The role of transition metals in the catalytic activity of Pt alloys: quantification of strain and ligand effects

Minhua Shao; Jonathan H Odell; Amra Peles; Dong Su

doi:10.1039/c3cc47341d

The role of transition metals in the catalytic activity of Pt alloys: quantification of strain and ligand effects

Chem Commun (Camb). 2014 Feb 28;50(17):2173-6. doi: 10.1039/c3cc47341d. Epub 2014 Jan 15.

Authors

Minhua Shao¹, Jonathan H Odell, Amra Peles, Dong Su

Affiliation

¹ UTC Power, South Windsor, CT 06074, USA. minhua@gmail.com.

PMID: 24429418
DOI: 10.1039/c3cc47341d

Abstract

The oxygen reduction reaction (ORR) activity as a function of thickness of the Pt shell on Pt-Ni alloy nanoparticles was established. We demonstrated that the effects of transition metals could only extend to a very thin Pt shell, which was 0.9-1.0 nm for Pt3Ni.