Mixture Morphology of the ZnO Catalyst Synthesized by a Hydrothermal Method for an Outstanding Photocatalytic Decolourization on Organic Dyes

The special mixture morphology of the spherical and rod like the ZnO catalyst was successfully synthesized by a simple approach hydrothermal method. As the synthesized catalyst carried out by different conditions such as the ZnO dried, 250 °C and 500 °C calcination. Here, to investigated the calcination temperacture effect on crystal structure, phase, morphology and photocatalytic dye degraration with various dyes an including methylene blue (MB), methyl orange (MO), congo red (CR), and rhodamine b (RhB) under the direct Sunlight, was examined as manufactured ZnO catalysts. According to the results, all temperature conditions the ZnO have same crystal structure, phase, morphology and different performnce of the photocatalytic degradation with various dyes. Among these, the dried ZnO catalyst shown outstanding decolorization of the MB, MO, CR, and RhB dyes within 45 min followed by order percentages is about 100%, 93.89%, 98.18% and 96.98% respectively.