Synthesis and integration of tin oxide nanowires into an electronic nose

Year: 2012

Authors: Sberveglieri G.; Concina I.; Comini E.; Falasconi M.; Ferroni M.; Sberveglieri V.

Autors Affiliation: CNR IDASC; University of Brescia; Universita di Modena e Reggio Emilia

Abstract: 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. (C) 2011 Elsevier Ltd. All rights reserved.

Journal/Review: VACUUM

Volume: 86 (5)      Pages from: 532  to: 535

DOI: 10.1016/j.vacuum.2011.10.004

Citations: 53
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