fig9

Figure 9. (A) Schematic of the PVDF-ionogel self-powered wearable device and the output voltages due to bending (above). Reprinted (adapted) with permission from Li et al.^[117]. Copyright 2023 American Chemical Society. (B) Images of transistor array under the original and stretched states (above). Optical microscopic images of one transistor in the array under 0% and 100% global strain (below). Reprinted (adapted) with permission from Wang et al.^[118]. Copyright 2021 Springer Nature. (C) The six hand gestures performed by the participants (above) and the support vector machine graph (below). Reprinted (adapted) with permission from Fatayerji et al.^[119]. Copyright 2023 Springer Nature Switzerland AG. (D) AgNWs-D-sorbitol-WPU (ADW) sEMG enabled lip-reading system and the machine learning-assisted sEMG signal processing along with its application (below). Reprinted (adapted) with permission from Dong et al.^[120]. Copyright 2023 Wiley-VCH GmbH. PVDF: poly(vinylidene fluoride).