Photodetecting and light-emitting devices based on two-dimensional materials |
(color online) Schematic of a typical organic materials/graphene hybrid phototransistor (top). Atomic force microscope (AFM) images of a device that has undergone repeated C8-BTBT growth (bottom left). Photocurrent response of the graphene and C8-BTBT/graphene hybrid devices under the same experimental conditions: laser power density 7000 μW·cm−2, bias voltage 0.1 V, Vg–V0 = 10 V (bottom right).[ |