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.
| Original language | English |
|---|---|
| Article number | 032115 |
| Number of pages | 10 |
| Journal | AIP Advances |
| Volume | 1 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Sept 2011 |
Keywords
- Photoluminescence
- Metal insulator semiconductor structures
- Photon counting
- Copolymers
- Fluorescence
- Polymers
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Dive into the research topics of 'Ultra-portable explosives sensor based on a CMOS fluorescence lifetime analysis micro-system'. Together they form a unique fingerprint.Projects
- 1 Finished
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Hybrid organic semiconductor/ gallium: Hybrid Organic Semiconductor Gallium Nitride CMOS smart pixel arrays
Samuel, I. (PI) & Turnbull, G. (CoI)
1/10/08 → 30/09/12
Project: Standard
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