Figure 3
From: Innovative antibacterial electrospun nanofibers mats depending on piezoelectric generation

(a) The stretching piezoelectric setup and (b) the sandwiched sample between two stretchable metallic electrodes.
From: Innovative antibacterial electrospun nanofibers mats depending on piezoelectric generation

(a) The stretching piezoelectric setup and (b) the sandwiched sample between two stretchable metallic electrodes.