Ion conduction switching between H+ and OH− induced by pH in graphene oxide

Masahiro Fukuda; Md. Saidul Islam; Yuta Shudo; Junya Yagyu; Leonard F. Lindoy; Shinya Hayami

doi:10.1039/D0CC00769B

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Ion conduction switching between H⁺ and OH⁻ induced by pH in graphene oxide†

Masahiro Fukuda,^a Md. Saidul Islam,^a Yuta Shudo,^a Junya Yagyu,^a Leonard F. Lindoy

^b and Shinya Hayami

*^ac

Author affiliations

* Corresponding authors

^a Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
E-mail: hayami@kumamoto-u.ac.jp

^b School of Chemistry, The University of Sydney, NSW 2006, Australia

^c Institute of Pulsed Power Science (IPPS), Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

Abstract

Ion conduction through graphene oxide (GO) nanosheets that is pH-switchable between H⁺ (in acid) and OH⁻ (in base) ions is demonstrated. This finding is the first observation of this type for ion conductive materials and demonstrates an example of stimuli-driven ion-conduction switching.

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Article information

DOI: https://doi.org/10.1039/D0CC00769B
Article type: Communication
Submitted: 30 Jan 2020
Accepted: 05 Mar 2020
First published: 05 Mar 2020

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Chem. Commun., 2020,56, 4364-4367

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Ion conduction switching between H⁺ and OH⁻ induced by pH in graphene oxide

M. Fukuda, Md. S. Islam, Y. Shudo, J. Yagyu, L. F. Lindoy and S. Hayami, Chem. Commun., 2020, 56, 4364 DOI: 10.1039/D0CC00769B

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