Figure 7
From: A facile synthesis of porous graphene for efficient water and wastewater treatment
Structural evolution and elemental mapping of PG. (A) XRD, and (B) FTIR of PG before and after adsorption of dye and also after regeneration. (C) SEM image of PG after adsorption. (D–F) Elemental mapping (C - red; O – blue; Ar- green).
