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Air pollution monitoring using near room temperature resistive gas sensors : a review

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Ghosh, Ruma, Gardner, J. W. and Guha, Prasanta K. (2019) Air pollution monitoring using near room temperature resistive gas sensors : a review. IEEE Transactions on Electron Devices, 66 (8). pp. 3254-3264. doi:10.1109/TED.2019.2924112 ISSN 0018-9383.

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Official URL: https://doi.org/10.1109/TED.2019.2924112

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Abstract

The growth of industries and other human activities have led to ever increasing amounts of pollutants in both outdoor and indoor spaces. These pollutants have hazardous effects on humans and the wider ecology. Hence, air quality monitoring (AQM) is essential and involves the robust monitoring of various toxic gases and volatile organic compounds (VOCs)-in case the concentration of any pollutant exceeds the safe limit in a given location. This paper describes the different sources of indoor and outdoor pollutants, reviews the current status of gas sensors, and discusses the role of new two-dimensional (2D) materials in detecting these hazardous gases at low power, i.e. close to ambient temperature. Here we review different synthesis techniques of 2D materials and discuss the sensing performances of pristine and functionalized nanomaterials for some of the important pollutants like NOx, NH3, SOx, CO, formaldehyde and toluene. The review concludes with some proposed methods to help reduce air pollution today.

Item Type: Journal Article
Subjects: T Technology > TD Environmental technology. Sanitary engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Air quality management, Gas detectors, Volatile organic compounds
Journal or Publication Title: IEEE Transactions on Electron Devices
Publisher: IEEE
ISSN: 0018-9383
Official Date: August 2019
Dates:
DateEvent
August 2019Published
9 July 2019Available
6 June 2019Accepted
Volume: 66
Number: 8
Page Range: pp. 3254-3264
DOI: 10.1109/TED.2019.2924112
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 10 June 2019
Date of first compliant Open Access: 11 June 2019
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDIndia. Department of Science and Technologyhttp://viaf.org/viaf/139476328

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