Characterization of core-shell type and alloy Ag/Au bimetallic clusters by using extended X-ray absorption fine structure spectroscopy

H. M. Chen, R. S. Liu, L. Y. Jang, J. F. Lee, Shu-Fen Hu

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

Bimetallic silver and gold nanoparticles, a core-shell type structure, have been prepared by NaBH4 reduction method. The optical absorption spectra are recorded and compared with various ratios of Ag/Au alloy nanoparticles. The absorption spectra of bimetallic nanoparticles suggested the formation of core-shell structure. On the other hand, the high resolution transmission electron microscopy image of the nanoparticles confirmed the core-shell type configuration directly. Moreover, we studied the surrounding environment of core-shell type and alloy nanoparticles around gold atoms by using extended X-ray absorption fine structure spectroscopy.

Original languageEnglish
Pages (from-to)118-123
Number of pages6
JournalChemical Physics Letters
Volume421
Issue number1-3
DOIs
Publication statusPublished - 2006 Apr 3

Fingerprint

Extended X ray absorption fine structure spectroscopy
fine structure
Nanoparticles
nanoparticles
spectroscopy
x rays
Gold
Absorption spectra
gold
absorption spectra
High resolution transmission electron microscopy
Silver
Light absorption
optical spectrum
optical absorption
silver
Atoms
transmission electron microscopy
high resolution
configurations

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Characterization of core-shell type and alloy Ag/Au bimetallic clusters by using extended X-ray absorption fine structure spectroscopy. / Chen, H. M.; Liu, R. S.; Jang, L. Y.; Lee, J. F.; Hu, Shu-Fen.

In: Chemical Physics Letters, Vol. 421, No. 1-3, 03.04.2006, p. 118-123.

Research output: Contribution to journalArticle

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