Nanostructure ZnFe2O4 with Bacillus subtilis for Detection of LPG at Low Temperature

Goutham, S and Devarai, Santhosh Kumar and Sadasivuni, K K and Cabibihan, J J and Rao, K V (2017) Nanostructure ZnFe2O4 with Bacillus subtilis for Detection of LPG at Low Temperature. Journal of Electronic Materials. ISSN 0361-5235

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Abstract

The present study deals with the development of a chemical sensor for the detection of liquefied petroleum gas (LPG) at a low operating temperature using Zinc ferrite (ZnFe2O4)/Bacillus subtilis (B. subtilis) hybrid nanostructures. The nanostructure ZnFe2O4 and B. subtilis powder, taken in equal proportion was made into films using the spin coating technique. X-ray diffraction, thermal analysis, scanning electron microscopy, and transmission electron microscopy were used to study morphology, structure and crystallite size. The sensing properties of the hybrid structure were studied and excellent response was observed in the temperature range of 50–55°C for 400 ppm LPG, when compared to the individual components of the hybrid. The signal output of the proposed sensor were extremely stable for more than 30 days. This method proposes the usage of the biomolecule/metal oxide composites in electronics and helps to reduce the metal oxide usage.

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IITH Creators:
IITH CreatorsORCiD
Devarai, Santhosh KumarUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Hybrid-nanostructures,ZnFe2O4,Bacillus subtilis,chemical sensor,liquefied petroleum gas
Subjects: Chemical Engineering > Explosives, fuels, related products
Chemical Engineering > Biochemical Engineering
Divisions: Department of Chemical Engineering
Depositing User: Team Library
Date Deposited: 24 Jan 2017 05:05
Last Modified: 01 Sep 2017 11:22
URI: http://raiithold.iith.ac.in/id/eprint/3013
Publisher URL: https://doi.org/10.1007/s11664-016-5273-z
OA policy: http://www.sherpa.ac.uk/romeo/issn/0361-5235/
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