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Detection of high-energy compounds using photoluminescent silicon nanocrystal paper based sensors

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1039/c3nr06271f
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Affiliation
  1. National Research Council of Canada. Security and Disruptive Technologies
FormatText, Article
Abstract
Luminescent silicon nanocrystals (Si-NCs) surface functionalized with dodecyl groups were exposed to solutions of nitroaromatic compounds including nitrobenzene, nitrotoluene, and dinitrotoluene. It was found that Si-NC luminescence was quenched upon exposure to nitroaromatics via an electron transfer mechanism as indicated by Stern-Volmer analysis. This quenching was exploited and a straightforward paper-based Si-NC sensor was developed. This paper motif was found to be sensitive to solution, vapor, and solid phase nitroaromatics, as well as solution borne RDX and PETN. © 2014 The Royal Society of Chemistry.
Publication date
In
  • Nanoscale 6, no. 5 (14 January 2014): 2608–2612.
LanguageEnglish
Peer reviewedYes
NPARC number21272309
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Record identifier5cda66ae-9bf7-45ca-afd3-9772ce151a30
Record created2014-07-24
Record modified2020-04-22
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