Figure 7
From: Innovative antibacterial electrospun nanofibers mats depending on piezoelectric generation

The results of the piezoelectric characterization under (a) the output voltages with time at 1.5Â N, (b) the impulse response with different applied forces, (c) The output voltages with time at 1.5Â N and 2Â Hz, (d) The frequency response at constant force 1.5Â N, and (e) the stretching response.