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ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016
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Paper Title: Study of Electrical, Structural and Gas Sensing Properties of ZnO Nanoparticles Synthesized By Green Synthesis Method
Authors Name: Archana A. Chaudhari , Umesh. J. Tupe , Arun V. Patil , Chandrakant. G. Dighavkar
Unique Id: IJSDR2203002
Published In: Volume 7 Issue 3, March-2022
Abstract: Plant-based nanoparticle synthesis provides a number of benefits over traditional physico-chemical processes and can be used for a variety of purposes. ZnO nanoparticles (NPs) were synthesized by using a novel green synthesis method. Green-synthesized ZnO NPs have gained a lot of interest because of their intrinsic qualities such as efficiency, eco-friendliness, and less expensive. Wheatgrass extract and a zinc nitrate derivative were used to synthesize the nanoparticles. Wheatgrass extract was used in this study to synthesis green zinc oxide (ZnO) NPs. Wheatgrass extract acts as a capping agent, as evidenced by its appearance on the surfaces of ZnO NPs. The nanoparticles were successfully synthesized using the Nitrate derivative of Zinc and Wheatgrass extract. After successfully synthesis of ZnO NPs thick films were prepared by screen printing method and prepared films were used for gas sensing applications. The structural and morphological properties of synthesized ZnO NPs were studied by x ray diffraction and field emission scanning electron microscopy tools respectively. Using Scherer's formula, the crystallite size was determined to be 24.03 nm. The electrical properties of the ZnO thick films were investigated by measuring resistivity, TCR, and activation energy at lower and higher temperatures regions. The prepared ZnO thick films were exposed to methane (CH4), carbon dioxide (CO2), and nitrous oxide (N2O) gases to determine sensitivity and selectivity. The films show a maximum sensitivity to CH4 gas as compared to other gases. The maximum sensitivity has to be found at 82.76% to CH4 gas at a concentration of 50 ppm and operating temperature was 60 °C. Prepared ZnO thick films also show fast response and recovery time in seconds
Keywords: Nanoparticles, Wheatgrass Extract, Methane, Thick Films, Sensitivity
Cite Article: "Study of Electrical, Structural and Gas Sensing Properties of ZnO Nanoparticles Synthesized By Green Synthesis Method", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.7, Issue 3, page no.15 - 24, March-2022, Available :http://www.ijsdr.org/papers/IJSDR2203002.pdf
Downloads: 000251436
Publication Details: Published Paper ID: IJSDR2203002
Registration ID:200117
Published In: Volume 7 Issue 3, March-2022
DOI (Digital Object Identifier):
Page No: 15 - 24
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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