Textile triboelectric nanogenerators for human respiratory monitoring with machine washability are developed through loom weaving of Cu-PET and PI-Cu-PET yarns. Triboelectric charges are generated at the yarn crisscross intersections to achieve a maximum short circuit current density of 15.50 mA m . By integrating into a chest strap, human respiratory rate and depth can be monitored.

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We report a plasmonic structure consisting of a graphene ribbon and a graphene disk. The plasmonic structure can work as a promising waveguide-ring resonator in ultra compact devices, in which the ribbon and the disk support different surface plasmons. We prove that disk's resonant modes are edge propagating surface plasmons. Strong optical coupling between the ribbon and the disk occurs when the momentum mismatch between plasmons in the ribbon and plasmons in the disk is weak. We also investigate the dependence of the optical coupling on the distances between the ribbon and the disk in parallel and vertical directions.

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A lightweight and soft fabric is obtained by Y. F. Hu, Z. J. Zheng, and co‐workers by direct weaving of Cu‐coated poly(ethylene terephthalate) (Cu‐PET) yarns and polyimide‐ coated Cu‐PET yarns, as described on page 10267. Mechanical energy can be harvested and human respiratory information can be obtained from the wearer.

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Pursuits of wearable electronics include the features of flexible, self-powered, and even being ultrathin and transparent for a better fit on different curved surfaces in an imperceptible way. In this paper, by stacking two graphene-covered parylene films layer by layer and introducing serpentine structures in one parylene film as the spacer, ultraflexible triboelectric nanogenerators (TENGs) with a total thickness of 5.5 μm and a transmittance of 80% were achieved. Under the stimulation of vertical impacts at frequencies of 0.5 Hz, 1 Hz, 1.5 Hz, 2 Hz, and 2.5 Hz, an open-circuit (OC) voltage of 3 V was maintained in a TENG measuring 2 × 2 cm 2 throughout all the cases, which indicated a good mechanical stability of the device. When the TENG was bent, there was an increase in OC voltage and short-circuit current in response to an increased curvature. Due to its ultrathin nature and being sensitive to curvature, the TENG was demonstrated to serve as a self-powered curvature sensor for movement monitoring when conformably attached on the finger joint.