Fabrication of nanorattles with passive shell

Ming Chen Hao, Ru Shi Liu, Kiyotaka Asakura, Jyh Fu Lee, Ling Yun Jang, Shu Fen Hu

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37 Citations (Scopus)

Abstract

This investigation describes the formation of a metal nanorattle with a pure metal shell by varying experimental parameters. The galvanic replacement reaction between silver and chloroauric acid was adopted to prepare hollow metal nanoparticles. This approach is extended to produce nanorattles of Au cores and Au shells by starting with AucoreAgshell nanoparticles as templates. The effect of temperature on the nanostructure of the final product is also considered. The composition of the shell in nanorattles can be controlled by varying the reaction temperature (to form pure gold or gold-silver alloy, for example). X-ray absorption fine structure spectroscopy is conducted to elucidate the fine structure of these nanoparticles. Partial alloying between the Au core and the Ag shell is observed by extended X-ray absorption fine structure (EXAFS).

Original languageEnglish
Pages (from-to)19162-19167
Number of pages6
JournalJournal of Physical Chemistry B
Volume110
Issue number39
DOIs
Publication statusPublished - 2006 Oct 5

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Hao, M. C., Liu, R. S., Asakura, K., Lee, J. F., Jang, L. Y., & Hu, S. F. (2006). Fabrication of nanorattles with passive shell. Journal of Physical Chemistry B, 110(39), 19162-19167. https://doi.org/10.1021/jp061886h