Particle and aerosol research (한국입자에어로졸학회지)

Korean Association for Particle and Aerosol Research (한국입자에어로졸학회)
권호 표지

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

액중 전기선폭발법으로 제조된 구리 나노콜로이드의 특성 평가

  • 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)
  • 윤재철 (한국기계연구원 부설 재료연구소 분말기술연구그룹) ;
  • 양상선 (한국기계연구원 부설 재료연구소 분말기술연구그룹) ;
  • 유지훈 (한국기계연구원 부설 재료연구소 분말기술연구그룹)
  • Received : 2010.03.02
  • Accepted : 2010.03.22
  • Published : 2010.03.30
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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

References

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