A facile synthesis of hydroxyl functionalized graphene oxide as an electrode material for energy storage devices

Abstract In this case, a facile synthesis of alcohol functionalized graphene oxide (GO) material has been made using water soluble, non-toxic, biocompatible tris buffer (TB) and diethenolamine (DEA). This functional material was characterized by various techniques such as, XRD, TEM, XPS, Raman, TGA and Cyclic voltametry (CV). The molecular level grafting of amines to graphene has been occurred due to the functionalization of alcohol by the enlargement of interlayer spacing and specific surface area. The synthesized material shows high specific capacitance value of 372 and 252 F g−1 at a current density of 1 A g−1 in 6% KOH solution.