Journal
ADVANCED MATERIALS
Volume 24, Issue 48, Pages 6416-6421Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202793
Keywords
nanoparticles; nanobiotechnology; donor-acceptor complex; quantum dots; explosives
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Funding
- office of Naval Research, USA
- NanoSensoMach (ERC) under the EC [267574]
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Chemically modified CdSe/ZnS quantum dots (QDs) are used as fluorescent probes for the analysis of explosives, and specifically, the detection of trinitrotoluene (TNT) or trinitrotriazine (RDX). The QDs are functionalized with electron-donating ligands that bind nitro-containing explosives, exhibiting electron-acceptor properties, to the QD surface, via supramolecular donor-acceptor interactions leading to the quenching of the luminescence of the QDs.
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