FIG. 10.
Fibrous wearable physical sensor. (a) Schematic illustration of soft magnetic fiber. (b) Integration of soft magnetic fibers into a wristband. (c) Soft magnetic fibers monitor pulse activity during training or underwater. (a)–(c) Reproduced with permission from Zhao et al., Nat. Commun. 12, 6755 (2021). Copyright 2021 Authors, licensed under a Creative Commons Attribution (CC BY) license.150 (d) Schematics of thermal drawing of fiber poling of fibrous microphones. (e) Integration of fibrous microphones into textile. (f) Thermally drawn fibers capable of spatiotemporal sensitivity. (d)–(f) Reproduced with permission from Yan et al., Nature 603, 616 (2022). Copyright 2022 Springer Nature.51 (g) Microscopic image of nanomesh composed of polyurethane-polydimethylsiloxane (PU-PDMS) fibers, laminated with gold. (h) Nanomesh seamless integrated on the skin. (i) Cyclic stretching/releasing at 30% strain for strain sensors made of PU-PDMS/gold nanomesh. These nanomesh conductors exhibit repeatable and reliable strain measurements. (g)–(i), Reproduced with permission from Wang et al., Sci. Adv. 6, eabb7043 (2020). Copyright 2020 American Association for the Advancement of Science.151 (j) Field emission scanning electron microscopy image of pressure sensor made from electrospun fibers with random orientation. (k) An optical image of an integrated sensor array on a soft, elastic substrate. (l) I–V response of one pixel array made from electrospun fiber mixed with graphene and CNT at different applied pressure. (j)–(l) Reproduced with permission from Lee et al., Nat. Nanotechnol. 11, 472 (2016). Copyright 2016 Springer Nature.152