Volatile Organic Compounds Sensing Using Optical Fibre Long Period Grating with Mesoporous Nano-Scale Coating
| العنوان: | Volatile Organic Compounds Sensing Using Optical Fibre Long Period Grating with Mesoporous Nano-Scale Coating |
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| المؤلفون: | Stephen W. James, Jiri Hromadka, Ralph P. Tatam, Frank Davis, Matthew Partridge, Sergiy Korposh, Derrick Crump |
| المصدر: | Sensors; Volume 17; Issue 2; Pages: 205 Sensors, Vol 17, Iss 2, p 205 (2017) Sensors (Basel, Switzerland) |
| بيانات النشر: | MDPI AG, 2017. |
| سنة النشر: | 2017 |
| مصطلحات موضوعية: | mesoporous film, phase matching turning point (PMTP), Layer-by-layer (LbL), p-sulphanato calix[4]arene (CA[4]), Volatile organic compounds (VOCs), 02 engineering and technology, Q1, lcsh:Chemical technology, Long period grating (LPG), 01 natural sciences, Biochemistry, Article, Analytical Chemistry, Allylamine, Phase matching turning point (PMTP), chemistry.chemical_compound, Calixarene, Acetone, Moiety, Organic chemistry, QD, lcsh:TP1-1185, Electrical and Electronic Engineering, Benzene, Instrumentation, long period grating (LPG), volatile organic compounds (VOCs), layer-by-layer (LbL), p-sulphanato calix[8]arene (CA[8]), Chloroform, 010401 analytical chemistry, P-sulphanato calix[8]arene (CA[8]), 021001 nanoscience & nanotechnology, Toluene, Atomic and Molecular Physics, and Optics, 0104 chemical sciences, Mesoporous film, P-sulphanato calix[4]arene (CA[4]), chemistry, 0210 nano-technology, Mesoporous material, Nuclear chemistry |
| الوصف: | 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, SiO₂ 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 (SiO₂ 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. |
| وصف الملف: | application/pdf |
| تدمد: | 1424-8220 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::700d9f48f0b3df4c1ef3b6ae05b79a40 https://doi.org/10.3390/s17020205 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....700d9f48f0b3df4c1ef3b6ae05b79a40 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 14248220 |
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