Chemical and electronic properties of Pd/SnO2(110) model gas sensors
β Scribed by T. B. Fryberger; J. W. Erickson; S. Semancik
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 653 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0142-2421
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Via flame spray pyrolysis (FSP), SnO 2 gas sensing layers have been doped with 0.01-4 wt% Sb as well as 0.01 wt% Pd in combination with 1 wt% Sb. Characterization of these materials through X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) surface analysis, and transmission electron microscopy (
SnOz-based gas sensors containing 0.05, 0.1, 1 and 3 mol% Pd are constructed using thick-film technology. SnOz powder is prepared by two processes in which Pd is added to the base material before calcination either as the hydroxide or chloride. Sensor sensitivity to CO is studied in a heated test ch