Free-standing graphene oxide/oxidized carbon nanotube films with mixed proton and electron conductor properties

Nurun Nahar Rabin; Md. Saidul Islam; Mohammad Atiqur Rahman; Ryuta Tagawa; Yuta Shudo; Yoshihiro Sekine; Shinya Hayami

doi:10.1039/D2YA00314G

Free-standing graphene oxide/oxidized carbon nanotube films with mixed proton and electron conductor properties†

Nurun Nahar Rabin,^ab Md. Saidul Islam,

^ab Mohammad Atiqur Rahman,^b Ryuta Tagawa,^b Yuta Shudo,

^c Yoshihiro Sekine

^bd and Shinya Hayami

*^abe

Author affiliations

* Corresponding authors

^a Institute of Industrial Nanomaterials (IINa), Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan
E-mail: hayami@kumamoto-u.ac.jp

^b Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan

^c National Institute of Advanced Industrial Science and Technology (AIST), Japan

^d Priority Organization for Innovation and Excellence, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan

^e International Research Center for Agricultural and Environmental Biology (IRCAEB)2-39-1 Kurokami, Chuo-ku, Kumamoto, Japan

Abstract

Herein, a hybrid of graphene oxide and oxidized single-wall carbon nanotube (GO/Ox-SWCNT) free-standing film showing efficient mixed proton and electron conducting (MPEC) properties is demonstrated. The obtained proton and electronic conductivities are 5.24 × 10⁻³ and 1.35 × 10⁻³ S cm⁻¹, respectively. The ease of the GO/Ox-SWCNT free-standing film synthesis process along with the excellent MPEC performance endow the films with a wide range of applications as solid electrolyte membranes.

This article is part of the themed collection: Energy Advances: Highlight Japan & South Korea

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DOI: https://doi.org/10.1039/D2YA00314G
Article type: Communication
Submitted: 16 Nov 2022
Accepted: 08 Jan 2023
First published: 09 Jan 2023
This article is Open Access

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Energy Adv., 2023,2, 293-297

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Free-standing graphene oxide/oxidized carbon nanotube films with mixed proton and electron conductor properties

N. N. Rabin, Md. S. Islam, M. A. Rahman, R. Tagawa, Y. Shudo, Y. Sekine and S. Hayami, Energy Adv., 2023, 2, 293 DOI: 10.1039/D2YA00314G

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

Energy Advances

Free-standing graphene oxide/oxidized carbon nanotube films with mixed proton and electron conductor properties†

Abstract

Supplementary files

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Free-standing graphene oxide/oxidized carbon nanotube films with mixed proton and electron conductor properties

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