Optimal synthesis and characterization of Ag nanofluids by electrical explosion of wires in liquids
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- Optimal synthesis and characterization of Ag nanofluids by electrical explosion of wires in liquids
- Park, Eun Ju; Lee, Seung Won; Bang, In Cheol; Park, Hyung Wook
- Ag nanoparticle; Electrical explosion; Fabrication method; Field emission scanning electron microscopy; Liquid volume; Manufacturing process parameters; Morphology and size; Nano-fluid; Nanofluids; Optimal conditions; Optimal synthesis; Optimization techniques; Pure water; Silver nanoparticles; Wire length
- Issue Date
- NANOSCALE RESEARCH LETTERS, v.6, no.1, pp.x1 - 10
- Silver nanoparticles were produced by electrical explosion of wires in liquids with no additive. In this study, we optimized the fabrication method and examined the effects of manufacturing process parameters. Morphology and size of the Ag nanoparticles were determined using transmission electron microscopy and field-emission scanning electron microscopy. Size and zeta potential were analyzed using dynamic light scattering. A response optimization technique showed that optimal conditions were achieved when capacitance was 30 mu F, wire length was 38 mm, liquid volume was 500 mL, and the liquid type was deionized water. The average Ag nanoparticle size in water was 118.9 nm and the zeta potential was -42.5 mV. The critical heat flux of the 0.001-vol.% Ag nanofluid was higher than pure water.
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