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a,b) Space charge distribution at 70 °C across plaques of LDPE (a) and P3HT:LDPE with c P3HT = 0.0005 wt% (b), that have experienced an electric field of 50 kV mm−1 for 3 h (solid lines) and 5 s after removal of the electric field (dashed lines); the electrodes and thickness of the plaques are indicated with hatched and white areas, respectively.
