▎ 摘　　要

We report an effective synthesis of platinum (Pt) nanoparticles supported ethylenediamine (EDA) functionalized graphene sheets by a novel microwave assisted method. In the method, the mixture of ethylene glycol and isopropyl alcohol acts as both the solvent and reducing agent for reduction of Pt nanoparticles from their precursors. The experimental results show that the as-prepared Pt/EDAr-GO exhibits superior activity and stability for methanol oxidation compared with the unmodified Pt catalyst. This improvement indicates that the EDA-rGO composite would be a promising alternative for direct methanol fuel cells and other catalytic devices.