Special Issue Paper
Solid-Electrolyte Impedancemetric CO2 Sensor Attached with La0.4Sr0.6MnO3 Receptor
2020 Volume 140 Issue 1 Pages 14-17
Details
2020 Volume 140 Issue 1 Pages 14-17
A solid-state impedancemetric CO2 sensor consisting of perovskite-type oxide (La1-xSrxMnO3) as receptor material and a Li1.5Al0.5Ti1.5(PO4)3 (LATP) disc as solid electrolyte transducer was investigated for the detection of various concentrations of CO2 at 400 ºC. The responses of the lanthanum manganite/LATP-based sensor were divided into a resistance component and capacitance component. The sensitivities to CO2 were largely affected by the type of receptor material used. The La0.4Sr0.6MnO3/ LATP-based impedancemetric sensor element showed potential CO2 sensing properties.
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