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Ultra-portable explosives sensor based on a CMOS fluorescence lifetime analysis micro-system

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AIPAdvances2011.pdf (889.8Kb)
Date
09/2011
Author
Wang, Yue
Rae, Bruce R.
Henderson, Robert K.
Gong, Zheng
Mckendry, Jonathan
Gu, Erdan
Dawson, Martin D.
Turnbull, Graham A.
Samuel, Ifor D. W.
Funder
EPSRC
Grant ID
EP/F059922/1
Keywords
Photoluminescence
Metal insulator semiconductor structures
Photon counting
Copolymers
Fluorescence
Polymers
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Abstract
This work explores the use of a green-light-emitting copolymer as a chemosensor to detect nitroaromatic-based explosive vapors by recording photoluminescence (PL) and time-resolved PL decay. We show successful detection of 10 ppb 1,4-dinitrobenzene (DNB) vapor. Both a conventional time-correlated single photon counting (TCSPC) device and CMOS time-resolved fluorescence lifetime microsystem are used in the DNB detection. An ultra-portable on-site explosive sensor based on the micro-system has also been demonstrated. This gives rise to the potential for real-time, reliable, inexpensive organic/inorganic hybrid explosives detection.
Citation
Wang , Y , Rae , B R , Henderson , R K , Gong , Z , Mckendry , J , Gu , E , Dawson , M D , Turnbull , G A & Samuel , I D W 2011 , ' Ultra-portable explosives sensor based on a CMOS fluorescence lifetime analysis micro-system ' , AIP Advances , vol. 1 , no. 3 , 032115 . https://doi.org/10.1063/1.3624456
Publication
AIP Advances
Status
Peer reviewed
DOI
https://doi.org/10.1063/1.3624456
ISSN
2158-3226
Type
Journal article
Rights
Copyright 2011 Authors. Published by AIP. This article is distributed under a Creative Commons Attribution 3.0 Unported License.
Description
The paper published in AIP Advances (a new journal from the American Institute of Physics) had 1100 article downloads in the first 5 months after publication, and was on the journal’s “most read” list for 4 months. The work was featured by AIP in a Physics News Highlight and press release which resulted in >50 international internet articles and an article in Laser Focus World.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/4317

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