期刊
CHEMICAL ENGINEERING JOURNAL
卷 452, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2022.139209
关键词
Triboelectric nanogenerator; Metal -organic frameworks; Visible light communication; Self -powered system; Wireless human -machine interactions
In this study, we propose an efficient positive material for triboelectric nanogenerators (PAN@ZIF-8 nanofibers) and demonstrate a self-powered visible light communication system for wireless human-machine interactions, home appliance control, and text messaging.
We propose a zeolitic imidazolate framework (ZIF-8) nanocrystal decorated electrospun polyacrylonitrile (PAN) nanofiber as an efficient triboelectric positive material for the high-performance triboelectric nanogenerator (TENG) and demonstrate a self-powered visible light communication (VLC) system for wireless human-machine interactions. The PAN@ZIF-8 nanofibers provide a higher effective contact surface area that can contribute to the improvement of the total amount of generated charges. This can enable the energy harvesting performance of the PAN@ZIF-8 based TENG (PZ-TENG) to be increased more than 3 times compared to their individual PAN nanofibers and ZIF-8 crystal based TENG devices. Furthermore, we develop a PZ-TENG driven self-powered VLC system and utilize it for the wireless control of home appliances and text messaging systems. 3-bit binary codes are designed with two different mechanical activities (clicking '0 ' and flapping '1 ') for secure and wireless control of the home appliances (Fan, Humidifier, Bell, and Lamp) and to send a text message HI DGU on a mobile phone. The designed self-powered VLC system with advanced coding concepts can further enable remote personal identification, security defense, and smart home authentication and monitoring applications.
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