INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016
open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15
INVESTIGATION OF ELECTRICAL AND GAS SENSING PROPERTIES OF SCREEN PRINTED GRAPHENE OXIDE THICK FILMS
Authors Name:
Jyoti N. Shrote
, Janardan A. Pawar
Unique Id:
IJSDR2207004
Published In:
Volume 7 Issue 7, July-2022
Abstract:
Nowadays, gas sensors are useful in a number of fields including industrial, residential, agricultural, cold storage, and food storage. The present study describes the preparation of Graphene oxide (GO) thick films using a conventional screen printing technique and investigates their electrical and gas sensing properties. On a glass substrate, the films were prepared. After preparation, the films were annealed for one hour at 180°C in a muffle furnace. Investigation of the electrical parameters of prepared GO thick films were accomplished using resistivity, temperature coefficient ratio (TCR), and activation energy. Form electrical characterization prepared GO thick films shows semiconducting behaviour. Gas sensing studies were carried out in the presence of H2S, NH3, LPG, NO2 and ethanol gases in the surroundings of GO thick films at various surrounding temperatures. Investigations were conducted into the properties of sensitivity, selectivity, PPM variation, response, and recovery time. The H2S gas was found to have the highest sensitivity. The sensitivity to H2S gas with a concentration of 150 PPM was 79.3% at 90 oC temperature. It was also found that the response and recovery times were about ~ 35 sec and ~ 60 sec seconds respectively.
"INVESTIGATION OF ELECTRICAL AND GAS SENSING PROPERTIES OF SCREEN PRINTED GRAPHENE OXIDE THICK FILMS", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.7, Issue 7, page no.20 - 26, July-2022, Available :http://www.ijsdr.org/papers/IJSDR2207004.pdf
Downloads:
000336256
Publication Details:
Published Paper ID: IJSDR2207004
Registration ID:200882
Published In: Volume 7 Issue 7, July-2022
DOI (Digital Object Identifier):
Page No: 20 - 26
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631
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