Production and Properties of Ag Metallic Nanoparticle Fluid by Electrical Explosion of Wire in Liquid

E.J. Park; L.H. Bac; J.S. Kim; Y.S. Kwon; J.C. Kim; H.S. Choi; Y.H. Chung

doi:10.4150/KPMI.2009.16.3.217

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유체 내 전기선폭발법에 의한 은 나노입자 유체의 제조 및 특성: 박은주, 박은주, 김지순, 권영순, 김진천, 최혜선, 정용훈
Production and Properties of Ag Metallic Nanoparticle Fluid by Electrical Explosion of Wire in Liquid: E.J. Park, L.H. Bac, J.S. Kim, Y.S. Kwon, J.C. Kim, H.S. Choi, Y.H. Chung; Journal of Korean Powder Metallurgy Institute 2009;16(3):217-222
DOI: https://doi.org/10.4150/KPMI.2009.16.3.217

¹울산대학교 첨단소재공학부
²울산대학교 첨단소재공학부
³울산대학교 첨단소재공학부
⁴울산대학교 첨단소재공학부
⁵울산대학교 첨단소재공학부
⁶울산대학교 생명과학부
⁷(주)솔고나노어드밴스
¹School of Materials Science & Engineering, University of Ulsan
²School of Materials Science & Engineering, University of Ulsan
³School of Materials Science & Engineering, University of Ulsan
⁴School of Materials Science & Engineering, University of Ulsan
⁵School of Materials Science & Engineering, University of Ulsan
⁶School of Biological Sciences, University of Ulsan
⁷SolcoNanoadvance Inc.

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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: Nanofluid;Dispersion property;Electrical explosion of wire;

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