Optimization of proton conductivity in graphene oxide by filling sulfate ions
Chemical Communications2014Vol. 50(93), pp. 14527–14530
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Kazuto Hatakeyama, Mohammad Razaul Karim, Chikako Ogata, Hikaru Tateishi, Takaaki Taniguchi, Michio Koinuma, Shinya Hayami, Yasumichi Matsumoto
Abstract
Graphene oxide (GO) walled channels filled by sulfate ions exhibit an optimized proton conductivity, which is higher than the proton conductivity of all other forms of GO. The sulphate ion increases the water absorbing capacity and hydrogen bond reformation process in GO.
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