期刊
NANOSCALE
卷 13, 期 4, 页码 2065-2081出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nr07770d
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资金
- Henry Samueli School of Engineering & Applied Science
- Department of Bioengineering at the University of California, Los Angeles
- 2020 Okawa Foundation Research Grant
Triboelectric nanogenerators (TENGs) offer a promising approach to self-powered chemical sensing by converting mechanical triggers into usable electrical signals, with advantages including simple structure, low failure probability, and a wide range of material choices.
Chemical sensors allow for continuous detection and analysis of underexplored molecules in the human body and the surroundings and have promising applications in human healthcare and environmental protection. With the increasing number of chemical sensors and their wide-range distribution, developing a continuous, sustainable, and pervasive power supply is vitally important but an unmet scientific challenge to perform chemical sensing. Self-powered chemical sensing via triboelectric nanogenerators (TENGs) could be a promising approach to this critical situation. TENGs can convert mechanical triggers from the surroundings into usable electrical signals for chemical sensing in a self-powered and environment friendly manner. Moreover, their simple structure, low probability of failure, and wide choice of materials distinguish them from other chemical sensing technologies. This review article discusses the working principles of TENGs and their applications in chemical sensing with respect to the role of TENGs as either a self-powered sensor or a power source for existing chemical sensors. Advances in materials innovation and nanotechnology to optimize the chemical sensing performances are discussed and emphasized. Finally, the current challenges and future prospect of TENG enabled self-powered chemical sensing are discussed to promote interdisciplinary field development and revolutions.
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