publication . Conference object . 2017

deposition of tungsten oxide and silver decorated tungsten oxide for use in oxygen gas sensing

Sari, W. P.; Blackman, C.; Zhu, Y.; Covington, J.;
Open Access
  • Published: 01 Jan 2017
  • Publisher: IEEE
  • Country: United Kingdom
Abstract
Tungsten oxide and silver-decorated tungsten oxide were investigated for the detection of oxygen in a humid environment. The sensor materials were deposited onto alumina sensor substrates via aerosol-assisted chemical vapour deposition. Results indicated that our sensors showed good sensitivity to oxygen, following an almost a linear relationship over a 0 to 20% concentration range. In comparison to WO 3 , the Ag-decorated sensors showed a much higher sensitivity and better response (sensitivity of 0.22 per %O 2 vs 0.80 per %O 2 for Ag decorated), making Ag-WO 3 based sensors an interseting alternative to existing Pb-based sensors for quantitative oxygen sensing...
Subjects
free text keywords: Deposition (law), Analytical chemistry, Oxygen gas, Oxygen, chemistry.chemical_element, chemistry, Tungsten, Tungsten oxide, Engineering, business.industry, business, Temperature measurement, Chemical vapor deposition, Chemical engineering, Sensitivity, Tungsten, Silver, Temperature sensors, Temperature measurement, Substrates, Films
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publication . Conference object . 2017

deposition of tungsten oxide and silver decorated tungsten oxide for use in oxygen gas sensing

Sari, W. P.; Blackman, C.; Zhu, Y.; Covington, J.;