Issue 14, 2009
From the journal:

Journal of Materials Chemistry

Self-assembled gold nanoparticle monolayers in sol–gel matrices: synthesis and gas sensing applications

Dario Buso,a   Lauren Palmer,b   Valentina Bello,c   Giovanni Mattei,c   Michael Post,d   Paul Mulvaneyb  and  Alessandro Martucci*a  

* Corresponding authors

a Dipartimento di Ingegneria Meccanica Settore Materiali, Università di Padova, Via Marzolo, 9, Padova, Italy

b School of Chemistry University of Melbourne, Parkville, VIC, Australia

c Dipartimento di Fisica, Università di Padova, Via Marzolo, 8, Padova, 35131, Italy

d Institute for Chemical Process and Environmental Technology, National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario, Canada

Abstract

Gold nanoparticle monolayers have been deposited on amino-functionalized commercial glass and on sol–gel glass surfaces using a fast chemisorption protocol. The nanoparticle surface coverage could be tuned by varying the deposition conditions. The nanoparticle monolayers have been embedded into SiO2 sol–gel matrices to study the feasibility of this approach for the engineering of sol–gel based nano-composites. The same approach has been used for obtaining Au–NiO multilayer films which showed a reversible absorbance change when exposed to CO (100–10000 ppm) at 300 °C operating temperature.

Graphical abstract: Self-assembled gold nanoparticle monolayers in sol–gel matrices: synthesis and gas sensing applications

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Article information

DOI
https://doi.org/10.1039/B817668J
Article type
Paper
Submitted
09 Oct 2008
Accepted
19 Dec 2008
First published
11 Feb 2009

J. Mater. Chem., 2009,19, 2051-2057

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Self-assembled gold nanoparticle monolayers in sol–gel matrices: synthesis and gas sensing applications

D. Buso, L. Palmer, V. Bello, G. Mattei, M. Post, P. Mulvaney and A. Martucci, J. Mater. Chem., 2009, 19, 2051 DOI: 10.1039/B817668J

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