Adsorptive removal of Drimarene Brilliant Blue by thermo stable and eco-friendly graphene oxide reinforced polyvinyl alcohol hydrogels with high reusability potential

Features of structure and optical properties GO and a GO/PVA composite subjected to gamma irradiation

“…In this spectrum, the peak at 1717 cm −1 signifies CO stretching of carboxyl groups. 36,37 The films also exhibit CH/CH 2 deformation vibrations around 1323 cm −1 . 38 The band at 1083 cm −1 is assigned to the C–O stretching vibrations of C–O–C.…”