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. 2022 Feb 15;14:61. doi: 10.1007/s40820-022-00806-8

Fig. 12.

Fig. 12

a Photograph and schematic diagram of the prepared composite microfiber seamed in the elbow wrap, the fabricated fiber could repel both artificial sweat and water. b Relative resistance changes of the composite microfibers with and without the modification of HDF-PA depending on sweat and water [214]. Copyright © 2018 Wiley–VCH. c Photo of the mirror-like phenomenon of the sensor by immersion in water and d a column of water bouncing off. e Photo image showing the WCA variation after different treatments [138]. Copyright © 2019 Elsevier. f The relative resistance change depends on temperature from 30 to 130 ℃. g The sensing behavior of the hot wind. h Cyclic sensing performance of different vapors under the concentration of 200 ppm. i Sensing performance of formic acid with different concentrations [218]. Copyright © 2020 Elsevier