Applied voltage (kV) | Rigid (mA∙m−2) | Flexible (mA∙m−2) | IF/IR |
10 | 0 | 0 | / |
20 | 0.05 | 0.10 | 2.00 |
30 | 0.14 | 0.26 | 1.86 |
40 | 0.28 | 0.50 | 1.79 |
50 | 0.45 | 1.14 | 2.53 |
60 | 0.75 | 1.31 | 1.75 |