Metal Oxide Semi-Conductor Gas Sensors in Environmental Monitoring

Clicks: 320
ID: 115639
2010
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Abstract
Metal oxide semiconductor gas sensors are utilised in a variety of different roles and industries. They are relatively inexpensive compared to other sensing technologies, robust, lightweight, long lasting and benefit from high material sensitivity and quick response times. They have been used extensively to measure and monitor trace amounts of environmentally important gases such as carbon monoxide and nitrogen dioxide. In this review the nature of the gas response and how it is fundamentally linked to surface structure is explored. Synthetic routes to metal oxide semiconductor gas sensors are also discussed and related to their affect on surface structure. An overview of important contributions and recent advances are discussed for the use of metal oxide semiconductor sensors for the detection of a variety of gases—CO, NOx, NH3 and the particularly challenging case of CO2. Finally a description of recent advances in work completed at University College London is presented including the use of selective zeolites layers, new perovskite type materials and an innovative chemical vapour deposition approach to film deposition.
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fine2010sensorsmetal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors George F. Fine;Leon M. Cavanagh;Ayo Afonja;Russell Binions;Fine, George F.;Cavanagh, Leon M.;Afonja, Ayo;Binions, Russell;
Journal sensors
Year 2010
DOI
10.3390/s100605469
URL
https://www.mdpi.com/1424-8220/10/6/5469
Keywords
environmental monitoring semiconductor zeolites metal oxides

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