Shape Controlled Synthesis of Platinum Nanocrystals with High Catalytic Activities for Methanol Electrooxidation.

Synthesis of monodisperse Pt nanocrystals with cubic and cuboctahedral shapes were successfully done by using a chemical reduction method. The catalytic performance of Pt nanoparticles toward methanol electrooxidation was measured. The results indicate that Pt cuboctahedra with external Pt{100} and Pt{111} crystallographic facets showed a higher catalytic activity for methanol electrooxidation than the commercial Pt/C catalyst. Graphical Abstract: [Figure not available: see fulltext.] [ABSTRACT FROM AUTHOR]