4.8 Article

Structural Evolution of Solid Pt Nanoparticles to a Hollow PtFe Alloy with a Pt-Skin Surface via Space-Confined Pyrolysis and the Nanoscale Kirkendall Effect

Journal

ADVANCED MATERIALS
Volume 28, Issue 48, Pages 10673-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201603509

Keywords

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Funding

  1. China National 973 Program [2012CB215500]
  2. NSFC of China [91534205, 21436003, 21576031, 21276291]

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A space-confined interfacial conversion approach is developed to directly transform 3 nm solid Pt nanoparticles into a 5 nm hollow PtFe alloy featuring a Pt-skin surface. The approach presented for the structural evolution from solid Pt NPs to hollow PtFe alloy with controlled size, structure, and composition can be applied to other multimetallic electrocatalysts.

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