Issue 4, 2009

Scalable heterogeneous synthesis of metallic nanoparticles and aggregates with polyvinyl alcohol

Abstract

Here we report on a new route to synthesize colloidal silver and gold nanoparticles, potentially scalable for massive nanoparticle-production. This method is based on the microwave-assisted heterogeneous reduction of the metal salts with polyvinylalcohol. The reaction is carried out in alcohols, which are non-solvents for polyvinylalcohol. Nanoparticles can be very easily separated by filtration. The reaction kinetics are extremely fast. Size-controlled formation of nanoparticle agglomerates is accomplished with a seed-mediated synthesis of nanoparticles upon MW exposure.

Graphical abstract: Scalable heterogeneous synthesis of metallic nanoparticles and aggregates with polyvinyl alcohol

Article information

Article type
Paper
Submitted
27 Oct 2008
Accepted
19 Dec 2008
First published
12 Feb 2009

New J. Chem., 2009,33, 913-917

Scalable heterogeneous synthesis of metallic nanoparticles and aggregates with polyvinyl alcohol

R. Abargues, R. Gradess, J. Canet-Ferrer, K. Abderrafi, J. Luís. Valdés and J. Martínez-Pastor, New J. Chem., 2009, 33, 913 DOI: 10.1039/B819027E

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