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Superionic Conductivity in Hybrid of 3-Hydroxypropanesulfonic Acid and Graphene Oxide
Kosuke Wakata1, Mohammad Razaul Karim1,2, Md Saidul Islam1
1Department of chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, 860-8555, Japan.
Abstract:
Insertion of 3-hydroxypropanesulfonicacid (HPS) in the graphene oxide (GO) interlayer results in high proton conductivity (10-2 -10-1 S cm-1 ), owing to an improvement in oxygen content, interlayer distance and water absorbing capacity. This result indicates that hydroxyalkylsulfonicacids can be perfect guest molecules for improving the proton conductivity of carbon materials.
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