Journal
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY
Volume 45, Issue 4, Pages 487-494Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15533174.2012.749892
Keywords
sensitivity; LPG sensor; TiO2; ball milling
Funding
- U.G.C. [36-265/2008 (SR)]
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Present article reports the liquefied petroleum gas sensing of TiO2 obtained through ball milling. The milled powder was characterized by XRD, TEM, and UV-visible. Further the ball-milled powder was compressed into a pellet using hydraulic press. This pellet was investigated with the exposure of LPG. Variations in resistance with exposure of LPG to the sensing pellet were recorded. The sensitivity of the sensor was similar to 11 for 5 vol.% of LPG. Response and recovery times of the sensor were similar to 100 and 250s. The sensor was quite sensitive to LPG and results were found reproducible within +/- 91%.
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