fig4

Figure 4. (A) The device structure, synergistic effect and pressure sensing mechanism; (B) structures of PVDF@CNT and PAN@CNT nanofibers; (C) excellent self-powered capability; (D) hypothetical applications of SBFNMs in self-powered wearable electronic devices^[72]. PVDF@CNT: Combination of polyvinylidene fluoride (PVDF) with carbon nanotubes (CNTs); PAN@CNT: combination of polyacrylonitrile (PAN) with carbon nanotubes (CNTs).