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In this work, the Pt-Pd nanostructures supported on reduced graphene oxide (RGO) were successfully synthesized by surfactant-free wet-chemical approach. The physicochemical characterization of the prepared catalysts was verified using X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM (HRTEM), energy-dispersive X-ray (EDX) spectroscopy, Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). It was found that Pt-Pd nanocrystals with unique structure and high dispersion were successfully grown onto the surface of RGO. Methanol electrooxidation on Pt-Pd/RGO catalysts was investigated by voltammetry and chronoamperometry in alkaline medium. The RGO-supported Pt-Pd catalyst (Pt-Pd/RGO) demonstrates significantly high performance compared to Pt/C for the methanol electooxidation.

Graphene-Supported Pt-Pd Nanostructures With Enhanced Catalytic Activities for Methanol Electrooxidation in Alkaline Medium