Preparation and characterization of copper/silver bimetallic nanowires with core‐shell structure | Zendy

Zhao Jun | Zendy; Zhang Dongming | Zendy; Zhang Xiuli | Zendy

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Preparation and characterization of copper/silver bimetallic nanowires with core‐shell structure

Author(s) -

Zhao Jun,

Zhang Dongming,

Zhang Xiuli

Publication year - 2015

Publication title -

surface and interface analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.52

H-Index - 90

eISSN - 1096-9918

pISSN - 0142-2421

DOI - 10.1002/sia.5743

Subject(s) - bimetallic strip , copper , x ray photoelectron spectroscopy , scanning electron microscope , composite number , nanowire , microanalysis , materials science , chemical engineering , chemistry , analytical chemistry (journal) , metal , nanotechnology , metallurgy , composite material , organic chemistry , engineering

Core‐shell copper/silver bimetallic nanowires were prepared by replacement reaction with citric acid and polyvinylpyrollidone at room temperature. A uniform silver coating was obtained by strictly controlling the molar ratio of Ag/Cu. The copper/silver composite was characterized by X‐ray diffraction, scanning electron microscopy, electron probe microanalysis and X‐ray photoelectron spectroscopy. Microscopic analysis shows that a well‐copper/silver core‐shell structure was formed. Thermo‐gravimetry and differential thermal analysis to the composite nanowires show that the silver coatings efficiently inhibit the oxidation of Cu. Copyright © 2015 John Wiley & Sons, Ltd.

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