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Issue 43, 2018
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Vapor phase synthesized poly(3,4-ethylenedioxythiophene)-trifluoromethanesulfonate as a transparent conductor material

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Abstract

Inorganic transparent conductive oxides have dominated the market as transparent electrodes due to their high conductivity and transparency. Here, we report the fabrication and optimization of the synthesis of poly(3,4-ethylenedioxythiophene) trifluoromethanesulfonate via vapor phase polymerization for the potential replacement of such inorganic materials. The parameters and conditions of the polymerization were investigated and an electrical conductivity of 3800 S cm−1 and 4500 S cm−1 after acid treatment were obtained while maintaining an absorbance similar to that of commercial indium tin oxide. This increase in electrical conductivity was rationalized experimentally and theoretically to an increase in the oxidation level and a higher order of crystallinity which does not disrupt the π–π stacking of PEDOT chains.

Graphical abstract: Vapor phase synthesized poly(3,4-ethylenedioxythiophene)-trifluoromethanesulfonate as a transparent conductor material

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Supplementary files

Article information


Submitted
21 May 2018
Accepted
06 Aug 2018
First published
22 Aug 2018

This article is Open Access

J. Mater. Chem. A, 2018,6, 21304-21312
Article type
Paper

Vapor phase synthesized poly(3,4-ethylenedioxythiophene)-trifluoromethanesulfonate as a transparent conductor material

R. Brooke, J. F. Franco-Gonzalez, K. Wijeratne, E. Pavlopoulou, D. Galliani, X. Liu, R. Valiollahi, I. V. Zozoulenko and X. Crispin, J. Mater. Chem. A, 2018, 6, 21304
DOI: 10.1039/C8TA04744H

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