Fig. 2: Electrical characteristics of PM-OPD.

a JV curves in dark (dashed lines) and under 100 mW cm−2 illumination (solid lines) of devices based on ZnPc:C60 at different concentrations. A clear increase of the light and dark current is observed for devices with concentration higher than 3 wt%. b EQE of the same devices showed in a, measured at −5 V. The observed increase in current under illumination results in an increased EQE over 100%, achieving maximum of 450%.