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MWCNT Doped ZnO Nanocomposite Thin Film as LPG Sensing

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Abstract

A compound material of multi-walled carbon nanotubes (MWCNTs) coated with ZnO was synthesized at ambient conditions. The X-ray diffraction, UV–visible spectroscopy, scanning electron microscope (SEM) and transmission electron microscopy results confirmed that the existence of ZnO nanoparticles inside the MWCNTs. The gas sensing properties of the material were studied. ZnO-based composites on MWCNTs treated at room temperature shows enhanced performance as sensors, making them suitable for practical applications. Sensor structure showed a better sensing response (S ~61.57) at operating room temperature towards 1500 ppm LPG with an average sensitivity 41.95. Furthermore, the gas sensor responses increased linearly with the increment of the gas concentrations of LPG.

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Acknowledgments

DAE-BRNS, Government of India is gratefully acknowledged for financial support in the form of project [2013/34/27/BRNS/2693]. Author R.K. Sonker is thankful to Babasaheb Bhimrao Ambedkar University, Lucknow for UGC fellowship.

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Authors and Affiliations

  1. Nanomaterials and Sensor Research Laboratory, Department of Applied Physics, School for Physical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, U.P., India

    Rakesh K. Sonker, Monika Singh, Utkarsh Kumar & B. C. Yadav

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  1. Rakesh K. Sonker
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  2. Monika Singh
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  3. Utkarsh Kumar
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  4. B. C. Yadav
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Correspondence to B. C. Yadav.

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Sonker, R.K., Singh, M., Kumar, U. et al. MWCNT Doped ZnO Nanocomposite Thin Film as LPG Sensing. J Inorg Organomet Polym 26, 1434–1440 (2016). https://doi.org/10.1007/s10904-016-0442-3

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  • DOI: https://doi.org/10.1007/s10904-016-0442-3

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