Issue 3, 2015

Synthesis and characterization of the regiorandom homopolymer of 3-alkyldithieno[3,2-b:2′,3′-d]thiophene for thin-film transistors

Abstract

A regiorandom homopolymer of 3-alkyldithieno[3,2-b:2′,3′-d]thiophene (P3ADTT) has been prepared by oxidative polymerization using Iron(III) Chloride and oxygen as oxidants. The physical and electrochemical properties of the homopolymer were investigated and compared with those of P3HT. Its application in organic field-effect transistors showed annealing-free hole mobility up to 0.048 cm2 V−1 s−1 at room temperature and a significant thermally stable mobility of 0.13 cm2 V−1 s−1 at 200 °C with a current on/off ratio of greater than 105.

Graphical abstract: Synthesis and characterization of the regiorandom homopolymer of 3-alkyldithieno[3,2-b:2′,3′-d]thiophene for thin-film transistors

Article information

Article type
Paper
Submitted
18 Sep 2014
Accepted
26 Sep 2014
First published
07 Oct 2014

Polym. Chem., 2015,6, 459-465

Author version available

Synthesis and characterization of the regiorandom homopolymer of 3-alkyldithieno[3,2-b:2′,3′-d]thiophene for thin-film transistors

F. Wang, G. Li, D. Qi, I. Hoi-Ka Wong and J. Li, Polym. Chem., 2015, 6, 459 DOI: 10.1039/C4PY01283F

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