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Modeling and analysis of an Ni:ZnO-based Schottky pattern for NO2 detection

  • Deepak PunethaEmail author
  • Himanshu Dixit
  • Saurabh Kumar Pandey
Article
  • 136 Downloads

Abstract

In recent years, new emerging oxide materials have demonstrated significant potential for use in gas sensors. We performed a theoretical investigation and analysis of an Ni-doped ZnO (NZO)-based gas sensor. The conductivity and sensitivity of the gas-sensing layer are illustrated as functions of the temperature and gas concentration. The analysis was carried out for an oxidizing agent, i.e., NO2, in which charge is attracted to the adsorbent layer and increases its resistance. The simulation results revealed the variation in resistance versus the temperature and gas concentration. To confirm the feasibility of the model, all the simulation results were compared with reported experimental work. This work will aid researchers in a reasonable choice of materials for and optimal design of high-performance gas sensors.

Keywords

COMSOL multiphysics Gas sensor NO2 detection NZO thin film Schottky pattern 

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Electrical EngineeringIndian Institute of Technology PatnaPatnaIndia
  2. 2.Department of Electronics EngineeringRajasthan Technical UniversityKotaIndia

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