Photodetectors based on junctions of two-dimensional transition metal dichalcogenides
Wei Xia1, Yan Fa-Guang1, Shen Chao1, Lv Quan-Shan1, Wang Kai-You1, 2, †
       

(color online) (a) Schematic diagram of MoS2/WSe2 junction sandwiched between top and bottom graphene electrodes.[76] (b) The relationship between EQE and excitation energy.[76] (c) Possible existence of the interfaces between materials. (d) Photocurrent with respect to laser power.[115]