Modified polymer optical fiber sensors for crude oil refractive index monitoring

Samavati, Z. and Samavati, A. and Ismail, A.F. and Yahya, N. and Othman, M.H.D. and Rahman, M.A. (2020) Modified polymer optical fiber sensors for crude oil refractive index monitoring. Journal of Materials Science: Materials in Electronics, 31 (15). pp. 12089-12100.

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Abstract

The oil concentration as a petroleum quality parameter is an eternal mystery that determines the oil value. We report detection of crude oil refractive index (RI) changes by modified polymer optical fiber (POF) sensor which is prepared via removing the majority of cladding part until ~ 100 nm thickness remains followed by the deposition of discontinuous silver (Ag) nanofilm as an inner layer (~ 20 nm thicknesses) and coating with different shapes of zinc oxide (ZnO) nanostructures including nanoparticles and horizontally and vertically oriented nanorods as an outer layer. Upon conversion from ZnO nanoparticles to vertically oriented ZnO nanorods, the rms roughness, optical band gap, and light transmittance are varied from ~ 23 to ~ 346 nm, ~ 3.45 to ~ 3.20 eV, and 31 to 27, respectively. The higher sensing performance is obtained for the probe coated with vertically aligned ZnO nanorods at near-infrared wavelength and the value for intensity and wavelength sensitivity are 38 dB/RIU and 78 nm/RIU, respectively. This superior performance is originated from deep penetration of evanescent wave, high surface volume ratio, good crystallinity, adhesive interaction with crude oil molecules, large surface roughness, and high-order dispersion. © 2020, Springer Science+Business Media, LLC, part of Springer Nature.

Item Type: Article
Impact Factor: cited By 1
Uncontrolled Keywords: Adhesives; Crude oil; Crystallinity; Energy gap; II-VI semiconductors; Infrared devices; Nanoparticles; Nanorods; Oxide minerals; Plastic coatings; Plastic optical fibers; Surface roughness; Zinc coatings; Zinc oxide; ZnO nanoparticles, Adhesive interaction; High-order dispersion; Light transmittance; Near-infrared wavelength; Quality parameters; Sensing performance; Vertically aligned; Wavelength sensitivity, Refractive index
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 25 Mar 2022 06:33
Last Modified: 25 Mar 2022 06:33
URI: http://scholars.utp.edu.my/id/eprint/30077

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