Figure 3From: Modification of hybrid active bilayer for enhanced efficiency and stability in planar heterojunction colloidal quantum dot photovoltaicsSchematic drawing and current density-voltage characteristics. (a) Schematic structure of the PHJ device. (b) Current density-voltage characteristics of the PHJ device with OA-treated PbS CQD solid films and CTAB-treated PbS CQD solid films.Back to article page