Structural properties of naked gold nanoparticles formed by synchrotron X-ray irradiation

The formation of colloidal unmodified (naked) gold nanoparticles is investigated by irradiation of a precursor solution with X-rays from a synchrotron source. An interesting morphological evolution as a function of exposure time, from cross-linked network-like structure to individual particles, has been discovered. The particle size decreased with the exposure time and was influenced by the ionic strength of the precursor solution. Contrary to gamma-ray exposure, an OH radical scavenger was not required for cluster formation.


Published in:
Journal of synchrotron radiation, 14, Pt 6, 477-82
Year:
2007
Publisher:
International Union of Crystallography
ISSN:
0909-0495
Keywords:
Laboratories:




 Record created 2013-04-25, last modified 2018-03-18


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