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Type: 
Journal
Description: 
Single crystal nanostructures of semiconducting tin oxides have been fabricated and characterized as sensing materials for implementation in an electronic nose. The nanowires exhibit exceptional crystalline quality and a very high length-to-width ratio, resulting in enhanced sensing capability as well as long-term material stability for prolonged operation. A sensing device based on SnO2 nanowires has been fabricated and comparatively tested in an array of chemical sensor with conventional thin film sensing device. Preliminary measurements ethanol/water mixtures demonstrate that nanowire-based sensors can be favourably implemented in the electronic nose and that they perform comparably with the conventional thin film layers.
Publisher: 
Pergamon
Publication date: 
5 Jan 2012
Authors: 

Giorgio Sberveglieri, Isabella Concina, Elisabetta Comini, Matteo Falasconi, Matteo Ferroni, Veronica Sberveglieri

Biblio References: 
Volume: 86 Issue: 5 Pages: 532-535
Origin: 
Vacuum