Superior electrocatalytic activity from nanodendritic structure consisting of a PtFe bimetallic core and Pt shell

Abstract

A novel PtFe@Pt core–shell nanostructure with a PtFe bimetallic core and a nanodendrite Pt shell was fabricated through a facile aqueous reduction process. Without any capping agent and/or surfactant, a clean Pt surface can be obtained. The novel nanostrutured crystals show superior electrocatalytic performance towards methanol oxidation due to the enlarged Pt surface area and the modified electronic structure of Pt.