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Proceedings 2017, 1(4), 434;

Acetone Detection by Chemical Sensors Based on Tungsten and Titanium Oxide Nanowires

SENSOR Laboratory University of Brescia and CNR-INO, Via D. Valotti 9, 25133 Brescia, Italy
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Author to whom correspondence should be addressed.
Published: 21 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
PDF [1062 KB, uploaded 14 October 2017]


Tungsten and titanium oxide (WO3/Ti) nanowires (NWs) were grown by thermal oxidation of a tungsten and titanium alloy (WTi) metallic layer deposited on 2 × 2 mm2 alumina substrates by DC magnetron sputtering. Thermal oxidation was carried out in a custom evaporator chamber. Several parameters were controlled to achieve the optimal growth conditions. Morphological and structural analysis were performed on samples by a scanning electron microscope (SEM) and RAMAN spectroscopy, respectively. Nanowires, grown directly on the final transducer, were tested towards different gaseous species in a wide range of working temperatures. In this work, results obtained in presence of acetone are proposed.
Keywords: acetone; nanowires; tungsten; titanium; chemical sensor acetone; nanowires; tungsten; titanium; chemical sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Bertuna, A.; Comini, E.; Poli, N.; Zappa, D.; Sberveglieri, G. Acetone Detection by Chemical Sensors Based on Tungsten and Titanium Oxide Nanowires. Proceedings 2017, 1, 434.

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