Preparation and characterization of an electrocatalytic electrode using amphiphilic carbonaceous material containing metal compound Original Research Article

Electrocatalytic electrodes were prepared by coating amphiphilic carbonaceous material containing platinum acetylacetonate from N,N-dimethylformamide on a glassy carbon surface. The electrocatalytic activity of the electrodes was evaluated for hydrogen generation in 1 M hydrogen perchloride by means of voltammetry. The current densities for proton reduction increased at the potential of −0.2 V vs Ag/AgCl with increasing concentration of platinum acetylacetonate and with heat-treatment temperature. However, at higher concentrations of platinum acetylacetonate and higher heat-treatment temperatures, the current densities were decreased. These electrocatalytic activities were strongly dependent on states of the coating layer including platinum surface area.