Please use this identifier to cite or link to this item: doi:10.22028/D291-30483
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Title: A novel approach towards calibrated measurement of trace gases using metal oxide semiconductor sensors
Author(s): Schultealbert, Caroline
Baur, Tobias
Schütze, Andreas
Boettcher, Stefan
Sauerwald, Tilman
Language: English
Title: Sensors and actuators : international journal devoted to research and development of physical and chemical transducers. B, Chemical
Volume: 239
Startpage: 390
Endpage: 396
Publisher/Platform: Elsevier
Year of Publication: 2017
Publikation type: Journal Article
Abstract: We present a method for quantitative measurements of metal oxide semiconductor gas sensors (MOS) which is based on relaxation of surface states using temperature cycled operation (TCO). The method provides sensor response to toluene in form of a power law and a reliable quantification in the concentration range of about 10 ppb to 10 ppm. For the calibration of the sensor, a method is developed based on the equilibrium vapour headspace over a liquid solution of toluene and squalane yielding reliable concentrations in the range of 10 ppb to 600 ppm. The calibration method was shown to be stable under ambient conditions and thus to be applicable for field calibration of gas sensors.
DOI of the first publication: 10.1016/j.snb.2016.08.002
URL of the first publication: https://www.sciencedirect.com/science/article/abs/pii/S0925400516312278
Link to this record: hdl:20.500.11880/28869
http://dx.doi.org/10.22028/D291-30483
ISSN: 0925-4005
Date of registration: 16-Mar-2020
Faculty: NT - Naturwissenschaftlich- Technische Fakultät
Department: NT - Systems Engineering
Professorship: NT - Prof. Dr. Andreas Schütze
Collections:UniBib – Die Universitätsbibliographie

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