Fig. 2From: UV-Visible Photodetector Based on I-type Heterostructure of ZnO-QDs/Monolayer MoS2a ZnO-QDs with different synthesis time emitted light under illumination of UV light. b XRD diffraction patterns of powdered ZnO-QDs. c, d TEM and HRTEM images of ZnO-QDs. Inset shows size distribution of ZnO-QDsBack to article page