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Published on: April 10, 2019
Efficient electrocatalytic oxidation of formic acid using Au@Pt dendrimer-encapsulated nanoparticles
Ravikumar Iyyamperumal1, Liang Zhang, Graeme Henkelman
1Department of Chemistry and Biochemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, USA.
Abstract:
We report electrocatalytic oxidation of formic acid using monometallic and bimetallic dendrimer-encapsulated nanoparticles (DENs). The results indicate that the Au147@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 Au147@Pt surface. Subsequent experiments confirmed the theoretical predictions.
