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Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme

An optimization method of the proposed humidity sensing scheme comprises of silica microfiber laid on a glass surface coated with Zinc Oxide (ZnO) nanorods is reported. The silica microfibers were tapered into several waist diameters of 6 µm, 8 µm, 10 µm and 12 µm using flame brushing technique, whi...

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Main Authors:	Jali, Mohd Hafiz, Abdul Rahim, Hazli Rafis, Mohd Yusof, Haziezol Helmi, Md Johari, Md Ashadi, Thokchom, Siddharth, Harun, Sulaiman Wadi, Yasin, Moh
Format:	Article
Published:	Elsevier 2019
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://eprints.um.edu.my/24117/ https://doi.org/10.1016/j.yofte.2019.101983
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spelling	my.um.eprints.241172020-03-26T06:54:01Z http://eprints.um.edu.my/24117/ Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme Jali, Mohd Hafiz Abdul Rahim, Hazli Rafis Mohd Yusof, Haziezol Helmi Md Johari, Md Ashadi Thokchom, Siddharth Harun, Sulaiman Wadi Yasin, Moh TK Electrical engineering. Electronics Nuclear engineering An optimization method of the proposed humidity sensing scheme comprises of silica microfiber laid on a glass surface coated with Zinc Oxide (ZnO) nanorods is reported. The silica microfibers were tapered into several waist diameters of 6 µm, 8 µm, 10 µm and 12 µm using flame brushing technique, while the glass surface was coated with ZnO nanorods using hydrothermal method for 6 h, 9 h, 12 h, 15 h and 18 h of growth time. The samples were exposed to the different humidity level ranging from 35%RH to 85%RH to observe several performance parameters such as scattering coefficient (α), sensing performance factor γ, output light intensity and ultimately the sensitivity. 12-h growth sample exhibited the optimum results in term of α,γ, output light intensity and sensitivity towards the %RH level. The sensitivity improved by a factor of 1.3 as compared to the closest best sample. Besides that, it was found that 6 µm waist diameter microfiber sample produced optimum result in term α, γ and sensitivity towards the %RH level. The sensitivity improved by a factor of 1.1 as compared to the closest best sample. The work provided the best optimization method for microfiber and ZnO nanorods samples for the proposed humidity sensing scheme. It utilized the distinctive features of the scattering and surface absorption capability of the microfiber and ZnO nanomaterials coated glass surface to couple with the surrounding water molecules for humidity sensing. © 2019 Elsevier Inc. Elsevier 2019 Article PeerReviewed Jali, Mohd Hafiz and Abdul Rahim, Hazli Rafis and Mohd Yusof, Haziezol Helmi and Md Johari, Md Ashadi and Thokchom, Siddharth and Harun, Sulaiman Wadi and Yasin, Moh (2019) Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme. Optical Fiber Technology, 52. p. 101983. ISSN 1068-5200 https://doi.org/10.1016/j.yofte.2019.101983 doi:10.1016/j.yofte.2019.101983
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Jali, Mohd Hafiz Abdul Rahim, Hazli Rafis Mohd Yusof, Haziezol Helmi Md Johari, Md Ashadi Thokchom, Siddharth Harun, Sulaiman Wadi Yasin, Moh Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme
description	An optimization method of the proposed humidity sensing scheme comprises of silica microfiber laid on a glass surface coated with Zinc Oxide (ZnO) nanorods is reported. The silica microfibers were tapered into several waist diameters of 6 µm, 8 µm, 10 µm and 12 µm using flame brushing technique, while the glass surface was coated with ZnO nanorods using hydrothermal method for 6 h, 9 h, 12 h, 15 h and 18 h of growth time. The samples were exposed to the different humidity level ranging from 35%RH to 85%RH to observe several performance parameters such as scattering coefficient (α), sensing performance factor γ, output light intensity and ultimately the sensitivity. 12-h growth sample exhibited the optimum results in term of α,γ, output light intensity and sensitivity towards the %RH level. The sensitivity improved by a factor of 1.3 as compared to the closest best sample. Besides that, it was found that 6 µm waist diameter microfiber sample produced optimum result in term α, γ and sensitivity towards the %RH level. The sensitivity improved by a factor of 1.1 as compared to the closest best sample. The work provided the best optimization method for microfiber and ZnO nanorods samples for the proposed humidity sensing scheme. It utilized the distinctive features of the scattering and surface absorption capability of the microfiber and ZnO nanomaterials coated glass surface to couple with the surrounding water molecules for humidity sensing. © 2019 Elsevier Inc.
format	Article
author	Jali, Mohd Hafiz Abdul Rahim, Hazli Rafis Mohd Yusof, Haziezol Helmi Md Johari, Md Ashadi Thokchom, Siddharth Harun, Sulaiman Wadi Yasin, Moh
author_facet	Jali, Mohd Hafiz Abdul Rahim, Hazli Rafis Mohd Yusof, Haziezol Helmi Md Johari, Md Ashadi Thokchom, Siddharth Harun, Sulaiman Wadi Yasin, Moh
author_sort	Jali, Mohd Hafiz
title	Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme
title_short	Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme
title_full	Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme
title_fullStr	Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme
title_full_unstemmed	Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme
title_sort	optimization of sensing performance factor (γ) based on microfiber-coupled zno nanorods humidity scheme
publisher	Elsevier
publishDate	2019
url	http://eprints.um.edu.my/24117/ https://doi.org/10.1016/j.yofte.2019.101983
_version_	1662755225440616448
score	13.211869

Optimization of sensing performance factor (γ) based on microfiber-coupled ZnO nanorods humidity scheme

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