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  Authors

Umesh J. Tupe,M. S. Zambare,M. S. Zambare,C.G. Dighavkar,Amol S. Patil

  Keywords

Synthesis, Nanoparticles, Binary oxide, Sensitivity, H2S gas.

  Abstract


CuO and ZnO nanoparticles were synthesized using cost effective precipitation and green synthesis methods respectively. Synthesized nanoparticles were used to establish CuO-ZnO binary oxides thick films. Thick films have been developed by standard screen printing technique on a glass substrate. The structural characterizations of films were studied using FESEM, EDAX and XRD. The electrical characterization of thick films were studied using resistivity, activation energy and temperature coefficient of resistance (TCR). The XRD plots matched perfectly with JCPDS card number 80-1916 and 80-0074 for CuO and ZnO respectively and found that ZnO has hexagonal structure and CuO has monoclinic structure. Hydrogen sulphide gas sensing mechanisms of these films were investigated at various operating temperatures and PPM concentrations of gas. The 5% ZnO doped CuO binary oxide thick films shows maximum sensitivity of 78.8% sensitivity to 100 ppm of H2S gas at operating different temperature 500 C. The films also showed a rapid response time of 8 seconds and recovery time of 20 seconds.

  IJCRT's Publication Details

  Unique Identification Number - IJCRTL020023

  Paper ID - 216302

  Author type - Indian Author

  Page Number(s) - 159-173

  Pubished in - Volume 10 | Issue 2 | February 2022

  DOI (Digital Object Identifier) -    http://doi.one/10.1729/Journal.29561

  No Of Downloads - 363

  Author Country - India, -, -, -, -, Science and Technology

  Publisher Name - IJPUBLICATION | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Published Paper PDF : - http://www.ijcrt.org/papers/IJCRTL020023

  Published Paper URL: : - http://ijcrt.org/viewfull.php?&p_id=IJCRTL020023

  Published Paper PDF Downlaod: - download.php?file=IJCRTL020023

  Cite this article

Umesh J. Tupe,M. S. Zambare,M. S. Zambare,C.G. Dighavkar,Amol S. Patil,   "SYNTHESIS AND CHARACTERIZATIONS OF CUO-ZNO NANO COMPOSITE BINARY OXIDE THICK FILMS AS H2S GAS SENSOR", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.10, Issue 2, pp.159-173, February 2022, Available at :http://www.ijcrt.org/papers/IJCRTL020023.pdf

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