High performance terahertz anisotropic absorption in graphene–black phosphorus heterostructure |
Schematics of graphene–black phosphorus heterostructure. (a) Schematic of monolayer BP atom structure with armchair direction along x axis and zigzag direction along y axis. Schematic of the periodic structure consisting of GB nanoribbons along armchair direction (b) and zigzag direction (c). |