2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione-based donor-acceptor alternating copolymer bearing 5,5′-Di(thiophen-2-yl)-2, 2′-biselenophene exhibiting 1.5 cm2·V -1·s-1 hole mobility in thin-film transistors

Jae Seung Ha; Kyung Hwan Kim; Dong Hoon Choi

doi:10.1021/ja203189h

2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione-based donor-acceptor alternating copolymer bearing 5,5′-Di(thiophen-2-yl)-2, 2′-biselenophene exhibiting 1.5 cm²·V ^-1·s^-1 hole mobility in thin-film transistors

Jae Seung Ha, Kyung Hwan Kim, Dong Hoon Choi

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

332 Citations (Scopus)

Abstract

A novel diketopyrrolopyrrole-based π-conjugated copolymer P(DPP-alt-DTBSe), 5, and a known copolymer P(DPP-alt-QT), 4, have been synthesized in 80-90% yield using the Stille coupling reaction. The molecular weights of 4 and 5 are 58 781 and 19 271 g/mol, respectively, with polydispersity values of 3.25-3.35. A relatively small band gap of 1.32-1.39 eV and excellent solubility in organic solvents were achieved in the two polymers. Thin-film transistors made of 5 exhibit outstanding performance (e.g., μ > 1.0-1.5 cm²·V^-1·s^-1, I _on/I_off > 10⁵-10⁶) with a conventional n-octyltrichlorosilane-SiO₂ gate dielectric.

Original language	English
Pages (from-to)	10364-10367
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	133
Issue number	27
DOIs	https://doi.org/10.1021/ja203189h
Publication status	Published - 2011 Jul 13

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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Ha, J. S., Kim, K. H., & Choi, D. H. (2011). 2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione-based donor-acceptor alternating copolymer bearing 5,5′-Di(thiophen-2-yl)-2, 2′-biselenophene exhibiting 1.5 cm²·V ^-1·s^-1 hole mobility in thin-film transistors. Journal of the American Chemical Society, 133(27), 10364-10367. https://doi.org/10.1021/ja203189h

2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione-based donor-acceptor alternating copolymer bearing 5,5′-Di(thiophen-2-yl)-2, 2′-biselenophene exhibiting 1.5 cm²·V ^-1·s^-1 hole mobility in thin-film transistors. / Ha, Jae Seung; Kim, Kyung Hwan; Choi, Dong Hoon.

In: Journal of the American Chemical Society, Vol. 133, No. 27, 13.07.2011, p. 10364-10367.

Research output: Contribution to journal › Article › peer-review

Ha, JS, Kim, KH & Choi, DH 2011, '2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione-based donor-acceptor alternating copolymer bearing 5,5′-Di(thiophen-2-yl)-2, 2′-biselenophene exhibiting 1.5 cm²·V ^-1·s^-1 hole mobility in thin-film transistors', Journal of the American Chemical Society, vol. 133, no. 27, pp. 10364-10367. https://doi.org/10.1021/ja203189h

Ha, Jae Seung ; Kim, Kyung Hwan ; Choi, Dong Hoon. / 2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione-based donor-acceptor alternating copolymer bearing 5,5′-Di(thiophen-2-yl)-2, 2′-biselenophene exhibiting 1.5 cm²·V ^-1·s^-1 hole mobility in thin-film transistors. In: Journal of the American Chemical Society. 2011 ; Vol. 133, No. 27. pp. 10364-10367.

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