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. 2022 Jan 24;9(9):2105423. doi: 10.1002/advs.202105423

Figure 2.

Figure 2

Triboelectric working mechanism and performances of sensors comprising inversely polarized P(VDF‐TrFE) with an interlocked microstructure. a) Schematic of triboelectric charge generation and the electron flow mechanism for interlocked P(VDF‐TrFE) microstructures with opposite polarization. b) Pressure‐sensitive triboelectric outputs for different types of sensors: non‐polarized/planar (np‐P), non‐polarized/interlocked (np‐Int), polarized/planar (p‐P), and polarized/interlocked (p‐Int). c) Output enhancement from each sensor compared to that of np‐P. d) Pressure‐dependent triboelectric output and e) linear fit of the variation in the triboelectric voltage with applied pressure (0.1–98 kPa).