Faster Response Times of Rare-Earth Oxycarbonate Based Co2 Sensors and Another Readout Strategy for Real-World Applications

The contribution presents the results of investigations performed on the new class of CO2 chemoresistive materials based on rare earths oxy-carbonates. Firstly, the performance an alternative senso2r readout parameter, work function, is presented together with a comparison between the effect of the...

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Bibliographic Details
Published inProcedia engineering Vol. 25; pp. 1429 - 1432
Main Authors Haensch, A., Borowski, D., Barsan, N., Koziej, D., Niederberger, M., Weimar, U.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2011
Subjects
chemoresistive
CO2 gas sensor
Rare earth oxy carbonate
response time
workfunction
workfunction
Rare earth oxy carbonate
response time
chemoresistive
CO2 gas sensor
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Summary:The contribution presents the results of investigations performed on the new class of CO2 chemoresistive materials based on rare earths oxy-carbonates. Firstly, the performance an alternative senso2r readout parameter, work function, is presented together with a comparison between the effect of the target gas, CO, and main interferent, water vapor. Afterwards, new synthesis routes, targeting the lowering of the sensitive materials costs are described together with sensing performance obtained in realistic application conditions.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2011.12.353