Monodispersed gold coated Superparamagnetic Iron Oxide Nanoparticles (SPION) were prepared in water-in-oil reverse microemulsion (μE) of CTAB (cetyltrimethyl -ammonium bromide)/octane/butanol/water and Brij@97/cyclohexane/water. Gold coated SPION were obtained in the μE system by coprecipitation of magnetite and subsequent reduction of Au on the surface of the magnetite using NaBH4. The SPION were characterized by TEM with EDX, AFM, TGA, ESA, UV-Vis spectroscopy, and SQUID at intermediate and final stages.
This is a preview of subscription content, access via your institution.
Buy single article
Instant access to the full article PDF.
Tax calculation will be finalised during checkout.
E. Papirer, E. Walter, A. Vidal, B. Siffert and H. Jakusch, J. Colloid Interface Sci. 193, 291 (1997)
M. A. Lopez-Quintela, J Rivas, J. Colloid Interface Sci., 158, 446 (1993)
D. W. Kim, S. G. Oh, and J. D. Lee, Langmuir, 15, 1599 (1999)
R. Massart, V. Cabuil, J. Phys. Chem., 84, 967 (1987)
C. G. Granqvist, R. H. Buhrman, J. Appl. Phys., 47, 2200 (1976)
D. K. Kim, Y. Zhang, W. Voit, K.V. Rao, and M. Muhammed, J. Magn. Magn. Mater. 225/1-2, 30 (2001)
Y. Saado, T. Ji, M. Golosovsky, D. Daidov, Y. Avni and A. Frenkel, Optical Materials, 17, 1 (2001)
About this article
Cite this article
Kim, D.K., Mikhailova, M., Toprak, M. et al. In-situ Gold Coating of Superparamagnetic Nanoparticles by Microemulsion Method. MRS Online Proceedings Library 704, 6281 (2001). https://doi.org/10.1557/PROC-704-W6.28.1