Issue 15, 2013

Effect of a furan π-bridge on polymer coplanarity and performance in organic field effect transistors

Abstract

An existing donor–acceptor polymer was modified by introducing a furan π-bridge into its backbone, aiming to extend the π-conjugation and achieve higher performance in organic field effect transistors (OFETs). The effect of a furan-bridge on polymer thermal, optical and electrochemical properties was systematically investigated. OFETs demonstrated an unexpected reduced hole mobility for the furan-bridge containing polymer. Theoretical simulation indicated that the polymer coplanarity became worse after the incorporation of the furan-bridge due to the modified atomic interaction between adjacent building blocks in the backbone. X-ray diffraction and atomic force microscopy results further confirmed that the furan containing polymer had a less ordered intermolecular packing in film due to the reduced coplanarity.

Graphical abstract: Effect of a furan π-bridge on polymer coplanarity and performance in organic field effect transistors

Supplementary files

Article information

Article type
Paper
Submitted
18 Apr 2013
Accepted
14 May 2013
First published
15 May 2013

Polym. Chem., 2013,4, 4199-4206

Effect of a furan π-bridge on polymer coplanarity and performance in organic field effect transistors

J. Yuan, Y. Zang, H. Dong, G. Liu, C. Di, Y. Li and W. Ma, Polym. Chem., 2013, 4, 4199 DOI: 10.1039/C3PY00501A

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