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Platform for a hydrocarbon exhaust gas sensor utilizing a pumping cell and a conductometric sensor

Title data

Biskupski, Diana ; Geupel, Andrea ; Wiesner, Kerstin ; Fleischer, Maximilian ; Moos, Ralf:
Platform for a hydrocarbon exhaust gas sensor utilizing a pumping cell and a conductometric sensor.
In: Sensors. Vol. 9 (2009) Issue 9 . - pp. 7498-7508.
ISSN 1424-8220
DOI: https://doi.org/10.3390/s90907498

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No informationFOROXID

Project financing: Bayerische Forschungsstiftung

Abstract in another language

Very often, high-temperature operated gas sensors are cross-sensitive to oxygen and/or they cannot be operated in oxygen-deficient (rich) atmospheres. For instance, some metal oxides like Ga2O3 or doped SrTiO3 are excellent materials for conductometric hydrocarbon detection in the rough atmosphere of automotive exhausts, but have to be operated preferably at a constant oxygen concentration. We propose a modular sensor platform that combines a conductometric two-sensor-setup with an electrochemical pumping cell made of YSZ to establish a constant oxygen concentration in the ambient of the conductometric sensor film. In this paper, the platform is introduced, the two-sensor-setup is integrated into this new design, and sensing performance is characterized. Such a platform can be used for other sensor principles as well.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Research Institutions > Research Units > BERC - Bayreuth Engine Research Center
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Research Institutions
Research Institutions > Research Units
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Profile Fields > Advanced Fields
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 26 Jan 2015 09:35
Last Modified: 11 Apr 2016 09:14
URI: https://eref.uni-bayreuth.de/id/eprint/5684