Abstract

• Graphene oxide (GO) and reduced graphene oxide (rGO) were successfully synthesized by modified Hummer’s method and chemical reduction method. The essential parameters including oxidation and reduction process were confirmed by both visualization and by using characterization tools. Ultraviolet-visible(UV-vis), Fourier transform infrared (FT-IR) and X-ray diffraction (XRD) were conducted for the formation of targeted product, compound identification and crystal structures of synthesized materials. It was found out that the chemical reduction method could successfully reduce GO to rGO without using high energy consumption. Finally, this method results in high reduction degree of GO and large amount of rGO.