Issue 42, 2016, Issue in Progress

Highly planar thieno[3,2-b]thiophene-diketopyrrolopyrrole-containing polymers for organic field-effect transistors

Abstract

Two novel thieno[3,2-b]thiophene-flanked diketopyrrolopyrrole (TTDPP)-based copolymers PTTDPPTVT and PTTDPPSVS were designed and synthesized in order to investigate their optical, electrochemical, and morphological properties as well as device performance in organic field-effect transistors. By introducing large TTDPP units and highly π-extended moieties di(thiophen-2-yl)ethene or di(selenophen-2-yl)ethene in the conjugated backbone, the copolymers with extremely planar conjugated degree and strongly intermolecular interactions were achieved. The devices based on PTTDPPTVT and PTTDPPSVS showed hole mobilities of 0.437 and 0.067 cm2 V−1 s−1, respectively. These results demonstrated that the TTDPP unit is a promising electron deficient building block for constructing excellent performance semiconducting materials.

Graphical abstract: Highly planar thieno[3,2-b]thiophene-diketopyrrolopyrrole-containing polymers for organic field-effect transistors

Supplementary files

Article information

Article type
Paper
Submitted
13 Jan 2016
Accepted
30 Mar 2016
First published
11 Apr 2016

RSC Adv., 2016,6, 35394-35401

Highly planar thieno[3,2-b]thiophene-diketopyrrolopyrrole-containing polymers for organic field-effect transistors

X. Liu, J. Huang, J. Xu, D. Gao, W. Zhang, K. Shi and G. Yu, RSC Adv., 2016, 6, 35394 DOI: 10.1039/C6RA01031H

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