Detection of volatile organic compounds (VOCs) using an optical fibre long period grating with a calixarene anchored mesoporous thin film

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dc.contributor.authorKorposh, Sergiy
dc.contributor.authorDavis, Frank
dc.contributor.authorJames, Stephen W.
dc.contributor.authorWang, T.
dc.contributor.authorLee, Seung-Woo
dc.contributor.authorHigson, Seamus P. J.
dc.contributor.authorTatam, Ralph P.
dc.date.accessioned2016-03-09T12:39:58Z
dc.date.available2016-03-09T12:39:58Z
dc.date.issued2013-05-06
dc.description.abstractA long period grating (LPG) modified with a mesoporous film infused with a functional compound, calix[4]arene, was employed for the detection of volatile organic compounds (VOCs). The mesoporous film consisted of an inorganic part, of SiO2 nanoparticles (NPs) along with an organic moiety of poly(allylamine hydrochloride) polycation PAH, which was finally infused with functional compound, p-sulphanatocalix[4]arene (CA[4]). The LPG sensor was designed to operate at the phase matching turning point to provide the highest sensitivity. The sensing mechanism is based on the measurement of the refractive index (RI) change induced by the complexion of the VOCs with calix[4]arene (CA). The LPG modified with 5 cycles of (SiO2 NPs/PAH)5PAA responded to exposure to chloroform and benzene vapours. The sensitivity to humidity as an interfering parameter was also investigated.en_UK
dc.identifier.citationKorposh S, Davis F, James SW, (2013) Detection of volatile organic compounds (VOCs) using an optical fibre long period grating with a calixarene anchored mesoporous thin film. In: Proceedings of SPIE: Volume 8794, 5th European workshop on optical fibre sensors, 19-22 May 2013, Krakow, Poland, pp. 131-146en_UK
dc.identifier.issn0277-786X
dc.identifier.urihttps://dx.doi.org/10.1117/12.2026270
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/9767
dc.language.isoenen_UK
dc.publisherSPIEen_UK
dc.subjectLong period grating (LPG)en_UK
dc.subjectVolatile organic compounds (VOCs)en_UK
dc.subjectPhase matching turning point (PMTP)en_UK
dc.subjectMesoporous filmen_UK
dc.subjectLayer-by-layer (LbL)en_UK
dc.subjectcalix[4]arene (CA[f])en_UK
dc.titleDetection of volatile organic compounds (VOCs) using an optical fibre long period grating with a calixarene anchored mesoporous thin filmen_UK
dc.typeConference paperen_UK

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