액상/기상중 전기선 폭발법을 이용한 은 나노유체의 제조 및 특성평가에 관한 연구

김창규; 이경자; 이창규; Chang Kyu Kim; Gyoung-Ja Lee; Chang Kyu Rhee

Korean Journal of Materials Research, Vol.19, No.9, 468-472, September, 2009

DOI10.3740/MRSK.2009.19.9.468 Export Citation

액상/기상중 전기선 폭발법을 이용한 은 나노유체의 제조 및 특성평가에 관한 연구

Synthesis and Characterization of Silver Nanofluid Using Pulsed Wire Evaporation Method in Liquid-Gas Mixture

김창규, 이경자, 이창규^†

한국원자력연구원 원자력재료연구부

Chang Kyu Kim, Gyoung-Ja Lee, and Chang Kyu Rhee^†

Nuclear Materials Research Division, Korea Atomic Energy Research Institute (KAERI), Daejeon, 305-353, Republic of Korea

E-mail:

The silver nanofluids were synthesized by the pulsed wire evaporation (PWE) method in a liquid-gas mixture. The size and microstructure of nanoparticles in the deionized water were investigated by a particle size analyzer (PSA), transmission electron microscope (TEM), and scanning electron microscope (SEM). Also, the synthesized nanofluids were investigated in order to assess the stability of dispersion of nanofluid by the zetapotential analyzer and dispersion stability analyzer. The results showed that the spherical silver nanoparticle formed in the deionized water and mean particle size was about 50 nm. Also, when explosion times were in the range of 20~200 times, the absolute value of zeta potential was less than -27 mV and the dispersion stability characteristic of low concentration silver nanofluid was better than the high concentration silver nanofluid by turbiscan.

Keywords:nanofluid;Ag;pulsed wire evaporation;nano-particle;silver

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[1] Kim KH, Sim JH, Bae IH, Korean J. Mater. Res., 18(11), 610 (2008)

[2] Schmin G, Chem. Rev., 92, 1709 (1992)

[3] Jiang W, Yatsui K, IEEE Trans. Plasma. Sci., 26, 1498 (1998)

[4] Hwang CB, Fu YS, Lu YL, Jang SW, Chou PT, Wang CRC, Yu SJ, J. Catal., 195(2), 336 (2000)

[5] Bjerneld EJ, Svedberg F, Kall M, Nano Lett., 3, 593 (2003)

[6] Narayanan R, El-sayed MA, J. Am. Chem. Soc., 3, 8340 (2003)

[7] Choi SUS, Trans. ASME, 131, 033106 (2009)

[8] Chopkar M, Das PK, Manna I, Scr. Mater., 55, 549 (2006)

[9] Zhang ZH, Liu SC, Tang Y, Appl. Phys. Lett., 89, 023123 (2006)

[10] Kirby BJ, Hasselbrink EF, Electrophoresis, 25(2), 187 (2004)

[11] Mengual O, Meunier G, Cayre I, Puech K, Snabre P, Colloids and Surfaces, 152, 111 (1999)

[12] Kotov YA, Samatov OM, Nanostructured Materials, 12, 119 (1999)

[13] Kotov YA, J. Nanoparticle research, 5, 539 (2003)

[14] Hunter RJ, Zeta Potential in Colloid Science, p.386, Academic Press, New York, (1981). (1981)