Electrodeposited platinum on de-alloyed nanoporous gold with enhanced electro-catalytic performance

•Nanoporous gold was prepared from Au-based metallic glass by chemical de-alloying.•Pt nanoparticles were electrodeposited through CV cycles on nanoporous gold.•The Pt nanoparticles/NPG electrodes are active for the electro-oxidation of methanol.NPG with 30 cycles Pt deposition exhibits higher activity and longer durability.