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Volume 6, Issue 3, May 2017, Page: 119-125
Application of V2O5-ZnO Nanocomposite for Humidity Sensing Studies
Narendra Kumar Pandey, Sensors and Materials Research Laboratory, Department of Physics, University of Lucknow, Lucknow, India
Abhishek Panwar, Sensors and Materials Research Laboratory, Department of Physics, University of Lucknow, Lucknow, India
Suneet Kumar Misra, Sensors and Materials Research Laboratory, Department of Physics, University of Lucknow, Lucknow, India
Received: Mar. 15, 2017;       Accepted: Mar. 29, 2017;       Published: Apr. 14, 2017
DOI: 10.11648/j.ijmsa.20170603.12      View  2740      Downloads  226
Abstract
Paper reports humidity sensing studies of V2O5-ZnO nanomaterial. When sample of V2O5-ZnO annealed at 500°C was exposed to increasing humidity, resistance decreased. Aging over six months was within ±6% for ZnO and ±2% for V2O5-ZnO; hysteresis was within ±6% for both ZnO and V2O5-ZnO sensing elements. Grain size for pure ZnO was 620 nm, and 400 nm for V2O5-ZnO nanomaterial. XRD suggested a distribution of crystallite size. For ZnO- V2O5, distribution in the crystallites size was as wide as 130% compared to only 20% for ZnO. Sensitivity of ZnO- V2O5 nanomaterial was 500% more compared to ZnO sample.
Keywords
ZnO, V2O5, Humidity, Sensor, Annealed
To cite this article
Narendra Kumar Pandey, Abhishek Panwar, Suneet Kumar Misra, Application of V2O5-ZnO Nanocomposite for Humidity Sensing Studies, International Journal of Materials Science and Applications. Vol. 6, No. 3, 2017, pp. 119-125. doi: 10.11648/j.ijmsa.20170603.12
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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