Abstract
ZnO nanoflowers were prepared by the hydrothermal method and studied by X-ray diffraction, Raman spectroscopy, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and photoluminescence. ZnO nanoflowers with star-like morphology were of pure wurtzite phase. The edges of the petals were composed of assemblies of smaller nanocrystallites. Green and orange emissions in photoluminescence were attributed to O vacancies and O interstitials, respectively. Furthermore, ZnO nanoflowers demonstrated the effective photocatalytic activities, and O vacancies and O interstitials were considered to be the active sites of the ZnO photocatalyst.
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This work was supported by the Talent Plan at Anhui University of Technology.
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FAN, J., LI, T. & HENG, H. Hydrothermal growth of ZnO nanoflowers and their photocatalyst application. Bull Mater Sci 39, 19–26 (2016). https://doi.org/10.1007/s12034-015-1145-z
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DOI: https://doi.org/10.1007/s12034-015-1145-z