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Recent Progress in Chemiresistive Gas Sensing Technology Based on Molybdenum and Tungsten Chalcogenide Nanostructures

Jha, RK and Bhat, N (2020) Recent Progress in Chemiresistive Gas Sensing Technology Based on Molybdenum and Tungsten Chalcogenide Nanostructures. In: Advanced Materials Interfaces, 7 (7).

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Official URL: https://dx.doi.org/10.1002/admi.201901992


Chalcogens are oxygen family elements with oxygen having distinct properties than the other group members like sulfur, selenium, and tellurium. Tungsten and molybdenum chalcogenides that include mainly metal oxides (MO3; M = Mo, and W) and metal dichalcogenides (MX2; X = S, Se, and Te) are the most exciting class of inorganic materials. They have been widely investigated in various applications including lithium and sodium ion storage, supercapacitors, gas sensors, biosensors etc. due to their fascinating surface properties and ease of fabrication. Different class of nanostructures including 0D (nanoparticles, quantum dots), 1D (nanowires, nanotubes, nanoribbons, nanobelts etc.), and 2D (nanosheets, nanoflakes, nanoplates etc.) structures of these materials have been synthesized, characterized, and utilized for these applications. With recent boost in layered material research, they are also being reconsidered for future device and systems applications. In this review article, the recent developments on the chemiresistive gas sensing applications of these nanomaterials are discussed. The authors also outline the efforts which have been made over the years to improve the sensing behavior of these materials. Finally, the authors present future opportunities in realizing high-performance gas sensors using these materials. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Item Type: Journal Article
Publication: Advanced Materials Interfaces
Publisher: Wiley-VCH Verlag
Additional Information: Copyright for this article belongs to Wiley-VCH Verlag
Keywords: Chalcogenides; Chemical detection; Chemical sensors; Gas detectors; Gas sensing electrodes; Gases; Metal ions; Molybdenum; Nanoribbons; Nanosheets; Oxygen; Semiconductor quantum dots; Synthesis (chemical); Tellurium compounds; Tungsten, chemiresistive; Gas sensing applications; Gas sensing technologies; Inorganic materials; Layered material; Molybdenum and tungsten; Molybdenum chalcogenides; Systems applications, Nanobelts
Department/Centre: Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited: 07 Sep 2020 10:55
Last Modified: 07 Sep 2020 10:55
URI: http://eprints.iisc.ac.in/id/eprint/64714

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