Trace vapour detection at room temperature using Raman spectroscopy

Chou, Alison, Radi, Babak, Jaatinen, Esa, Juodkazis, Saulius, & Fredericks, Peter (2014) Trace vapour detection at room temperature using Raman spectroscopy. The Analyst, 139(8), pp. 1960-1966.

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A miniaturized flow-through system consisting of a gold coated silicon substrate based on enhanced Raman spectroscopy has been used to study the detection of vapour from model explosive compounds. The measurements show that the detectability of the vapour molecules at room temperature depends sensitively on the interaction between the molecule and the substrate. The results highlight the capability of a flow system combined with Raman spectroscopy for detecting low vapour pressure compounds with a limit of detection of 0.2 ppb as demonstrated by the detection of bis(2-ethylhexyl)phthalate, a common polymer additive emitted from a commercial polyvinyl chloride (PVC) tubing at room temperature.

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7 citations in Scopus
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6 citations in Web of Science®

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ID Code: 88515
Item Type: Journal Article
Refereed: Yes
DOI: 10.1039/c3an01522j
ISSN: 0003-2654
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 26 Oct 2015 03:16
Last Modified: 26 Oct 2015 03:16

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