Fig. 2: Electronic density of states of the optimized systems.
From: Adsorption and DFT investigations of Cr(VI) removal using nanocrystals decorated with graphene oxide

Density of states (DOS) plot for all three systems (i.e., GO, UiO-66-NDC and UiO-66-NDC/GO nanocomposite) after Cr(VI) adsorption.