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Photopolymerization in water of diacetylenes chemisorbed onto noble metal nanoparticles: a spectroscopic study

✍ Scribed by Corinna Raimondo; Marina Alloisio; Anna Demartini; Carla Cuniberti; Giovanna Dellepiane; Sushilkumar A. Jadhav; Giovanni Petrillo; Emilia Giorgetti; Cristina Gellini; Maurizio Muniz-Miranda

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 432 KB
Volume: 40
Category: Article
ISSN: 0377-0486
DOI: 10.1002/jrs.2327

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✦ Synopsis

Abstract

Gold and silver nanoparticles of different size, decorated by a diacetylenic monomer having a COOH anchor group, were prepared in aqueous dispersions. Topochemical polymerization of the colloidal suspensions was obtained by UV irradiation and studied by means of spectroscopic techniques (UV–visible absorption, IR and Raman spectroscopies). A variety of polymer phases were found in the case of silver nanohybrids. The main contribution for this investigation was supplied by the Raman spectra, which provide detailed information on the polymer forms and on the preferred conformation of the alkylic side chains. Copyright © 2009 John Wiley & Sons, Ltd.

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