fig9

Figure 9. Anti-crosstalk strategies of sensor array. (A) Shared dielectric layer and isolated dielectric units. Reproduced with permission^[101]. Copyright 2023 Elsevier; (B) Schematic illustration of the fabrication process of the crosstalk-minimized array with a 3D printed substrate. Reproduced with permission^[102]. Copyright 2023 Elsevier; (C) Fabrication process of the crosstalk-free flexible piezoelectric pressure sensors. Reproduced with permission^[103]. Copyright 2023 Elsevier; (D) Finite element model analysis of three models with different interconnect patterns. Reproduced with permission^[31]. Copyright 2022 Wiley-VCH; (E) Exploded view of the crosstalk-free piezoresistive sensor array with serpentine electrodes and optical images of the sensor array with weights of 1 and 2 g placed in shapes of X and 2D pressure data monitored by LabView. Reproduced with permission^[104]. Copyright 2024 Wiley-VCH. PDMS: Polydimethylsiloxane; NFs: nanofibers; PI: polyimide; 2D: two-dimensional; 3D: three-dimensional; TPU: thermoplastic polyurethane; M-nWF: MXene coated nonwoven fabric.