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Poisoning of Temperature Independent Resistive Oxygen Sensors by Sulfur Dioxide

Title data

Rettig, Frank ; Moos, Ralf ; Plog, Carsten:
Poisoning of Temperature Independent Resistive Oxygen Sensors by Sulfur Dioxide.
In: Journal of Electroceramics. Vol. 13 (2004) Issue 1-3 . - pp. 733-738.
ISSN 1573-8663
DOI: https://doi.org/10.1007/s10832-004-5184-x

Official URL: Volltext

Abstract in another language

Sulfur dioxide strongly affects temperature independent resistive oxygen sensors of SrTi1-xFexO3-δ.Time dependent sensor deterioration was investigated for lanthanum doped SrTi0.65Fe0.35O3-δ(STF35). Parameters were sulfur dioxide concentration, oxygen partial pressure, temperature, and sensor morphology. The sensor poisoning consists of two steps. At lower temperatures sulfur dioxide adsorption and sulfate ion formation at the grain surface is suggested. At higher temperatures the material decomposes into SrSO4,iron depleted STF35, and Fe2TiO5.

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: 03 Feb 2015 06:15
Last Modified: 05 Apr 2016 06:49
URI: https://eref.uni-bayreuth.de/id/eprint/6155