Nanostructured ZnO gas sensors obtained by green method and combustion technique

Goutham, S and Kaur, S and Sadasivuni, K K and Bal, J K and Jayarambabu, N and Devarai, Santhosh Kumar and Rao, K V (2017) Nanostructured ZnO gas sensors obtained by green method and combustion technique. Materials Science in Semiconductor Processing, 57. pp. 110-115. ISSN 1369-8001

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Abstract

The present study reports on the synthesis of nano ZnO using two different processes i.e., biological (green synthesis) and chemical synthesis (solution combustion technique). The prepared materials were characterized by microscopy and spectroscopy techniques, such as Field emission scanning electron microscope (FE-SEM), UV–visible spectroscopy, X-Ray Diffraction (XRD) and Fourier Transform-Infrared (FT-IR) spectroscopy. The two synthesized materials were analyzed and their liquefied petroleum gas (LPG) sensing properties to their sensing characteristics were compared, to highlight the suitable one for chemiresistor. The dynamic gas sensing analysis, sensitivity and resistance were studied. For optimization, sensing characterization was monitored at various operating temperatures in different LPG concentration. Eventually, we found out that the green synthesis route, to fabricate sensor devices is more advantageous as it is cost-effective, eco-friendly and simple.

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IITH Creators:
IITH CreatorsORCiD
Devarai, Santhosh KumarUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Sensors; Nanoparticles; Electronic materials; Green synthesis; Zinc oxide; Liquefied petroleum gas
Subjects: Chemical Engineering > Biochemical Engineering
Divisions: Department of Chemical Engineering
Depositing User: Team Library
Date Deposited: 18 Oct 2016 04:09
Last Modified: 01 Sep 2017 11:24
URI: http://raiith.iith.ac.in/id/eprint/2814
Publisher URL: https://doi.org/10.1016/j.mssp.2016.09.037
OA policy: http://www.sherpa.ac.uk/romeo/issn/1369-8001/
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