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Proceedings 2017, 1(4), 401; doi:10.3390/proceedings1040401

Oxygen Sensors Based on Screen Printed Platinum and Palladium Doped Indium Oxides

1
University of Warwick, Coventry CV4 7AL, UK
2
McGowan Sensors Laboratry Ltd., Abingdon, UK
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 11 August 2017
Download PDF [1617 KB, uploaded 15 August 2017]

Abstract

Platinum and palladium doped indium oxide sensors have been successfully fabricated by a screen printing method and tested as oxygen sensors at low temperature (150–400 °C) in a humid environment (~80–85% RH). The sensors, complying with a power law relationship, showed good differentiation at lower temperatures with highest response observed at 200 °C. Platinum had sensitivity of 2.2% per %O2 and power law exponent α = 0.72 vs. 0.3% per %O2 for palladium with power law exponent α = 0.51. Overall, the response of platinum doped indium oxide was higher than the palladium doped version.
Keywords: MOX oxygen sensor; platinum and palladium doped indium oxide; high humidity MOX oxygen sensor; platinum and palladium doped indium oxide; high humidity
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

Sari, W.; Smith, P.; Leigh, S.; Covington, J. Oxygen Sensors Based on Screen Printed Platinum and Palladium Doped Indium Oxides. Proceedings 2017, 1, 401.

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