Proton Conductivity of Graphene Oxide on Aging

被引：13
|
作者：
Karim, Mohammad Razaul [1 ,2 ]
Islam, Saidul [1 ]
Rabin, Nurun Nahar [1 ]
Ohtani, Ryo [1 ]
Nakamura, Masaaki [1 ]
Koinuma, Michio [1 ]
Hayami, Shinya [1 ,3 ]
机构：
[1] Kumamoto Univ, Grad Sch Sci & Technol, Dept Chem, Chuo Ku, 2-39-1 Kurokami, Kumamoto 8608555, Japan
[2] Shahjalal Univ Sci & Technol, Dept Chem, Sylhet 3114, Bangladesh
[3] Kumamoto Univ, Inst Pulsed Power Sci, Chuo Ku, 2-39-1 Kurokami, Kumamoto 8608555, Japan
来源：
AUSTRALIAN JOURNAL OF CHEMISTRY | 2017年 / 70卷 / 05期
关键词：
TRANSPORT; GRAPHITE;
D O I：
10.1071/CH16557
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.=
引用
收藏
页码：642 / 645
页数：4
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