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Sensors 2002, 2(9), 366-373; doi:10.3390/s20900366
Article

Study on the Characteristics of Ag Doped CuO-BaTiO3 CO2 Sensors

1,* , 2, 3, 3, 3 and 3
Received: 29 July 2002 / Accepted: 1 September 2002 / Published: 17 September 2002
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Abstract

In this paper the characteristics of a CuO-BaTiO3 based CO2 gas sensor was investigated. The sensitivity of the CuO-BaTiO3 based CO2 sensor was influenced by doping various metal elements such as Au, Ag, Pt, Pd, Ce, Mg, Sr, La, Zn, Fe and Bi, which were added as a pure metal or in the form of metal oxides. It was found that Ag is the most suitable additive among all substances tested. The Ag-doped CO2 gas sensor has better sensitivity and lower operating temperature, with a detection concentration range of from 100 ppm to 10%. The sensor also shows good stability.
Keywords: Gas sensor; CO2 sensor; Solid ion electrolyte; Sensitivity; Doping Gas sensor; CO2 sensor; Solid ion electrolyte; Sensitivity; Doping
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Jiao, Z.; Chen, F.; Su, R.; Huang, X.; Liu, W.; Liu, J. Study on the Characteristics of Ag Doped CuO-BaTiO3 CO2 Sensors. Sensors 2002, 2, 366-373.

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