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Figure 8. Anti-crosstalk strategies of sensor array (A) Micro-cage structure-based sensor array. Reproduced with permission [35] .
Copyright 2023 Springer Nature; (B) Mechanical lattice structure sensor array. Reproduced with permission [34] . Copyright 2024
Elsevier; (C) High-stiffness substrate with cavity-based sensor array. Reproduced with permission [33] . Copyright 2024 Wiley-VCH; (D)
Braced-isolation structure-based sensor array. Reproduced with permission [32] . Copyright 2024 Wiley-VCH. PDMS:
Polydimethylsiloxane; NFs: nanofibers; PI: polyimide.
issues in multi-layer integration. Zhou et al. fabricated arrays using electrospun PVDF-TrFE nanofibers
collected on patterned ground electrodes. Self-patterned piezoelectric nanofiber arrays were produced .
[103]
The integrally prepared raised piezoelectric units eliminate crosstalk between units. Li et al. proposed a
[31]
laser-processing method to manufacture crosstalk-suppressed sensor arrays . First, piezoresistive 3D
graphene pixels were prepared using low-power lasers. Then, the active and substrate layers were cut,
leaving interconnect patterns. The geometric shapes of these patterns were optimized through theoretical
