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Polymers 2018, 10(10), 1065; https://doi.org/10.3390/polym10101065

Reversible Protonic Doping in Poly(3,4-Ethylenedioxythiophene)

1
School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, China
2
Nanomaterials Research Institute, Department of Materials and Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8565, Japan
3
AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba 305-8565, Japan
4
Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi 332-0012, Japan
*
Author to whom correspondence should be addressed.
Received: 6 September 2018 / Revised: 21 September 2018 / Accepted: 23 September 2018 / Published: 25 September 2018
(This article belongs to the Special Issue Polymers for Thermoelectric Application)
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Abstract

In this study, poly(3,4-ethylenedioxythiophene), a benchmark-conducting polymer, was doped by protons. The doping and de-doping processes, using protonic acid and a base, were fully reversible. We predicted possible doping sites along the polymer chain using density functional theory (DFT) calculations. This study sheds potential light and understanding on the molecular design of highly conductive organic materials. View Full-Text
Keywords: organic semiconductor; oxidative doping; protonic doping organic semiconductor; oxidative doping; protonic doping
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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 (CC BY 4.0).

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He, S.; Mukaida, M.; Kirihara, K.; Lyu, L.; Wei, Q. Reversible Protonic Doping in Poly(3,4-Ethylenedioxythiophene). Polymers 2018, 10, 1065.

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