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

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dc.contributor.author Hromadka, J.
dc.contributor.author Korposh, Sergiy
dc.contributor.author Partridge, Matthew
dc.contributor.author James, Stephen W.
dc.contributor.author Davis, F.
dc.contributor.author Crump, Derrick
dc.contributor.author Tatam, Ralph P.
dc.date.accessioned 2017-04-07T09:13:06Z
dc.date.available 2017-04-07T09:13:06Z
dc.date.issued 2017-02-08
dc.identifier.citation Hromadka, J.; Korposh, S.; Partridge, M.; James, S.W.; Davis, F.; Crump, D.; Tatam, R.P. Volatile Organic Compounds Sensing Using Optical Fibre Long Period Grating with Mesoporous Nano-Scale Coating. Sensors Volume 2017, Issue 2, article number 205 en_UK
dc.identifier.issn 1424-8220
dc.identifier.uri http://dx.doi.org/10.3390/s17020205
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/11752
dc.description.abstract A 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.language.iso en en_UK
dc.publisher MDPI en_UK
dc.rights Attribution 4.0 International
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.subject Layer-by-layer (LbL) en_UK
dc.subject Long period grating (LPG) en_UK
dc.subject Mesoporous film en_UK
dc.subject P-sulphanato calix[4]arene (CA[4]) en_UK
dc.subject P-sulphanato calix[8]arene (CA[8]) en_UK
dc.subject Phase matching turning point (PMTP) en_UK
dc.subject Volatile organic compounds (VOCs) en_UK
dc.title Volatile organic compounds sensing using optical fibre long period grating with mesoporous nano-scale coating en_UK
dc.type Article en_UK

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