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Influence of Pt paste and the firing temperature of screen-printed electrodes on the NO detection by pulsed polarization

Title data

Donker, Nils ; Ruchets, Anastasiya ; Schönauer-Kamin, Daniela ; Zosel, Jens ; Guth, Ulrich ; Moos, Ralf:
Influence of Pt paste and the firing temperature of screen-printed electrodes on the NO detection by pulsed polarization.
In: Journal of Sensors and Sensor Systems. Vol. 9 (2020) Issue 2 . - pp. 293-300.
ISSN 2194-878X
DOI: https://doi.org/10.5194/jsss-9-293-2020

Project information

Project title:
Project's official titleProject's id
Dynamische Methoden für elektrochemische Gassensoren (DynaSens)MO 1060/30-1

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Symmetrical Pt|YSZ|Pt sensors were produced by screen printing with frit-containing and fritless Pt pastes and fired at 950, 1100, and 1300 °C. Subsequently, the sensors were operated by pulsed polarization, and the NO sensitivity was investigated. The sensitivity of the sensors with fritless pastes was found to be significantly higher. The influence of the firing temperature was low in contrast to the influence of the paste. The low NO sensitivity of the frit-containing electrodes was attributed to a blocking effect that probably occurs at the triple-phase boundaries. Therefore, the oxygen transport through the sensor is inhibited, which, however, seems to be necessary for the sensor effect.

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
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 23 Sep 2020 07:43
Last Modified: 23 Sep 2020 07:43
URI: https://eref.uni-bayreuth.de/id/eprint/57372