Surface Profile Control of FeNiPt/Pt Core/Shell Nanowires for Oxygen Reduction Reaction

Huiyuan Zhu; Sen Zhang; Dong Su; Guangming Jiang; Shouheng Sun

doi:10.1002/smll.201500330

Surface Profile Control of FeNiPt/Pt Core/Shell Nanowires for Oxygen Reduction Reaction

Small. 2015 Aug 5;11(29):3545-9. doi: 10.1002/smll.201500330. Epub 2015 Mar 18.

Authors

Huiyuan Zhu¹, Sen Zhang¹, Dong Su², Guangming Jiang¹, Shouheng Sun¹

Affiliations

¹ Department of Chemistry, Brown University, Providence, R I 02912, USA.
² Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY, 11973, USA.

PMID: 25786658
DOI: 10.1002/smll.201500330

Abstract

Monodisperse core/shell FeNiPt/FePt nanowires (4.5 × 20-50 nm) are synthesized by seed-mediated growth of FePt over the pre-made 2.5 nm wide FeNiPt nanowires. The surface profile of the FeNiPt/FePt nanowires is tailored by acid and thermal treatment. The FeNiPt/Pt-skin nanowires show higher activities than the FeNiPt/Pt-skeleton nanowires.

Keywords: Pt-skin surfaces; core/shell; metal nanowires; nanowires; oxygen reduction reaction.

Publication types

Research Support, U.S. Gov't, Non-P.H.S.