通过微波辅助法合成粒径均一的CeO2纳米颗粒、纳米立方体和纳米棒.结果表明,通过简单改变微波反应时间可以控制氧化铈形貌的变化.紫外可见光分光光谱测试表明不同形貌的纳米CeO2的紫外吸收能力是不同的,同时Ce0:纳米材料的禁带宽度随着形貌由纳米粒子转变到纳米棒而减小.根据对不同微波反应时间的CeO2纳米晶的尺寸、形貌的观察,以及XRD图谱的计算,提出了一种符合实验结果的CeO2纳米材料的生长机制.
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