采用微波水热法在乙二醇的辅助下,制备出一系列不同形貌的氧化锌(ZnO)纳米/微米颗粒.扫描电子显微镜测试结果表明,乙二醇的加入量对样品的形貌有着非常显著的影响,通过控制乙二醇的加入量,可以得到不规则片状、六方棱柱孪晶、梭子形和球形等形貌的ZnO纳米/微米颗粒.从微波反应器检测压力结果可以看出,乙二醇的加入量对反应体系的压力影响非常显著,这起到了调控纳米晶生长速度的效果进而得到不同形貌的样品.在此基础上,系统测试了样品在氙灯照射下光催化降解罗丹明B的能力,结果表明,乙二醇加入量大于12 mL时的球状样品光催化效率要远高于其他样品,在50 min内能完成对罗丹明B的降解.
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