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HC-sensor for exhaust gases based on semiconducting doped SrTiO3 for On-Board Diagnosis

Title data

Sahner, Kathy ; Fleischer, Maximilian ; Magori, Erhard ; Meixner, Hans ; Deerberg, Jürgen ; Moos, Ralf:
HC-sensor for exhaust gases based on semiconducting doped SrTiO3 for On-Board Diagnosis.
In: Sensors and Actuators B: Chemical. Vol. 114 (2006) Issue 2 . - pp. 861-868.
ISSN 0925-4005
DOI: https://doi.org/10.1016/j.snb.2005.08.005

Official URL: Volltext

Abstract in another language

In this contribution, a multilayer resistive sensor based on catalytically activated and non-activated SrTiO3 is presented as a device for lean hydrocarbon sensing. This set-up should enable a compensation of oxygen cross interference. Whereas the catalytically activated part merely detects a variation in the oxygen equilibrium concentration in presence of hydrocarbons, the non-activated part strongly interacts with the reducing gases.

Promising results with respect to stable sensor signals covering a wide hydrocarbon concentration range have been obtained using ethane and propane as hydrocarbon species. The sensor response is found to depend on the chain length of the used hydrocarbons. Using both sensor signals, an evaluation method for oxygen compensation has been studied. In addition, the cross interference of other common exhaust components has been investigated.

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
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
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 Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 26 Jan 2015 09:29
Last Modified: 06 Apr 2016 06:44
URI: https://eref.uni-bayreuth.de/id/eprint/6001