Triboelectric nanogenerators as power sources for chemical sensors and biosensors

Khandelwal, G. , Deswal, S. and Dahiya, R. (2022) Triboelectric nanogenerators as power sources for chemical sensors and biosensors. ACS Omega, 7(49), pp. 44573-44590. (doi: 10.1021/acsomega.2c06335)

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The recent advances of portable sensors in flexible and wearable form factors are drawing increasing attention worldwide owing to their requirement applications ranging from health monitoring to environment monitoring. While portability is critical for these applications, real-time data gathering also requires a reliable power supply─which is largely met with batteries. Besides the need for regular charging, the use of toxic chemicals in batteries makes it difficult to rely on them, and as a result different types of energy harvesters have been explored in recent years. Among these, triboelectric nanogenerators (TENGs) provide a promising platform for harnessing ambient energy and converting it into usable electric signals. The ease of fabrication and possibility to develop TENGs with a diverse range of easily available materials also make them attractive. This review focuses on the TENG technology and its efficient use as a power source for various types of chemical sensors and biosensors. The paper describes the underlying mechanism, various modes of working of TENGs, and representative examples of their utilization as power sources for sensing a multitude of analytes. The challenges associated with their adoption for commercial solutions are also discussed to stimulate further advances and innovations.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Deswal, Ms Swati and Dahiya, Professor Ravinder and Khandelwal, Dr Gaurav
Authors: Khandelwal, G., Deswal, S., and Dahiya, R.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:ACS Omega
Publisher:American Chemical Society
ISSN (Online):2470-1343
Published Online:29 November 2022
Copyright Holders:Copyright © 2022 The Authors
First Published:First published in ACS Omega 7(49): 44573-44590
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
308617Next Generation Energy Autonomous Textile Fabrics based on Triboelectric NanogeneratorsDaniel MulvihillEngineering and Physical Sciences Research Council (EPSRC)EP/V003380/1ENG - Electronics & Nanoscale Engineering