fig10

Figure 10. Hybrid structure. (A) Design of a pressure sensor with double-sided microstructural ionic layer fabricated via sandpaper template replication. Reproduced with permission^[165]. Copyright 2025, AIP Publishing; (B) An array of hemispheres with micropillars is constructed in the ionic layer to form a double-layered graded interlocking structure. Reproduced with permission^[19]. Copyright 2022, American Chemical Society; (C) Constructing a multilayered ionic layer enhances the sensor’s compressibility, enabling uniform stress distribution. Reproduced with permission^[168]. Copyright 2021, American Chemical Society. EDL: Electric double layer; PI: polyimide.