Abstract
In this work, we report preparing zinc cobalt oxide/zinc oxide nanocomposite via a facial in situ hydrothermal route. The crystal structure of the as-synthesized products was characterized using X-ray diffraction (XRD). The XRD results confirmed the preparation of a ZnCo2O4/ZnO nanocomposite. A field emission scanning electron microscope (FESEM) was used to analyze the morphology of samples. From FESEM images of the nanocomposite, ZnCo2O4 nanoparticles have been decorated on ZnO hexagonal nanoplates. The optical properties of the as-prepared samples were characterized by UV–vis and photoluminescence (PL) techniques. Furthermore, we investigated the photocatalytic performance of the obtained samples for acid orange 7 (AO7) dye. It was found that the ZnCo2O4/ZnO nanocomposite exhibited appreciable photocatalytic performance under visible light irradiation in comparison with ZnCo2O4 and ZnO nanostructures.
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