Sensing Properties of Sub-ppm Level NO2 Gas Sensor Based on YSZ and WO3 Sensing Electrode

Xia Sun; Guo Liang Zhou; Chuan Long Pan; Cheng Zhang; Tao Feng

doi:10.4028/www.scientific.net/KEM.633.512

Paper Titles

Design and Application of a Test Device for Concrete Durability under the Action of Multiple Factor Coupling
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Analysis of Advanced Research Methods of Cement-Based Materials
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Riser Design of Cast System of Fused Zirconia-Alumina-Silica
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Application of Ant Colony Algorithm in Plant Leaves Classification Based on Infrared Spectroscopy Analysis
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Performance Evaluation Method of Self-Consolidating Concrete
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Sensing Properties of Sub-ppm Level NO₂ Gas Sensor Based on YSZ and WO₃ Sensing Electrode
p.512

Microstructures and Properties of Typical Zirconia Tubes for the Determination of Oxygen Content
p.516

Determination of 6 Toxic Elements in Biological Tissues by High Pressure Digestion: Inductively Coupled Plasma Mass Spectrometry
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The Influences of Lightness Variation of the Non-Color Background on the Color of the Blood Amber
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 633Sensing Properties of Sub-ppm Level NO2 Gas Sensor...

Sensing Properties of Sub-ppm Level NO₂ Gas Sensor Based on YSZ and WO₃ Sensing Electrode

Abstract:

In this paper, the gas sensors using WO₃ as sensitive electrode, Pt mixed potential as the reference electrode was researched. The structures and preparation methods of the sensors were introduced. Besides, the sensitive materials, the electrode surface and the section morphologies were characterized by means of SEM and EDS. Furthermore, the sensing properties of the as-fabricated sensors were examined under different NO_Xconcentrations and temperatures (500°C, 550°C and 600°C). The results revealed that the response signal become smaller with the temperature increasing, and stronger with the increasing of the NO₂ concentration.

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Periodical:

Key Engineering Materials (Volume 633)

Pages:

512-515

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.633.512

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Online since:

November 2014

Authors:

Xia Sun, Guo Liang Zhou, Chuan Long Pan, Cheng Zhang, Tao Feng

Keywords:

Gas Sensor, No₂, Sensing Properties, Sub-ppm Level, WO₃

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