Dynamic determination of domestic liquefied petroleum gas down to several ppm levels using a Sr-doped SnO2 thick film gas sensor

Sr-doped SnO2 thick film gas sensors were prepared for domestic liquefied petroleum gas (LPG) determination down to several ppm levels using the screen-printing technique. Characterization of Sr-doped SnO2 thick film was investigated by XRD, XPS and DTA-TGA analyses. The sensitivity, selectivity, sintering temperature, and static and dynamic measurement were investigated. The results showed that the Sr-doped SnO2 thick film sensor is suitable for several ppm levels LPG determination because of the high sensitivity (S = 12.7 to 10 ppm LPG). The dynamic measurements showed that the sensor exhibited high sensitivity and selectivity to domestic LPG at 210-300 degrees C.
Publisher
SPRINGER WIEN
Issue Date
2006-12
Language
ENG
Keywords

SENSING PROPERTIES; TIN OXIDE; PESTICIDE-RESIDUE; LPG SENSOR; SEMICONDUCTOR; CONDUCTIVITY; MODULATION

Citation

MICROCHIMICA ACTA, v.156, no.3-4, pp.245 - 251

ISSN
0026-3672
DOI
10.1007/s00604-006-0578-x
URI
http://hdl.handle.net/10203/3134
Appears in Collection
EE-Journal Papers(저널논문)
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