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 | Nanotech 2004 Vol. 3
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 6: Nano Composites |
| | A Novel Synthesis of Co@Au Nanoparticles and Characterization | | Authors: | Z. Ban and C.J. O'Connor | | Affilation: | University of New Orleans, US | | Pages: | 320 - 322 | | Keywords: | core-shell structure, cobalt, gold, non-aqueous method, nanoparticle, magnetic materials | | Abstract: | A homogeneous non-aqueous solution reactions method has been developed to prepare gold-coated cobalt (Co@Au) nanoparticles. After the sample was washed with 8% HCl, TGA, XRD, TEM, and magnetic measurements SQUID are utilized to characterize the nanocomposites. TGA shows the weight change in atmosphere of air and hydrogen. XRD shows the pattern of sample. TEM results show that the average size of Co@Au nanoparticles is about 10 nm and we can find core-shell structure of the sample. SQUID results show that the particles are ferromagnetic materials at 300K. So the gold-coated cobalt nanoparticles (Co@Au) can be successfully prepared by the homogeneous non-aqueous approach. This kind of core-shell materials are stable in acid condition, which would give many opportunities for bio- application. | | ISBN: | 0-9728422-9-2 |
| Pages: | 561 |
| Hardcopy: | $150.00 |
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