Fig. 1: Ultrathin, ultralight dual-scale fibrous filter with high protective capacity and wearing comfort. | Nature Communications

Fig. 1: Ultrathin, ultralight dual-scale fibrous filter with high protective capacity and wearing comfort.

From: Ultrathin, ultralight dual-scale fibrous networks with high-infrared transmittance for high-performance, comfortable and sustainable PM0.3 filter

Fig. 1

a Preparation process and structural characteristics of dual-scale fibrous filter. b Optical image of the dual-scale fiber filter. c Scanning electron microscope (SEM) images of the dual-scale fibrous filter and human hair. d Weight of a piece of dual-scale fibrous mask. e The breathability of the dual-scale fibrous filter. f Comparison of heat dissipation of the dual-scale fibrous filter and N95 mask.

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