期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 281, 期 1-3, 页码 119-124出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2006.02.024
关键词
palladium; reverse micelle; self-organization; UV-vis spectrum
Pd nanoparticles capped by thiol derivatives were prepared in AOT reverse micelles. Studies of UV-vis spectra have indicated that nitrogen purging plays an important role in the formation of Pd nanoparticles while without nitrogen purging results in the formation of Pd(II)-S complexes. Experimental results have also shown that thiolated poly(ethylene glycol) and tiopronin, which could be used to form water-soluble gold nanoparticles, did not favor the formation of isolated water-soluble Pd nanoparticles. However, tiopronin-capped Pd nanoparticles are found to be able to self-organize into nearly spherical aggregates. (c) 2006 Elsevier B.V. All rights reserved.
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