Issue 6, 2023

Utilizing cellulose-based conducting hydrogels in iontronics

Abstract

The rising interest in wearable devices has galvanized research into the development of flexible electronics. Flexible iontronics, devices that employ ions as charge carriers, have been accessed by employing ionic conductive hydrogels. While petroleum-based polymers have dominated this field, recently there is a drive towards renewable alternatives to develop more sustainable alternatives. This review focuses on the use of cellulose in ionic conductive hydrogels (IHCs) and their application in fabricating iontronics. The general structure and properties of cellulose and its derivatives are described, highlighting the inherent properties of the material that can be utilized to enhance the performance of IHCs. Subsequently, the basic theory behind ionic conduction is discussed, providing to the reader a brief overview of the origin, process and factors that influence ionic conduction. Thereafter, a discussion is presented on the major factors that influence the performance of ICHs and how the inherent properties of cellulose have been employed to improve the properties of these material. Finally, we discuss examples of devices in which the properties of the ionic conductor are enhanced by the presence of cellulose.

Graphical abstract: Utilizing cellulose-based conducting hydrogels in iontronics

Article information

Article type
Tutorial Review
Submitted
06 5月 2023
Accepted
06 7月 2023
First published
21 7月 2023
This article is Open Access
Creative Commons BY license

RSC Sustain., 2023,1, 1369-1385

Utilizing cellulose-based conducting hydrogels in iontronics

K. Nyamayaro, S. G. Hatzikiriakos and P. Mehrkhodavandi, RSC Sustain., 2023, 1, 1369 DOI: 10.1039/D3SU00139C

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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