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NOx-Sensing Characteristics of Sensor with ZnFe2O4 Sensing Electrode

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Abstract:

Electrochemical sensors based on tubular yttria-stabilized zerconia (YSZ) with the spinel-type oxide as a sensing-electrode (SE), which is prepared by sol-gel method, were fabricated and examined for NO2 detection in the temperature range 450~500°C. The results show that ZnFe2O4, shows extreme sensitivity to NO2. The EMF varies linearly as a function of the concentration of NO2 (0 ~ 463 ppm) at 500 °C.

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Periodical:

Advanced Materials Research (Volume 743)

Pages:

253-256

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.743.253

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Online since:

August 2013

Authors:

Yin Lin Wu, Hai Yan Zhao, Qing Hui Wang, Ling Wang

Keywords:

Mixed Potential, NOx Sensor, Spinel-Type Oxide, ZnFe2O4

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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