以醋酸锌和六次甲基四胺为起始原料,表面活性剂CTAB和SDS为形貌控制剂,采用微波法合成了联柱状ZnO微晶,借助XRD、XPS、FT-IR、FT-Ra-man、TEM、SEM和UV-vis等测试技术对其进行了表征,并以甲基橙为模型污染物考察了样品的光催化活性.结果表明,所得样品均为六方纤锌矿ZnO;同时添加两种表面活性剂CTAB和SDS时所获样品形貌最佳,为六棱柱对接而成的联柱状结构,其在200～420nm波长范围内对光有较强吸收,对卷烟厂蒸叶车间废水的光降解表现出较高的催化活性,自然光照5h,废水COD去除率为84.7%;另外,对联柱状ZnO微晶的形成机理进行了初步探讨.
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