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Miniature nitro and peroxide vapor sensors using nanoporous thin films

Blue, Robert and Thomson, Neil and Taylor, Stewart J. and Fletcher, Ashleigh J. and Skabara, Peter J. and Uttamchandani, Deepak (2016) Miniature nitro and peroxide vapor sensors using nanoporous thin films. IEEE Sensors Journal, 16 (24). pp. 8767-8774. ISSN 1530-437X

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Abstract

With the increased and continuous threat of terrorist attacks in public areas, new sensors are required to safeguard the public from home-made explosive devices. Current commercial sensors for explosive vapors are high-cost, bulky equipment not amenable to mass production, thus limiting their widespread deployment within society. We are conducting research on polymer-based microsensors that can overcome these limitations. Our devices offer an approach to the realization of low-cost sensors that can readily be placed as a network of electronic sentinels that can be permanently located in areas of public access. The polymers are chemically tailored to have a high affinity for nitro and peroxide vapors and are grown electrochemically on microelectrodes. Novel nanoporous polymer-based sensors are demonstrated with a detection level of 200 ppb of nitro vapors. In addition, a prototype reversible sensor for peroxide vapors is demonstrated to low ppm concentrations.

Item type: Article
ID code: 56292
Notes: (c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.
Keywords: explosive sensors, nitro-group, peroxides, microsensors, nanoporous polymers, Electrical engineering. Electronics Nuclear engineering, Instrumentation, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Faculty of Science > Pure and Applied Chemistry
Faculty of Engineering > Mechanical and Aerospace Engineering
Faculty of Engineering > Chemical and Process Engineering
Technology and Innovation Centre > Photonics
Depositing user: Pure Administrator
Date deposited: 05 May 2016 15:19
Last modified: 04 Feb 2019 07:53
Related URLs:
URI: https://strathprints.strath.ac.uk/id/eprint/56292
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