Abstract
Reduced graphene oxide-zinc oxide (rGO-ZnO) composite was prepared by one-step method. TGA and FTIR results revealed the reduction of oxygen containing groups of the precursor graphene oxide. SEM images for the composite showed ZnO nanoparticles distributed on the surface as well as between graphene sheets. To understand the role of rGO-ZnO on the removal of a dye pollutant the experiments were carried out using methylene blue (MB) as the model dye. The composite was incorporated at various dosages to MB solutions, which were stored at 25 °C under visible light for 2 h. The effective adsorption capacity of rGO sheets, combined with the photocatalyst properties of ZnO, makes the composite highly efficient for applications in water purification.
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