Core–Shell Compositional Fine Structures of Dealloyed Pt x Ni 1– x Nanoparticles and Their Impact on Oxygen Reduction Catalysis

Gan, Lin; Heggen, Marc; Rudi, Stefan; Strasser, Peter

doi:10.1021/nl302995z

Public

Core–Shell Compositional Fine Structures of Dealloyed Pt x Ni 1– x Nanoparticles and Their Impact on Oxygen Reduction Catalysis

Published in Nano Letters • Sep 14, 2012

Authors:

Lin Gan

Marc Heggen

Stefan Rudi

Abstract

Using aberration-corrected scanning transmission electron microscopy and electron energy loss spectroscopy line profiles with Ångstrom resolution, we uncover novel core-shell fine structures in a series of catalytically active dealloyed Pt(x)Ni(1-x) core-shell nanoparticles, showing the formation of...

Subject

Nanoparticle

Catalysis

Transmission electron microscopy

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