Proton Conductivity of Graphene Oxide on Aging

Mohammad Razaul Karim; Md Saidul Islam; Nurun Nahar Rabin; Ryo Ohtani; Masaaki Nakamura; Michio Koinuma; Shinya Hayami

doi:10.1071/CH16557

Proton Conductivity of Graphene Oxide on Aging

Mohammad Razaul Karim, Md Saidul Islam, Nurun Nahar Rabin, Ryo Ohtani, Masaaki Nakamura, Michio Koinuma, Shinya Hayami

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

The aging effect on the proton conductivity of graphene oxide (GO) is investigated. Characterizations of oxygenated functional groups and measurement of the proton conductivity have been performed using freshly prepared GO and the same sample after preserving for three years under ambient conditions. Although GO retains its layered structure, a slight deviation in its powder X-ray diffraction (PXRD) pattern and Raman spectra upon aging implies some changes in the interlayer distance and functional groups. Decomposition of epoxy groups on aging has been recognised by X-ray photoelectron spectroscopy (XPS) analysis. The proton conductivity was found to be reduced by 25% after three years of aging.

Original language	English
Pages (from-to)	642-645
Number of pages	4
Journal	Australian Journal of Chemistry
Volume	70
Issue number	5
DOIs	https://doi.org/10.1071/CH16557
Publication status	Published - Jan 1 2017
Externally published	Yes

All Science Journal Classification (ASJC) codes

Chemistry(all)

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10.1071/CH16557

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title = "Proton Conductivity of Graphene Oxide on Aging",

abstract = "The aging effect on the proton conductivity of graphene oxide (GO) is investigated. Characterizations of oxygenated functional groups and measurement of the proton conductivity have been performed using freshly prepared GO and the same sample after preserving for three years under ambient conditions. Although GO retains its layered structure, a slight deviation in its powder X-ray diffraction (PXRD) pattern and Raman spectra upon aging implies some changes in the interlayer distance and functional groups. Decomposition of epoxy groups on aging has been recognised by X-ray photoelectron spectroscopy (XPS) analysis. The proton conductivity was found to be reduced by 25% after three years of aging.",

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AU - Karim, Mohammad Razaul

AU - Islam, Md Saidul

AU - Rabin, Nurun Nahar

AU - Ohtani, Ryo

AU - Nakamura, Masaaki

AU - Koinuma, Michio

AU - Hayami, Shinya

PY - 2017/1/1

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N2 - The aging effect on the proton conductivity of graphene oxide (GO) is investigated. Characterizations of oxygenated functional groups and measurement of the proton conductivity have been performed using freshly prepared GO and the same sample after preserving for three years under ambient conditions. Although GO retains its layered structure, a slight deviation in its powder X-ray diffraction (PXRD) pattern and Raman spectra upon aging implies some changes in the interlayer distance and functional groups. Decomposition of epoxy groups on aging has been recognised by X-ray photoelectron spectroscopy (XPS) analysis. The proton conductivity was found to be reduced by 25% after three years of aging.

AB - The aging effect on the proton conductivity of graphene oxide (GO) is investigated. Characterizations of oxygenated functional groups and measurement of the proton conductivity have been performed using freshly prepared GO and the same sample after preserving for three years under ambient conditions. Although GO retains its layered structure, a slight deviation in its powder X-ray diffraction (PXRD) pattern and Raman spectra upon aging implies some changes in the interlayer distance and functional groups. Decomposition of epoxy groups on aging has been recognised by X-ray photoelectron spectroscopy (XPS) analysis. The proton conductivity was found to be reduced by 25% after three years of aging.

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Proton Conductivity of Graphene Oxide on Aging

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