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. 2023 Sep 20;13(9):896. doi: 10.3390/bios13090896

Figure 3.

Figure 3

(A) Schematic illustration of the fabrication process for the flexible SnSe/PEDOT: PSS composite films [19]. Copyright 2020, RSC Publishing. (B,C) The prepared FeCo-PDMS composite film and its flexibility [29]. Copyright 2018, Elsevier. (D) Schematic diagram of the self-assembly process of MXene films. (E) Optical images of Mxene thin films show flexibility. (F) Optical images of LEDs lit in series by three devices in flat and bent states. It can be seen that the brightness of the lamp does not change when the power supply device is bent [30]. Copyright 2021, John Wiley and Sons. (G,H) Schematic and disassembled diagrams of the wireless smart bandage, including the FPCB and conductive adhesive hydrogel in contact with tissue (FPCB thickness ~100 μm) [33]. Copyright 2022, Springer Nature. (I) Representative image of a transparent hydrogel covering a leaf. (J) Photographs of circuits prepared based on hydrogels show that hydrogels have excellent electrical conductivity. (K–M) A conductive hydrogel sensor detects joint motion at different bending angles ((K): 15°, (L): 30°, (M): 60°) [34]. Copyright 2021, Springer Nature.