fig4

Figure 4. Sensor array with different manufacture methods. (A) Coating deposit: spray coating and spin coating. Reproduced with permission^[80,81]. Copyright 2017 Elsevier. Copyright 2017 ACS Publications; (B) Template-based methods. Reproduced with permission^[83,84]. Copyright 2023 Elsevier. Copyright 2017 ACS Publications; (C) Laser-based methods. Reproduced with permission^[89,90]. Copyright 2017 Elsevier. Copyright 2021 Wiley-VCH; (D) Nanoimprint methods Reproduced with permission^[91]. Copyright 2019 Springer Nature. AgNWs: Silver nanowire; PDMS: polydimethylsiloxane; PVDF: polyvinylidene fluoride; NMP: N-Methyl-2-pyrrolidone; TENG: triboelectric nanogenerator; ITO: indium tin oxide; PET: polyethylene terephthalate; PI: polyimide; FEP: fluorinated ethylene propylene; PS: polystyrene beads; PPDL: porous pyramid dielectric layer; LIG: laser-induced graphene.