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采用水热法,以硝酸锌[Zn(NO3)2.6H2O]和氨水(NH3.H2O)为原料制备了三维花状氧化锌纳米材料。采用X射线衍射(XRD)、扫描电镜(SEM)等测试方法研究了样品的成分、形貌和结构。研究结果显示:样品为六方纤锌矿结构的花状ZnO纳米材料。为了评估氧化锌纳米材料的光催化性能,进行了氧化锌纳米材料对有机染料甲基橙的光催化降解实验。实验结果表明,氧化锌纳米结构对甲基橙的光催化降解具有较好的催化作用,催化活性与氧化锌纳米结构的特殊形貌有关系。
Three-dimensional flower-like zinc oxide nanomaterials were prepared by hydrothermal method using zinc nitrate [Zn (NO3) 2.6H2O] and ammonia (NH3.H2O) as raw materials. The composition, morphology and structure of the samples were studied by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results show that the sample is a flower-like ZnO nano-material with hexagonal wurtzite structure. In order to evaluate the photocatalytic activity of zinc oxide nanomaterials, the photocatalytic degradation of organic dye methyl orange by zinc oxide nanomaterials was studied. The experimental results show that zinc oxide nanostructures have a good catalytic effect on the photocatalytic degradation of methyl orange, and the catalytic activity is related to the special morphology of zinc oxide nanostructures.