Structure of Core-Shell Ni/Au Nanoparticles Synthesized in Two-Stage Process From Aqueous Salt Solutions

  • Yu. A. Zaharov Kemerovo State University, Krasnaya st., 6, 650043 Kemerovo, Russia
  • V. G. Dodonov Kemerovo State University, Krasnaya st., 6, 650043 Kemerovo, Russia
  • V. M. Pugachev Kemerovo State University, Krasnaya st., 6, 650043 Kemerovo, Russia
  • D. M. Russakov Kemerovo State University, Krasnaya st., 6, 650043 Kemerovo, Russia
  • N. V. Ivanova Kemerovo State University, Krasnaya st., 6, 650043 Kemerovo, Russia
  • R. P. Kolmykov Kemerovo State University, Krasnaya st., 6, 650043 Kemerovo, Russia
  • N. K. Yeremenko Institute of Coal Chemistry and Material Science SB RAS, pr. Sovetskiy 18, 650000 Kemerovo, Russia
  • I. I. Obraztsova Institute of Coal Chemistry and Material Science SB RAS, pr. Sovetskiy 18, 650000 Kemerovo, Russia

Abstract

Core-shell Ni/Au nanoparticles are synthesized in a two-stage process in aqueous solutions. The core-shell structure of the synthesized particles is proven by using results of HRTEM, TEM, SAXS and CVA methods. The thickness of the core is estimated at 1 nm and it is formed from 1–2 layers of mutually oriented gold crystallites. The CVA results show that the Au-shells are nanoporous, and that a layer of nickel oxidation products is formed. These results were obtained by using Vis spectrophotometer, TEM, HRTEM, SAXS, CVA and elemental analysis.

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Published
2015-11-20
How to Cite
[1]
Y. Zaharov, “Structure of Core-Shell Ni/Au Nanoparticles Synthesized in Two-Stage Process From Aqueous Salt Solutions”, Eurasian Chem. Tech. J., vol. 17, no. 4, pp. 267-274, Nov. 2015.
Section
Articles

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