Please use this identifier to cite or link to this item: https://idr.l3.nitk.ac.in/jspui/handle/123456789/11466
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dc.contributor.authorBharath, S.P.
dc.contributor.authorBangera, K.V.
dc.contributor.authorShivakumar, G.K.
dc.date.accessioned2020-03-31T08:31:27Z-
dc.date.available2020-03-31T08:31:27Z-
dc.date.issued2018
dc.identifier.citationSuperlattices and Microstructures, 2018, Vol.124, , pp.72-78en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11466-
dc.description.abstractIndium doped ZnO (InxZn1-xO, 0 ? x ? 0.05) thin films were deposited on to soda lime glass substrate by employing spray pyrolysis as deposition technique. Effect of doping concentration on characteristics of thin films were examined by XRD, SEM, UV-Visible spectroscopy, electrical and gas sensing measurements. XRD analysis demonstrates polycrystalline nature of thin films and also shows the shift in orientation from (002) to (101) crystal plane with increase in indium doping concentration. Surface morphological analysis shows the formation of homogeneous particle like nanostructures. Optical transmittance determined from UV-Visible spectroscopy was in the range of 80 95%, which was decreasing with increase in indium doping concentration. Maximum electrical conductivity was achieved at an optimal indium doping concentration of 3 at.%. The gas sensing properties were examined for different concentration of volatile organic compounds like acetone, ethanol and methanol for different doping levels. In0.03Zn0.97O thin films showed good sensitivity towards ethanol, with sensitivity of 30% towards 25 ppm of ethanol. 2018 Elsevier Ltden_US
dc.titleEnhanced gas sensing properties of indium doped ZnO thin filmsen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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