Figure 4
From: Spatial Electron-hole Separation in a One Dimensional Hybrid Organic–Inorganic Lead Iodide

Band structure diagrams, using (a) PBEsol, (b) PBEsol + SOC, (c) HSE06 and (d) PBE0; valence band marked in blue, conduction band marked in orange, Energy = 0 eV is set to valence band maximum.