Journal
NANO ENERGY
Volume 98, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2022.107282
Keywords
Triboelectric nanogenerator; Self-powered; Environment monitoring; Chemical sensors
Categories
Funding
- Samueli School of Engineering & Applied Science and the Department of Bioengineering at the University of California, Los Angeles
- Hellman Fellows Research Grant
- UCLA Pandemic Resources Program Research Award
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This article reviews the recent progress of triboelectric nanogenerators in environmental monitoring, with a focus on their applications in air, soil, and water chemical sensing. The technology is of great significance in self-powered environmental monitoring.
With air pollution increasing around 75% in the past 30 years, 80% of the globe's wasted water flowing into Earth's oceans and rivers untreated, and more than 22 million hectares of soil being polluted, a more effective, efficient, and self-sufficient chemical sensor is needed to recognize, and in some cases, treat these pollutants. Currently, many sensors that require an external power source such as a battery or capacitor, necessitate human maintenance and involvement for accurate data collection, and can be detrimental to the environment. This makes the current technology highly unfavorable and incompatible with the recent surge in the Internet of Things (IoT). With that said, with the recent advances in Triboelectric Nanogenerators (TENGs), chemical sensors are able to become smaller, smarter, and most importantly, self-powered. In this review, the research progress of triboelectric nanogenerators for environmental monitoring are systematically summarized. More specifically applications including air, soil, and water chemical sensing will be examined. We concluded our review with a discussion of the challenges and problems of leveraging triboelectric nanogenerators for self-powered environ-mental monitoring.
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