Figure 1
From: Model dielectric function for 2D semiconductors including substrate screening
(a) Real space electron-hole interaction potentials. The results denoted “2D slab”, “Linear 2D”, “Strict 2D” and “Keldysh” are screened using Eqs 12, 13, 14 and 15, respectively. (b) Schematic representation of the slab geometry and its strict 2D limit.
