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Planar-type potentiometric CO2 gas sensors using thermal evaporated Li3PO4 thin film as the solid electrolyte were fabricated. Al2O3 plates with rough and smooth surfaces were used as the substrates of the sensors. X-ray diffraction analysis, atomic force microscope and scanning electron microscope were used to characterize the Li3PO4 films. The sensing properties were investigated in the range of...
A solid potentiometric sensor has been developed using as the electrolyte, as the reference electrode, and as the sensing electrode. The film was deposited on substrate by resistance heating evaporation. Two Pt electrodes with designed patterns were...
LaF3 is attractive because of its possible application at room temperature, in addition to other advantages and it has been investigated for measuring various types of gases. A solid-state gas sensor with the structure of (working electrode) SO2,Pt/LaF3/Sn,SnF2 (reference electrode) was developed for detecting sulfur dioxide at room temperature. With numerical simulation, a series of working electrodes...
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