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

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 cm1 and 4500 S cm1 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 p–p stacking of PEDOT chains.
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https://hal.archives-ouvertes.fr/hal-01933477
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Submitted on : Friday, November 23, 2018 - 5:10:07 PM
Last modification on : Tuesday, May 12, 2020 - 11:02:01 AM

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Robert Brooke, Juan Felipe Franco-Gonzalez, Kosala Wijeratne, Eleni Pavlopoulou, Daniela Galliani, et al.. Vapor phase synthesized poly(3,4-ethylenedioxythiophene)-trifluoromethanesulfonate as a transparent conductor material. Journal of Materials Chemistry A, Royal Society of Chemistry, 2018, 6 (43), pp.21304 - 21312. ⟨10.1039/c8ta04744h⟩. ⟨hal-01933477⟩

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