Effect of Coated Tungsten Disulfide (WS2) on Tapered Optical Fibre for Urea Detection

Authors

  • Norhafizah Burham Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
  • Nurnadia Bachok Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
  • Norazida Ali Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
  • Ahmad Razi Othman Department of Chemical Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
  • Norhana Arsad Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
  • Aziati Husna Awang Photonics Research Group, School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
  • Naimah Mat Isa Photonics Research Group, School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
  • Zhibin Li Department of Physics, Jinan University, Guangzhou 510632, China

DOI:

https://doi.org/10.37934/araset.39.2.181190

Keywords:

Tapered fibre optic, urea concentration, tungsten disulfide, drop casting method

Abstract

It is crucial to detect urea in clinical samples because urea levels in biological fluids are clinically linked to a number of disorders, including dehydration, heart failure, and renal dysfunction. Here, a tungsten disulfide (WS2)-coated tapered optical fibre sensor with increased sensitivity is suggested and demonstrated. The findings have shown that the sensing sensitivity is greatly improved with WS2 coating on the tapered optical fibre. This improvement is made possible by the unique optoelectronic capabilities of the WS2 layer and the tapered diameter size. The coating of the 20 µm tapered diameter with 20 µL WS2 results in the maximum sensitivity (up to 0.069 dBm/(mg/dL)) in the experiment. This result demonstrates a sensitivity improvement of 60% compared to the scenario in which a WS2 coating was not present. Analysis and discussions are conducted on the sensing performance improvements brought about by the tapered diameter size and the WS2 coating. In addition, the WS2 tapered optical fibre sensor possesses a linear correlation coefficient of 99.8 % in a concentration range of 10–50 mg/dL.

Author Biographies

Norhafizah Burham, Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

hafizahburham@uitm.edu.my

Nurnadia Bachok, Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

nadiaphd@gmail.com

Norazida Ali, Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

norazida24@gmail.com

Ahmad Razi Othman, Department of Chemical Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

ahmadrazi@ukm.edu.my

Norhana Arsad, Photonics Technology Laboratory, Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

noa@ukm.edu.my

Aziati Husna Awang, Photonics Research Group, School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia

aziatihusna@uitm.edu.my

Naimah Mat Isa, Photonics Research Group, School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia

naimah5732@uitm.edu.my

Zhibin Li, Department of Physics, Jinan University, Guangzhou 510632, China

li_zhibin@foxmail.com

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Published

2024-02-13

How to Cite

Norhafizah Burham, Nurnadia Bachok, Norazida Ali, Ahmad Razi Othman, Norhana Arsad, Aziati Husna Awang, Naimah Mat Isa, & Zhibin Li. (2024). Effect of Coated Tungsten Disulfide (WS2) on Tapered Optical Fibre for Urea Detection. Journal of Advanced Research in Applied Sciences and Engineering Technology, 39(2), 181–190. https://doi.org/10.37934/araset.39.2.181190

Issue

Vol. 39 No. 2: September (2024)

Section

Articles