Abstract

Abstract Gold (Au) nanoparticles having a Pt-shell layer (Au–Pt) deposited on a conductive support are a promising electrocatalyst for fuel cells, enabling the minimal use of Pt. We describe a facile one-pot method to grow Au–Pt having a 3.8-nm diameter on multiwalled carbon nanotubes (MWNTs) in the absence of a reducing agent, in which polybenzimidazole was used as the binding sites on the MWNTs to load the Au–Pt.

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