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Issue 36, 2012
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Low-temperature melt processed polymer blend for organic thin-film transistors

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Abstract

A melt processed polymer blend based on poly(3-hexylthiophene) (P3HT) and an insulating polymer with good melt-processability, poly(ε-caprolactone) (PCL), has been demonstrated for fabricating organic thin-film transistors. The P3HT component in the blend, presenting as nanofibrillar networks, provides the blend with an excellent charge-transport property at low P3HT content, and the PCL matrix with a low melt temperature allows the blend to be processed at a temperature as low as 60 °C. The field-effect characteristics of the melt-processed transistors are comparable to those of the solution-processed device. The blend displays outstanding mechanical properties with elongations at break exceeding 300%, and has a potential use in biocompatible and biodegradable organic thin-film transistors.

Graphical abstract: Low-temperature melt processed polymer blend for organic thin-film transistors

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Article information


Submitted
21 May 2012
Accepted
25 Jul 2012
First published
26 Jul 2012

J. Mater. Chem., 2012,22, 18887-18892
Article type
Paper

Low-temperature melt processed polymer blend for organic thin-film transistors

L. Qiu, Q. Xu, M. Chen, X. Wang, X. Wang and G. Zhang, J. Mater. Chem., 2012, 22, 18887
DOI: 10.1039/C2JM33252C

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