Label-free detection of dissolved carbon dioxide utilizing multimode tapered optical fiber coated zinc oxide nanorice

Wan Baihaqi Wan Ab Rahman, Nur Hidayah Azeman, Nur Hasiba Kamaruddin, P. Susthitha Menon N V Visvanathan, Arafat A. Shabaneh, Mohd Adzir Mahdi, Mohd Hadri Hafiz Mokhtar, Norhana Arsad, Ahmad Ashrif A Bakar

Research output: Contribution to journalArticle

Abstract

A label-free detection for dissolved carbon dioxide (dCO2) is developed using a tapered optical fiber sensor. The tapered region of the optical fiber is coated with the zinc oxide (ZnO) nanorice and used as a probe for dCO2 sensing. The sensor probe was exposed to different concentrations of dCO2 solution ranging from 10 to 100 ppm. ZnO nanorice can adsorb dCO2 via strong hydrogen bonding due to the presence of plenty of oxygen atoms on its surface layer. The interaction between ZnO nanorice and dCO2 changes the optical properties of the ZnO nanorice layer, resulting in the change in reflectance. From the experiment, the result shows that there is an improvement in the sensitivity of the sensor when higher concentration was used. A broad linear trend ranging from 0 to 60 ppm (R2= 0.972) is observed for the sensor probe that is coated with 1.0 M of ZnO nanorice compared with the 0.1 M and 0.5 M ZnO nanorice concentrations. The sensor sensitivity obtained is 0.008 mW/ppm. The sensor demonstrates a response and recovery time of 0.47 and 1.70 min, respectively. Good repeatability is obtained with the standard deviation in the range of 0.008-0.027. The average resolution calculated for this sensor is 4.595 ppm.

Original languageEnglish
Article number8581407
Pages (from-to)4538-4545
Number of pages8
JournalIEEE Access
Volume7
DOIs
Publication statusPublished - 1 Jan 2019

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Zinc Oxide
Zinc oxide
Carbon Dioxide
Labels
Optical fibers
Carbon dioxide
Sensors
Fiber optic sensors
Hydrogen bonds
Optical properties
Oxygen
Recovery
Atoms

Keywords

  • dissolved carbon dioxide
  • Optical fiber sensor
  • tapered optical fiber
  • zinc oxide

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Label-free detection of dissolved carbon dioxide utilizing multimode tapered optical fiber coated zinc oxide nanorice. / Rahman, Wan Baihaqi Wan Ab; Azeman, Nur Hidayah; Kamaruddin, Nur Hasiba; N V Visvanathan, P. Susthitha Menon; Shabaneh, Arafat A.; Mahdi, Mohd Adzir; Mokhtar, Mohd Hadri Hafiz; Arsad, Norhana; A Bakar, Ahmad Ashrif.

In: IEEE Access, Vol. 7, 8581407, 01.01.2019, p. 4538-4545.

Research output: Contribution to journalArticle

Rahman, Wan Baihaqi Wan Ab ; Azeman, Nur Hidayah ; Kamaruddin, Nur Hasiba ; N V Visvanathan, P. Susthitha Menon ; Shabaneh, Arafat A. ; Mahdi, Mohd Adzir ; Mokhtar, Mohd Hadri Hafiz ; Arsad, Norhana ; A Bakar, Ahmad Ashrif. / Label-free detection of dissolved carbon dioxide utilizing multimode tapered optical fiber coated zinc oxide nanorice. In: IEEE Access. 2019 ; Vol. 7. pp. 4538-4545.
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