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Piezoelectric properties of nanofibrous composites membranes compared to mechanical properties.
| Sample | Minimum Voltage at Impulse Load of 50 gm, (mV) | Maximum Voltage at Impulse Load of 300 gm, (mV) | Piezoresponse Sensitivity (mV/gm) | Toughness, (J·m−3) |
|---|---|---|---|---|
| PVDF | 590 | 1240 | 2.9 | 14.2 |
| PVDF/TPU (3:1) | 480 | 830 | 1.6 | 252.3 |
| PVDF/TPU (1:1) | 350 | 680 | 1.5 | 389.3 |
| PVDF/TPU (1:3) | 170 | 400 | 1.1 | 792 |
| TPU | 0 | 0 | 0 | 921 |
