以硝酸锌、脲素及酒石酸为反应物,采用水热法制备碱式碳酸锌前驱体微球,通过煅烧前驱体制备了介孔氧化锌微球.通过扫描电子显微镜(SEM)可以观察到,氧化锌微球的直径约为2～4 μm,由大量厚度约为10 nm的介孔纳米片组装而成.X射线衍射(XRD)和透射电镜(TEM)结果表明:ZnO微球为六方纤锌矿结构,结晶较好.比表面积测试(BET)表明ZnO微球为介孔材料,孔径为20～50 nm,ZnO微球比表面积约为29.8 m2/g.以亚甲基蓝为目标降解物,对介孔氧化锌微球进行了光催化降解实验.实验结果表明,所合成的介孔ZnO微球对亚甲基蓝的光催化性能较好.
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