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Facile synthesis of stable subnanosized silver clusters in microemulsions

AuthorsLedo-Suárez, Ana; Rivas, José; Rodríguez-Abreu, Carlos ; Rodríguez, María José; Pastor, Elena; Hernández-Creus, Alberto; Oseroff, Saul B.; López Quintela, Arturo
Scannin Probe microscopy
Issue Date17-Oct-2007
PublisherJohn Wiley & Sons
CitationAngewandte Chemie International Ed 46(46): 8823-8827 (2007)
AbstractMetallic clusters are very important for technological applications, owing to their fascinating and unusual properties. However, advances in this field are inhibited by the difficulty of preparing monodisperse clusters in macroscopic quantities. For this purpose, different chemical approaches have been tried by using dendrimers, thiol cappings, microemulsions, and vesicles. Most of these methods are based on well-developed techniques used for the preparation of monodisperse nanoparticles. A classical procedure for the preparation of nanoparticles is the microemulsion method. With this method, it is possible to obtain nanodroplets of water dispersed in oil by using surfactants and/or amphiphilic block copolymers. These nanodroplets are used as nanoreactors to obtain nanoparticles with well-defined sizes.
Description5 pages, 6 figures.-- PMID: 17943930 [PubMed].-- Supplementary information (figures S1-S5) available at: http://www.wiley-vch.de/contents/jc_2002/2007/z702427_s.pdf
Publisher version (URL)http://dx.doi.org/10.1002/anie.200702427
Appears in Collections:(IQAC) Artículos
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