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Polymers 2013, 5(4), 1325-1338; doi:10.3390/polym5041325
Article

Transparent Conductive Films Fabricated from Polythiophene Nanofibers Composited with Conventional Polymers

1
, 1
, 1
, 2
 and 2,*
1 Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan 2 Department of Organic and Polymer Materials Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
* Author to whom correspondence should be addressed.
Received: 19 September 2013 / Revised: 31 October 2013 / Accepted: 31 October 2013 / Published: 19 November 2013
(This article belongs to the Special Issue Semiconducting Polymers for Organic Electronic Devices)
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Abstract

Transparent, conductive films were prepared by compositing poly(3-hexylthiophene) (P3HT) nanofibers with poly(methyl methacrylate) (PMMA). The transparency, conductivity, atmospheric stability, and mechanical strength of the resulting nanofiber composite films when doped with AuCl3 were evaluated and compared with those of P3HT nanofiber mats. The conductivity of the nanofiber composite films was 4.1 S∙cm−1, which is about seven times less than that which was previously reported for a nanofiber mat with the same optical transmittance (~80%) reported by Aronggaowa et al. The time dependence of the transmittance, however, showed that the doping state of the nanofiber composite films in air was more stable than that of the nanofiber mats. The fracture stress of the nanofiber composite film was determined to be 12.3 MPa at 3.8% strain.
Keywords: conducting polymer; nanofiber; transparent conductive film; poly(3-hexylthiophene); composite film conducting polymer; nanofiber; transparent conductive film; poly(3-hexylthiophene); composite film
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Aronggaowa, B.; Toda, Y.; Ito, N.; Shikinaka, K.; Shimomura, T. Transparent Conductive Films Fabricated from Polythiophene Nanofibers Composited with Conventional Polymers. Polymers 2013, 5, 1325-1338.

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