Vanadium oxide nanostructures for chemiresistive gas and vapour sensing: a review on state of the art.

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ID: 102712
2020
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Abstract
This review (with 200 references) summarises the state of the art of gas and vapour sensors based on the use of vanadium oxide (VO; with V occurring in various valencies) nanostructures. Following an introduction that covers the discussion of VO and their stable forms, the first large section covers experimental techniques employed for preparing VO nanostructures, with methods such as precipitation, hydrothermal synthesis, electrospinning, polyol techniques, laser deposition, and magnetron sputtering. The next section deals with VO-based sensors for oxidising gases such as nitrogen dioxide, carbon dioxide, oxygen, and ozone. We then discuss sensors for reducing gases and vapour, such as various alcohols, formaldehyde, hydrogen, methane, various amines, hydrogen sulphide, LPG, and neutral gases and vapours such as helium and humidity. An overview of the wealth of materials, methods, and sensing characteristics such as sensor response, analytical ranges, and operational temperatures is presented in Tables. The final section briefs the VO-based flexible sensors, followed by a concluding section that summarises the current status and challenges, and gives an outlook on potential future perspectives. Graphical abstract The state of the art of vanadium oxide nanostructures in gas/vapour sensing has been discussed in this work.
Reference Key
mounasamy2020vanadiummikrochimica Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mounasamy, Veena;Mani, Ganesh Kumar;Madanagurusamy, Sridharan;
Journal Mikrochimica acta
Year 2020
DOI
10.1007/s00604-020-4182-2
URL
Keywords
sensing mechanism flexible sensors chemiresistive technique inert gas sensor oxidising gases reducing gases vanadium oxide

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