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A green synthesis process was developed for the production of PVP-coated noble metal nanoparticles in the form of stable nanosols. Water is the environmentally benign solvent; glucose serves as a mild, renewable and non-toxic reducing agent and microwave irradiation is an effective and fast heating technique. The same green process has been optimized to obtain several metal nanoparticles (Au, Ag, Cu, Pd), and therefore encourages the easy preparation of bimetallic nanostructures. Nanosols were characterized by dynamic light scattering DLS, HR-TEM, UV-Vis spectroscopy, XRD and ICP-AES. The total reaction yield for all the samples was assessed, the prepared nanoparticles were spherical shaped with an average diameter ranging from 3 to 20 nm. Nanosols with excellent stability over several months, achieved even for high solid contents, were prepared. Additionally, it is shown that all of the …
Royal Society of Chemistry
Publication date: 
1 Jan 2014

M Blosi, S Albonetti, S Ortelli, AL Costa, L Ortolani, M Dondi

Biblio References: 
Volume: 38 Issue: 4 Pages: 1401-1409
New Journal of Chemistry