Efficient Electrocatalytic Oxidation of Formic Acid
Using Au@Pt Dendrimer-Encapsulated Nanoparticles
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Abstract
We report electrocatalytic oxidation
of formic acid using monometallic
and bimetallic dendrimer-encapsulated nanoparticles (DENs). The results
indicate that the Au<sub>147</sub>@Pt DENs exhibit better electrocatalytic
activity and low CO formation. Theoretical calculations attribute
the observed activity to the deformation of nanoparticle structure,
slow dehydration of formic acid, and weak binding of CO on Au<sub>147</sub>@Pt surface. Subsequent experiments confirmed the theoretical
predictions