Eu/MCM-41介孔复合体系的制备与表征Preparation and Characterization of Eu/MCM-41 Mesoporous Composite Material
吴超,陈文,周静,田高,赵春霞
摘要(Abstract)：
以十六烷基三甲基溴化铵(CTAB)为模板剂,正硅酸乙酯(TEOS)为无机硅源,以及1,3,5 三甲苯(TMB)为加长剂合成了有序介孔分子筛(MCM 41)。选择Eu(DBM)3phen为客体,纳米级介孔分子筛为主体,在氯仿中进行分子组装,制备了具有强发光性能的超分子纳米复合材料Eu(DBM)3phen MCM 41。采用XRD,HRTEM,FTIR和荧光光谱分析等对产物的结构与性能进行了分析。结果表明,在361nm紫外光激发下,Eu配合物在613nm处有较强的荧光,归属于5D0→7F2跃迁峰,且在400～550nm波段有介孔基体的荧光发光。
关键词(KeyWords)： 介孔;复合;光致发光;稀土
基金项目(Foundation): 教育部重点实验室开放基金项目(SYSJJ2003 15)资助
作者(Author): 吴超,陈文,周静,田高,赵春霞
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