LPG sensing investigation of (Sn-Ti)O2 system based nanocomposite at Room Temperature

Authors

  • Tripti Shukla Department of Physics, Sant Gadge Baba Amravati University Amravati-444602, M.S., India
  • S.K. Omanwar Department of Physics, Sant Gadge Baba Amravati University Amravati-444602, M.S., India

DOI:

https://doi.org/10.24297/jap.v11i5.6836

Keywords:

LPG Sensor, nanocomposites, sensitivity, SEM and XRD.

Abstract

Present work reports the synthesis of pure TiO2 and (Sn-Ti)O2 nanocomposite, its characterization and performance as
Liquefied Petroleum Gas (LPG) Sensor. Thick films of both the materials were prepared by using screen printing technique. After that these were investigated through SEM. SEM image of pure TiO2 shows that grains are random in shape having pores. The grains observed on the (Sn-Ti)O2 thick-film surface are spherical in shape and more porous than pure TiO2. Further at room temperature, the films were exposed to LPG in a controlled gas chamber and variations in resistance with the concentrations of LPG were observed. The maximum value of average sensitivity for pure TiO2 and (Sn-Ti)O2 thick-film were found 3.0 and 11 respectively for 2 vol.% of LPG. Sensor responses as a function of exposure and response times were also estimated and maximum sensor response for pure TiO2 and (Sn-Ti)O2 thick-film were found 207 and 1040 respectively.

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Published

2016-01-02

How to Cite

Shukla, T., & Omanwar, S. (2016). LPG sensing investigation of (Sn-Ti)O2 system based nanocomposite at Room Temperature. JOURNAL OF ADVANCES IN PHYSICS, 11(5), 3252–3264. https://doi.org/10.24297/jap.v11i5.6836

Issue

Vol. 11 No. 5 (2016)

Section

Articles

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