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Proceedings 2017, 1(4), 434; doi:10.3390/proceedings1040434

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.
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Published: 21 August 2017
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Abstract

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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MDPI and ACS Style

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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