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Review Article

Face Masks in the New COVID-19 Normal: Materials, Testing, and Perspectives

Figure 10

(a) Schematic showing the fabrication of nylon-6/PAN nanofibre/net membranes by electrospinning/netting technology. (b) Schematic showing an electret filter consists of PE/PP nanofibre as the matrix and magnesium stearate as the charge enhancer. (c) Schematic image of the filtration mechanism of the filter with R-TENG. (d) Structure and photo of a self-powered electrostatic adsorption face mask with R-TENG. Reprinted with permission from Ref. [126], copyright 2015, Macmillan Publishers Limited; Ref. [139], copyright 2015, The Royal Society of Chemistry; and Ref. [140142], copyright 2017–2019, American Chemical Society.
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