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Evaluation of Cu nano-colloid prepared by electrical wire explosion in liquid phase  

Yoon, Jae-Cheol (Powder Technology Research Group, Korea Institute of Materials Science)
Yang, Sang Sun (Powder Technology Research Group, Korea Institute of Materials Science)
Yu, Ji-Hun (Powder Technology Research Group, Korea Institute of Materials Science)
Publication Information
Particle and aerosol research / v.6, no.1, 2010 , pp. 37-46 More about this Journal
Abstract
Cu nano-colloid was prepared by wire electric explosion process under de-mineralized water and anhydrous ethanol. To control the properties of Cu nano-colloid, experimental conditions such as diameter of Cu wire and applied voltage were changed. The optimal Cu nano-colloid was prepared when the 0.1mm diameter of Cu wire with the applied voltage of 2000 V was used. The shape of Cu particles in colloid was spherical and the XRD result revealed that the phase of Cu particles was cubic phase. About 20nm Cu nanoparticles with high crystallinity were successfully prepared using wire explosion process under anhydrous ethanol and they showed more than 100 hours dispersion stability.
Keywords
Copper; Electrical wire explosion; Nano-colloid; Dispersion stability;
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Times Cited By KSCI : 3  (Citation Analysis)
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