Volatile organic compounds sensing using optical fibre long period grating with mesoporous nano-scale coating

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dc.contributor.authorHromadka, J.
dc.contributor.authorKorposh, Sergiy
dc.contributor.authorPartridge, Matthew
dc.contributor.authorJames, Stephen W.
dc.contributor.authorDavis, Frank
dc.contributor.authorCrump, Derrick
dc.contributor.authorTatam, Ralph P.
dc.date.accessioned2017-04-07T09:13:06Z
dc.date.available2017-04-07T09:13:06Z
dc.date.issued2017-02-08
dc.description.abstractA long period grating (LPG) modified with a mesoporous film infused with a calixarene as a functional compound was employed for the detection of individual volatile organic compounds (VOCs) and their mixtures. The mesoporous film consisted of an inorganic part, SiO nanoparticles (NPs), along with an organic moiety of poly(allylamine hydrochloride) polycation PAH, which was finally infused with the functional compound, p-sulphanato calix[4]arene (CA[4]) or p-sulphanato calix[8]arene (CA[8]). 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 a complex of the VOCs with calixarene. The LPG, modified with a coating of 5 cycles of (SiO NPs/PAH) and infused with CA[4] or CA[8], was exposed to chloroform, benzene, toluene and acetone vapours. The British Standards test of the VOCs emissions from material (BS EN ISO 16000-9:2006) was used to test the LPG sensor performance.en_UK
dc.identifier.citationHromadka J, Korposh S, Partridge M, et al., (2017) Volatile organic compounds sensing using optical fibre long period grating with mesoporous nano-scale coating. Sensors, Volume 17, Issue 2, February 2017, Article number 205en_UK
dc.identifier.issn1424-8220
dc.identifier.urihttp://dx.doi.org/10.3390/s17020205
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/11752
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectLayer-by-layer (LbL)en_UK
dc.subjectLong period grating (LPG)en_UK
dc.subjectMesoporous filmen_UK
dc.subjectP-sulphanato calix[4]arene (CA[4])en_UK
dc.subjectP-sulphanato calix[8]arene (CA[8])en_UK
dc.subjectPhase matching turning point (PMTP)en_UK
dc.subjectVolatile organic compounds (VOCs)en_UK
dc.titleVolatile organic compounds sensing using optical fibre long period grating with mesoporous nano-scale coatingen_UK
dc.typeArticleen_UK

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