Optimizing performance of Cu2O/ZnO nanorods heterojunction based self-powered photodetector with ZnO seed layer

Fig. 8(a)The spectral photoresponsivity of the devices with different seed layers at zero bias, and Fig. 8(b) The energy band diagrams of the Cu2O/ZnO NRs heterojunctions based device under zero bias under the UV and visible light illuminations.205