4.7 Article

Metal oxide composites in conductometric gas sensors: Achievements and challenges

Journal

SENSORS AND ACTUATORS B-CHEMICAL
Volume 244, Issue -, Pages 182-210

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.12.117

Keywords

Forming; Composition; Gas sensor operation; Optimization; Advantages; Limitations

Funding

  1. Ministry of Science, ICT and Future Planning (MSIP) of the Republic of Korea
  2. Bio & Medical Technology Development Program of the National Research Foundation of Korea - MSIP [NRF-2015M3A9B8032703]
  3. National Research Foundation of Korea [2015M3A9B8032703] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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The features of conductometric gas sensors based on metal oxide composites are considered. The methods of the composites forming and the advantages of their using in the development of gas sensors are discussed. It is given the analysis of the factors that reduce the effectiveness of the composite using in conductometric gas sensors and can restrict application of nanocomposites in these devices. Technology features of composite synthesis and device fabrication, which should be taken into account while designing and fabricating sensors based on metal oxide composites, are considered. The mechanisms explaining the operation of conductometric gas sensors based on metal oxide composites are also discussed. (C) 2016 Elsevier B.V. All rights reserved.

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