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Issue 32, 2016
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Synthesis of bare Pt3Ni nanorods from PtNi@Ni core–shell nanorods by acid etching: one-step surfactant removal and phase conversion for optimal electrochemical performance toward oxygen reduction reaction

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Abstract

Pt–Ni alloy, most notably Pt3Ni phase, nanoparticles synthesized using a surfactant-assisted solution phase route have shown great promise as electrocatalysts toward the oxygen reduction reaction (ORR) for fuel cells. Surfactant removal without deteriorating the catalytic performance of alloy nanocrystals has been an ongoing issue in this research area. Herein, we report a convenient preparation route to surfactant-free Pt3Ni nanorods from PtNi@Ni nanorods assisted by acid etching as well as their excellent electrocatalytic activity for ORR.

Graphical abstract: Synthesis of bare Pt3Ni nanorods from PtNi@Ni core–shell nanorods by acid etching: one-step surfactant removal and phase conversion for optimal electrochemical performance toward oxygen reduction reaction

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Supplementary files

Article information


Submitted
12 Apr 2016
Accepted
21 May 2016
First published
23 May 2016

CrystEngComm, 2016,18, 6002-6007
Article type
Communication

Synthesis of bare Pt3Ni nanorods from PtNi@Ni core–shell nanorods by acid etching: one-step surfactant removal and phase conversion for optimal electrochemical performance toward oxygen reduction reaction

J. Yoon, J. Park, Y. J. Sa, Y. Yang, H. Baik, S. H. Joo and K. Lee, CrystEngComm, 2016, 18, 6002
DOI: 10.1039/C6CE00830E

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