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Get Free AccessThe physical filtration mechanism of a traditional face mask has a low removal efficiency of ultrafine particulates in the size range of 10–1000 nm, which are badly harmful to human health. Herein, a novel self-powered electrostatic adsorption face mask (SEA-FM) based on the poly(vinylidene fluoride) electrospun nanofiber film (PVDF-ESNF) and a triboelectric nanogenerator (TENG) driven by respiration (R-TENG) is developed. The ultrafine particulates are electrostatically adsorbed by the PVDF-ESNF, and the R-TENG can continually provide electrostatic charges in this adsorption process by respiration. On the basis of the R-TENG, the SEA-FM shows that the removal efficiency of coarse and fine particulates is higher than 99.2 wt % and the removal efficiency of ultrafine particulates is still as high as 86.9 wt % after continually wearing for 240 min and a 30-day interval. This work has proposed as a new method of wearable air filtration and may have great prospects in human health, self-powered electronics, and wearable devices.
Guoxu Liu, Jinhui Nie, Changbao Han, Tao Jiang, Zhiwei Yang, Yaokun Pang, Liang Xu, Tong Guo, Tianzhao Bu, Chi Zhang, Zhong Lin Wang (2018). Self-Powered Electrostatic Adsorption Face Mask Based on a Triboelectric Nanogenerator. , 10(8), DOI: https://doi.org/10.1021/acsami.7b18732.
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Type
Article
Year
2018
Authors
11
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1021/acsami.7b18732
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