XAFS studies of gold and silver-gold nanoparticles in aqueous solution
Journal Article
·
· J. Synchrotron Rad.
OSTI ID:1006367
- University of Florida
The X-ray absorption fine structure (XAFS) of colloidal Au and Au/Ag nanoparticles (3.5 nm and 20 nm mean diameter) in an aqueous solution has been investigated. Size dependent alloying was observed upon deposition of Ag on Au core. Ag forms distinct layers around the 20 nm Au nanoparticles. In contrast, random mixing is found for Ag deposited on 3.5 nm Au particles.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1006367
- Journal Information:
- J. Synchrotron Rad., Vol. 8, Issue 2001; ISSN 0909-0495
- Country of Publication:
- United States
- Language:
- ENGLISH
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