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Dosimeter for Low-Level NOx Detection – Influence of the Deposition Method of the NOx Storage Film

Title data

Schönauer-Kamin, Daniela ; Schubert, Michael ; Jännsch, Yannick ; Kurz, H. ; Marr, Isabella ; Moos, Ralf:
Dosimeter for Low-Level NOx Detection – Influence of the Deposition Method of the NOx Storage Film.
In: 17th International Meeting on Chemical Sensors - IMCS 2018. - Wien , 2018 . - pp. 558-559
ISBN 978-3-9816876-9-9
DOI: https://doi.org/10.5162/IMCS2018/P1GS.21

Official URL: Volltext

Abstract in another language

The detection of low-level NOx concentrations and the dose of NOx for air-quality monitoring (AQM) is still a huge task and a widely discussed topic. Dosimeter-type NOx sensors detect directly the NOx dose and are advantageous considering mean value detection, linearity of sensor responses, and drift phenomena. The electrical properties of a NOx storage film, here potassium permanganate impregnated on alumina powder, depend linearly on the amount of sorbed NOx. The electrical resistance correlates very well with the amount of formed nitrate and nitrite species. The influence of the deposition method of the sensitive NOx storage material on the characteristic behavior of the dosimeter-type sensors is investigated. Aerosol-deposited dense films (ADM films) behave like porous thick-films, but typical sensor characteristics like detection limits and relative resistance changes seem to be different.

Further data

Item Type: Article in a book
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
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
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: 23 Jul 2018 09:02
Last Modified: 24 Sep 2018 09:58
URI: https://eref.uni-bayreuth.de/id/eprint/45157