Light–matter interaction of 2D materials: Physics and device applications

Li Zi-Wei^{1, 2}, Hu Yi-Han¹, Li Yu^{1, 2}, Fang Zhe-Yu^{1, 2, 3, †}

(color online) The optical properties of 2D materials. (a) Optical image of single layer graphene and bilayer graphene.^[24] (b) Multi-exciton transformation of MoS₂ monolayer with electric gate doping.^[15] (c) The schematic view of optical absorption, exciton and trion formation in TMDs.^[32]