水热法制备高比表面积的多层笼状纳米氧化锌

Preparation of multiple cage-like ZnO nanopowder with high specific surface area via a large-scale hydrothermal method

采用水热法制备出具有高比表面积的多层笼状结构纳米ZnO。通过XRD、SEM、EDS、TG-DTA、N2吸附等方法对产物的结构、组成、及形貌进行了表征,初步探讨了葡萄糖与Zn2+投料比R对最终产物的形貌、比表面积、孔径及孔径分布的影响。由于该方法具有工艺简单、绿色环保,无需引入表面活性剂的优点,便于大规模生产。

Multiple cage-like zinc oxides were prepared via a facile hydrothermal method. The as-synthesized materials were characterized by means of XRD, TG-DTA, SEM, EDS spectroscopy, and N2 adsorption. The results indicated that the molar ratio of glucose to zinc cation had a significant effect on the morphology, surface area, pore size and distribution. This method was attractive for its merits such as simplicity, commercial feasibility, environmentally benign, surfactant-free, and good potential for scale-up.