Figure 4

(a) Schematic representation of the device structure – ITO/ZnO/photoactive layer/MoO3/Ag; (b) corresponding energy band diagram of the device (not in scale). All the energy level values are in eV unit.
(a) Schematic representation of the device structure – ITO/ZnO/photoactive layer/MoO3/Ag; (b) corresponding energy band diagram of the device (not in scale). All the energy level values are in eV unit.