Fig. 3From: Bias-dependent photoresponsivity of multi-layer MoS2 phototransistorsPhotoresponse of MoS2 phototransistors depending on applied bias. a Photocurrent at various drain biases (3, 9, 15, 21, and 27 V) and a constant light intensity (5 mW/cm2) depending on the gate bias. b, c The energy band diagrams of a multi-layer MoS2 phototransistorBack to article page