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

研究成果: 雜誌貢獻文章

80 引文 斯高帕斯(Scopus)

摘要

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.

原文英語
頁(從 - 到)118-123
頁數6
期刊Chemical Physics Letters
421
發行號1-3
DOIs
出版狀態已發佈 - 2006 四月 3

ASJC Scopus subject areas

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

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