Issue 48, 2009
From the journal:

Journal of Materials Chemistry

Localized surface plasmon resonance sensor based on Ag-PVA nanocomposite thin films

Rachid Gradess,ab   Rafael Abargues,*a   Abderrahim Habbou,b   Josep Canet-Ferrer,a   Esteban Pedrueza,a   Aidan Russell,a   José L. Valdésa  and  Juan P. Martínez-Pastora  

* Corresponding authors

a Material Science Institute, University of Valencia, P.O. Box 22085, Valencia, Spain
E-mail: Rafael.Abargues@uv.es, Juan.Mtnez.Pastor@uv.es

b Department of Physics, Faculty of Sciences and Techniques, B.P. 146, Mohammedia, Morocco

Abstract

In this work we demonstrate the use of nanocomposite thin films of poly(vinyl alcohol) with embedded silver NPs for chemosensing purposes. Silver NPs are in situ synthesized inside polyvinyl alcohol during the bake step of the formation of a nanocomposite thin film. The polymer in the nanocomposite provides an appropriate chemical and electromagnetic environment for metal NPs in order to interact with and hence detect the chemical species. A limit of detection below 20 nM is found when detecting 2-mercaptoethanol as the analyte, when measuring spectral changes (peak wavelength, linewidth and intensity) in the Localized Surface Plasmon Resonance. Potential qualitative and semi-quantitative sensors based on such nanocomposites would be easy-to-prepare, easy-to-use and low-cost, which are the basis of a fully disposable sensing platform technology.

Graphical abstract: Localized surface plasmon resonance sensor based on Ag-PVA nanocomposite thin films

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Article information

DOI
https://doi.org/10.1039/B910020B
Article type
Paper
Submitted
20 May 2009
Accepted
06 Oct 2009
First published
30 Oct 2009

J. Mater. Chem., 2009,19, 9233-9240

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Localized surface plasmon resonance sensor based on Ag-PVA nanocomposite thin films

R. Gradess, R. Abargues, A. Habbou, J. Canet-Ferrer, E. Pedrueza, A. Russell, J. L. Valdés and J. P. Martínez-Pastor, J. Mater. Chem., 2009, 19, 9233 DOI: 10.1039/B910020B

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