Fig. 2From: All-Perovskite Photodetector with Fast ResponseElectrical properties of the perovskite photodetector. a Output characteristics at different VGS in the darkness. b Transfer characteristics (IDS vs VGS) at VDS = 0.1 V with illumination (red line) and in the darkness (black line). c Transfer curve of photodetector as a function of negative gate-source voltage at VDS = 1 with varying incidence optical powers. d Responsivity (R) with a relationship of excitation light (Ee)Back to article page