Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Production and Properties of Ag Metallic Nanoparticle Fluid by Electrical Explosion of Wire in Liquid

유체 내 전기선폭발법에 의한 은 나노입자 유체의 제조 및 특성

  • Park, E.J. (School of Materials Science & Engineering, University of Ulsan) ;
  • Bac, L.H. (School of Materials Science & Engineering, University of Ulsan) ;
  • Kim, J.S. (School of Materials Science & Engineering, University of Ulsan) ;
  • Kwon, Y.S. (School of Materials Science & Engineering, University of Ulsan) ;
  • Kim, J.C. (School of Materials Science & Engineering, University of Ulsan) ;
  • Choi, H.S. (School of Biological Sciences, University of Ulsan) ;
  • Chung, Y.H. (SolcoNanoadvance Inc.)
  • 박은주 (울산대학교 첨단소재공학부) ;
  • ;
  • 김지순 (울산대학교 첨단소재공학부) ;
  • 권영순 (울산대학교 첨단소재공학부) ;
  • 김진천 (울산대학교 첨단소재공학부) ;
  • 최혜선 (울산대학교 생명과학부) ;
  • 정용훈 ((주)솔고나노어드밴스)
  • Published : 2009.06.28
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Abstract

This paper presents a novel single-step method to prepare the Ag nanometallic particle dispersed fluid (nanofluid) by electrical explosion of wire in liquid, deionized water (DI water). X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM) and transmission electron microscope (TEM) were used to investigate the characteristics of the Ag nanofluids. Zeta potential was also used to measure the dispersion properties of the as-prepared Ag nanofluid. Pure Ag phase was detected in the nanofluids using water. FE-SEM analysis shows that the size of the particles formed in DI water was about 88 nm and Zeta potential value was about -43.68 without any physical and chemical treatments. Thermal conductivity of the as-prepared Ag particle dispersed nanofluid shows much higher value than that of pure DI water.

Keywords

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