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Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry Volume 45, 2015 - Issue 4
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Original Articles

Titania Prepared by Ball Milling: Its Characterization and Application as Liquefied Petroleum Gas Sensor

B. C. YadavNanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow, U.P., India;Department of Applied Physics, School for Physical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, U.P., IndiaCorrespondence[email protected]
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,
Satyendra SinghNanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow, U.P., IndiaView further author information
&
T. P. YadavDepartment of Physics, Banaras Hindu University, Varanasi, U.P., IndiaView further author information
Pages 487-494 | Received 05 Feb 2012, Accepted 10 Nov 2012, Published online: 24 Oct 2014
 
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Abstract

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 ∼ 11 for 5 vol.% of LPG. Response and recovery times of the sensor were ∼ 100 and 250 s. The sensor was quite sensitive to LPG and results were found reproducible within ±91%.

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Funding

Financial support from U.G.C. as Major Research Project F. No. 36-265/2008 (SR) is highly acknowledged.

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