镧掺杂的介孔分子筛的合成及其光学性能研究

被引:5
作者
徐玲
张力
关利国
马灿良
刘宗瑞
机构
[1] 内蒙古民族大学化学化工学院
关键词
MCM-41介孔材料; 掺杂; 稀土元素La; 透射电镜; X射线衍射; 红外光谱;
D O I
暂无
中图分类号
O643.36 [催化剂];
学科分类号
摘要
以十六烷基三甲基溴化铵(CTAB)为表面活性剂,正硅酸乙酯(TEOS)为硅源,采用水热晶化法,合成了镧掺杂的MCM-41介孔分子筛。通过X射线衍射(XRD)、傅里叶变换红外(FTIR)光谱、透射电镜(TEM)、紫外-可见(UV-Vis)光谱等测试手段对其孔结构和镧原子的存在状态进行了表征。XRD和TEM结果表明,合成样品具有典型的二维六方有序介孔结构,样品的傅里叶变换红外光谱和紫外-可见光谱表明镧被成功的引入到介孔骨架中。
引用
收藏
页码:994 / 996
页数:3
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