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Proceedings 2017, 1(4), 438; doi:10.3390/proceedings1040438

Cobalt or Silver Doped WO3 Nanowires Deposited by a Two-Step AACVD for Gas Sensing Applications

MINOS-EMaS, Universitat Rovira i Virgili, Tarragona, Spain
Presented at the Eurosensors 2017 Conference, Paris, 3–6 September 2017.
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Published: 18 August 2017
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Abstract

A two-step procedure was implemented to obtain tungsten oxide nanowires (WO3) doped with cobalt or silver oxide nanoparticles from metal-organic precursors, W(CO)6, Co(acac)2 and Ag(acac)2. In the first step, nanowires were grown at 400 °C using an aerosol assisted chemical vapor deposition system (AA-CVD) and subsequently annealed at 500 °C for 2 h. In the second step, metal loading (at different doping levels) of the nanowires using the same system. These hybrid nanomaterials were grown on top of commercial alumina substrates that comprised interdigitated electrodes. The response of these nanomaterials toward H2S and H2 is investigated and discussed.
Keywords: nanowires; oxide nanoparticles; WO3; Co; Ag; CVD; gas sensing nanowires; oxide nanoparticles; WO3; Co; Ag; CVD; gas sensing
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

Navarrete, E.; González, E.; Vilic, T.; Llobet, E. Cobalt or Silver Doped WO3 Nanowires Deposited by a Two-Step AACVD for Gas Sensing Applications. Proceedings 2017, 1, 438.

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