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Org Lett. 2012 Dec 21;14(24):6326-9. doi: 10.1021/ol303045p. Epub 2012 Dec 10.

Planar star-shaped organic semiconductor with fused triphenylamine core for solution-processed small-molecule organic solar cells and field-effect transistors.

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1
Department of New Material Chemistry, Korea University, Chungnam, 330-700, Republic of Korea.

Abstract

The symmetrical planar star-shaped organic semiconductor DMM-TPA-[DTS(BTTh(3))](3) with fused TPA core donor and three branch motifs, DTS(BTTh(3)), exhibited efficient p-type semiconducting performance in solution-processed SMOSCs and OFETs compared to the tilted star-shaped TPA-[DTS(BTTh(3))](3); a noteworthy PCE value of 4.16% was observed, with a hole mobility and on/off ratio of 7.6 × 10(-3) cm(2) V(-1) s(-1) and 5 × 10(6), respectively.

PMID:
23214406
DOI:
10.1021/ol303045p
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