Abstract
Abstract Electrodeposition of Au on 3-D porous graphite (PG) at different pH values was investigated through an electrogenerative process in 3 hours of operation of the system. In the pH range between 1 and 3, the deposition efficiency was highest. However, with concerns regarding passivation and corrosion, the optimum pH was 3. The Au particles were spontaneously deposited on the PG surface in metallic form. Electrogenerative deposition of Au on the PG surface can provide a free energy of − 1021 kJ mol− 1 and a simple, fast and clean method to prepare electrocatalysts. In this study, oxidation of glucose is reported as a potential application by the as prepared Au/PG electrocatalyst.
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