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http://dx.doi.org/10.5369/JSST.2008.17.1.061

The development of new oxide materials and modified mixed potential sensing method for highly sensitive NOx sensor  

Park, Jin-Su (Department of Material Science and Engineering, KAIST)
Yoon, Byoung-Young (Department of Material Science and Engineering, KAIST)
Park, Chong-Ook (Department of Material Science and Engineering, KAIST)
Publication Information
Journal of Sensor Science and Technology / v.17, no.1, 2008 , pp. 61-68 More about this Journal
Abstract
The sensing characteristics of new oxide sensing materials, NiO, NiO-YSZ and CuO, were evaluated at the temperature of $700^{\circ}C$ in 10 % $O_2$containing atmosphere. Through simultaneous response to $NO_2$ and NO, the sensing mechanism of oxide electrode was studied and the relation of EMF and NO/$NO_2$ concentrations was elucidated. Moreover, for highly sensitive NOx sensor, modified mixed potential sensor which has at least two oxide electrodes was proposed.
Keywords
mixed potential; NOx sensor; oxide electrode;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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