Fig. 1From: UV-Visible Photodetector Based on I-type Heterostructure of ZnO-QDs/Monolayer MoS2a Schematic diagram of pristine device and ZnO-QDs/MoS2 device. b Optical images of MoS2 flakes, scale bar, 10 μm. c AFM image, the inset shows the thickness of MoS2, scale bar, 2 μm. d Raman spectrum and e PL spectrum of the MoS2 flake. f Raman mapping of the MoS2 flake, scale bar, 5 μmBack to article page