Journal
TALANTA
Volume 150, Issue -, Pages 319-323Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2015.12.053
Keywords
Bis(8-hydroxyquinoline)-Aluminium; Explosive; Fluorescence; Sensor; Inner filter effect
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Funding
- National Natural Science Foundation of China [21275098]
- Doctor Base Foundation of Chinese Ministry of Education [20110202110005]
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The reliable and accurate detection of explosives such as 2,4,6-trinitrophenol (TNP) and 2,4,6 -trinitrotoluene (TNT) is in high demand for homeland security and public safety. Although extremely high sensitivity towards TNT has been demonstrated, detection of TNP remains a challenge. In this work, a fluorescent nanoscale complex composed of bis(8-hydroxyquinoline) and Al3+ ions has been prepared, characterized and applied in detection of TNP. This complex exhibits the ability to sense the nitro explosive TNP via a fluorescence quenching mechanism with high selectivity. A simple paper test system for the rapid monitoring of TNP was also investigated. The results show that Bhq-Al is a quite ideal sensing material for trace-level detection of TNP. (C) 2015 Elsevier B.V. All rights reserved.
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