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H2S sensing in dry and humid H2 environment with p-type CuO thick film gas sensors
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Urasinska-Wojcik, Barbara and Gardner, J. W. (2018) H2S sensing in dry and humid H2 environment with p-type CuO thick film gas sensors. IEEE Sensors Journal, 18 (9). pp. 3502-3508. doi:10.1109/JSEN.2018.2811462 ISSN 1530-437X.
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Official URL: http://doi.org/10.1109/JSEN.2018.2811462
Abstract
In this study we report for the first time detailed analysis of a p-type copper oxide based MEMS gas sensor to low ppm levels of hydrogen sulfide in a pure hydrogen environment and under various operating temperatures and humidity conditions. The p-type metal oxide sensing response to hydrogen sulfide seems to be reasonably stable and reversible under both dry and humid hydrogen ambiences. The response was sensitive to significant changes in ambient humidity, but was found to have no cross-sensitivity to carbon monoxide in dry and humid hydrogen. We believe that these copper oxide gas sensors could be exploited in harsh applications, i.e. in a gas contamination
detector for testing the quality of hydrogen fuel.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TP Chemical technology | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Library of Congress Subject Headings (LCSH): | Gas detectors, Metal oxide semiconductors, Metallic oxides -- Properties, Hydrogen sulfide, Copper oxide, Humidity | ||||||||
Journal or Publication Title: | IEEE Sensors Journal | ||||||||
Publisher: | Institute of Electrical and Electronic Engineers | ||||||||
ISSN: | 1530-437X | ||||||||
Official Date: | 1 May 2018 | ||||||||
Dates: |
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Volume: | 18 | ||||||||
Number: | 9 | ||||||||
Page Range: | pp. 3502-3508 | ||||||||
DOI: | 10.1109/JSEN.2018.2811462 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 6 March 2018 | ||||||||
Date of first compliant Open Access: | 6 March 2018 | ||||||||
RIOXX Funder/Project Grant: |
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