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Reflectance response of tapered optical fiber coated with graphene oxide nanostructured thin film for aqueous ethanol sensing

Shabaneh,AA, Girei,SH, Arasu,PT, Rahman,WBWA, Bakar,AAA, Sadek,AZ, Lim,HN, Huang,NM and Yaacob,MH 2014, Reflectance response of tapered optical fiber coated with graphene oxide nanostructured thin film for aqueous ethanol sensing, Optics Communications, vol. 331, pp. 320-324, doi: 10.1016/j.optcom.2014.06.035.

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Title Reflectance response of tapered optical fiber coated with graphene oxide nanostructured thin film for aqueous ethanol sensing
Author(s) Shabaneh,AA
Girei,SH
Arasu,PT
Rahman,WBWA
Bakar,AAA
Sadek,AZ
Lim,HN
Huang,NM
Yaacob,MH
Journal name Optics Communications
Volume number 331
Start page 320
End page 324
Total pages 5
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2014-11-15
ISSN 0030-4018
Keyword(s) Dip-coating
Ethanol
Graphene oxide
Optical fiber sensor
Optical sensing
Reflectance
Science & Technology
Physical Sciences
Optics
ABSORPTION-SPECTRUM
LIQUID WATER
SENSOR
Summary In this work, optical sensing performance of tapered multimode fiber tip coated with graphene oxide (GO) nanostructured thin film towards aqueous ethanol with different concentrations is investigated. The tapering process of the optical fiber is done by a glass processing machine. The multimode optical fiber tip is dip-coated with GO and annealed at 70 °C to enhance the binding of the nanomaterials to the silica fiber. FESEM, Raman microscopy and XRD analyses are performed to micro-characterize the GO thin films. The morphology of the GO is observed to be in sheets forms. The reflectance response of the GO coated fiber tip is compared with the uncoated tip. The measurements are taken using a spectrophotometer in the optical wavelength range of 550-720 nm. The reflectance response of the GO coated fiber tip reduced proportionally, upon exposure to ethanol with concentration range of 5-80%. The dynamic response of the developed sensor showed strong reversibility and repeatability when it is exposed to ethanol with concentrations of 5%, 20% and 40% in distilled water. At room temperature, the sensor shows fast response and recovery as low as 19 and 25 s, respectively. © 2014 Elsevier B.V.
Language eng
DOI 10.1016/j.optcom.2014.06.035
Field of Research 030107 Sensor Technology (Chemical aspects)
030303 Optical Properties of Materials
030306 Synthesis of Materials
100708 Nanomaterials
Socio Economic Objective 969999 Environment not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071940

Document type: Journal Article
Collection: Institute for Frontier Materials
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