Issue 28, 2023

Hydrogel-integrated optical fiber sensors and their applications: a comprehensive review

Abstract

Hydrogel-integrated optical fiber sensors have garnered momentous interest due to their optical properties, biocompatibility, and biodegradability. Integrating active materials with hydrogels facilitates hydrogels to be employed as a smart material that responds to external stimuli in biological or chemical media, allowing them to be a potential candidate for sensing applications. Although substantial research efforts have been made on integrating hydrogels with optical fibers, this field has never been reviewed extensively. In this paper, hydrogel-integrated optical fiber sensors are reviewed comprehensively, including the fundamentals of hydrogels, the synthesis process, and the working principle of various sensing methods. The light-guiding and sensing mechanism adopted by hydrogel-integrated optical fibers is discussed. The current progress in their fabrication procedures is categorized and explained. Finally, we have briefly evaluated the applications of hydrogel-integrated optical fiber sensors in various fields spanning from biosensing to environmental sensing.

Graphical abstract: Hydrogel-integrated optical fiber sensors and their applications: a comprehensive review

Article information

Article type
Review Article
Submitted
06 Dzi 2023
Accepted
09 Kho 2023
First published
13 Kho 2023

J. Mater. Chem. C, 2023,11, 9383-9424

Hydrogel-integrated optical fiber sensors and their applications: a comprehensive review

Md. S. B. Sadeque, H. K. Chowdhury, M. Rafique, M. A. Durmuş, Md. K. Ahmed, Md. M. Hasan, A. Erbaş, İ. Sarpkaya, F. Inci and M. Ordu, J. Mater. Chem. C, 2023, 11, 9383 DOI: 10.1039/D3TC01206A

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