Ultralow platinum-loading bimetallic nanoflowers: Fabrication and high-performance electrocatalytic activity towards the oxidation of formic acid

Ultralow Pt-loading bimetallic nanoflowers have been fabricated by Cu under-potential deposition and galvanic exchange process. Results show that these Pt monolayer coated Au nanoflowers have superior performance towards oxidation of formic acid through a dehydrogenation pathway.

► Pt-loading AuNFs were fabricated by Cu-UPD and galvanic-exchange process.
► Different methods show the formation of bimetallic nanoflowers.
► Pt-coated AuNFs have superior performance towards the oxidation of formic acid.