Issue 11, 2006
From the journal:

Journal of Materials Chemistry

Photoinduced formation of gold nanoparticles into vinyl alcohol based polymers

Andrea Pucci,*ab   Marco Bernabò,ab   Paolo Elvati,c   L. Itzel Meza,d   Fernando Galembeck,e   Carlos Alberto de Paula Leite,e   Nicola Tirelli*f  and  Giacomo Ruggeriab  

* Corresponding authors

a Department of Chemistry and Industrial Chemistry, University of Pisa, Via Risorgimento 35, Pisa, Italy
E-mail: apucci@dcci.unipi.it

b INSTM, Pisa Research Unit, Via Risorgimento 35, Pisa, Italy
E-mail: apucci@dcci.unipi.it

c Scuola Normale Superiore, Piazza dei Cavalieri 7, Pisa, Italy

d Centre for Microporous Materials, School of Chemistry, University of Manchester, P.O. Box 88, Sackville Street, Manchester, United Kingdom

e Institute of Chemistry, Universidade Estadual de Campinas, P.O. Box 6154, CEP 13084-862, SP, Brazil

f School of Pharmacy and Molecular Materials Centre, University of Manchester, Coupland III, Coupland Street/Oxford Road, Manchester, United Kingdom
E-mail: nicola.tirelli@manchester.ac.uk

Abstract

Nanocomposites based on vinyl alcohol-containing polymers and nanostructured gold have been efficiently prepared by a UV photo-reduction process. The very fast process provided dispersed gold nanoparticles with average diameters ranging from 3 to 20 nm depending on the host polymer matrix and the irradiation time. Uniaxial drawing of the irradiated Au/polymer nanocomposites favours the anisotropic distribution of packed assemblies of gold particles, providing oriented films with polarization-dependent tunable optical properties. These pronounced dichroic properties suggest that the nanocomposite films could find potential applications as colour polarizing filters, radiation responsive polymeric objects and smart flexible films in packaging applications.

Graphical abstract: Photoinduced formation of gold nanoparticles into vinyl alcohol based polymers

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Article information

DOI
https://doi.org/10.1039/B511198F
Article type
Paper
Submitted
05 Aug 2005
Accepted
07 Oct 2005
First published
11 Nov 2005

J. Mater. Chem., 2006,16, 1058-1066

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Photoinduced formation of gold nanoparticles into vinyl alcohol based polymers

A. Pucci, M. Bernabò, P. Elvati, L. I. Meza, F. Galembeck, C. A. de Paula Leite, N. Tirelli and G. Ruggeri, J. Mater. Chem., 2006, 16, 1058 DOI: 10.1039/B511198F

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