Applied Science and Convergence Technology 2021; 30(6): 183-185
Published online November 30, 2021
Copyright © The Korean Vacuum Society.
aDepartment of Physics, Chungnam National University, Daejeon 34134, Republic of Korea
bInstitute of Quantum Systems, Chungnam National University, Daejeon 34134, Republic of Korea
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In this study, we investigated the redox process occurring on graphene with an H2SO4 electrolyte gating. The redox process occurring on graphene was studied by observing the variation in the conductance of graphene. By performing electric force microscopy measurements, we also observed the surface condition of graphene leading oxidation and its role as a seed for adsorbing undesired residues, which results in conductance suppression.
Keywords: Graphene, Graphene oxide, Electrolyte gate, Oxidation, Reduction, Redox