2013. DOI: 10.5012/bkcs.2013.34.7.2148.

[ACM Style]

Jae Kwan Lee, Sol Lee, and Suk Jin Yun. 2013. Effects of Fused Thiophene Bridges in Organic Semiconductors for Solution-Processed Small-Molecule Organic Solar Cells. Bulletin of the Korean Chemical Society, 34, 7, (2013), 2148-2154. DOI: 10.5012/bkcs.2013.34.7.2148.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949