期刊
JOURNAL OF SYNCHROTRON RADIATION
卷 14, 期 -, 页码 477-482出版社
BLACKWELL PUBLISHING
DOI: 10.1107/S0909049507044743
关键词
structure; morphology; gold nanoparticles
资金
- National Research Foundation of Korea [R16-2006-031-01001-0, 과C6A2006] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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.
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