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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Title
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
Author(s)
Jisun Yoon; Jongsik Park; Young Jin Sa; Yoojin Yang; Hionsuck Baik; Sang Hoon Joo; Kwangyeol Lee
Publication Date
2016-08
Journal
CRYSTENGCOMM, v.18, no.32, pp.6002 - 6007
Publisher
ROYAL SOC CHEMISTRY
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. © The Royal Society of Chemistry 2016
URI
https://pr.ibs.re.kr/handle/8788114/3006
ISSN
1466-8033
Appears in Collections:
Center for Molecular Spectroscopy and Dynamics(분자 분광학 및 동력학 연구단) > Journal Papers (저널논문)
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