通过聚合物模板法和高温煅烧法制备了氧化铈空心微球,并考察了其光催化性能.采用透射电镜(TEM)和扫描电镜(SEM)研究氧化铈空心微球的尺寸和微观形貌,通过傅立叶转换红外线光谱(FTIR),X射线衍射(XRD)和比表面积(BET)表征空心微球、晶型结构、比表面积.结果表明,以粒径为220 nm的聚苯乙烯微球可以制得球径约为220 nm的CeO2空心微球.壳层厚度约为20 nm.在模拟可见光的条件下,氧化铈空心微球对罗丹名B的降解率在3h内可达到95％以上,表现出优异的光催化降解性能.
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