有机/LRH复合体的合成及荧光性质研究  

SYNTHESIS AND FLUORESCENCE PROPERTY OF INTERCALATION COMPOSITES OF PHENYLALANINE/LRH

作　　者：李新新[1] 楚楠凯[2] 孙亚红[2] 王娟[2] 马辉[1] 马淑兰[2] 

机构地区：[1]北京师范大学分析测试中心,北京100875 [2]北京师范大学化学学院,北京100875

出　　处：《北京师范大学学报（自然科学版）》2011年第5期482-484,共3页Journal of Beijing Normal University(Natural Science)

基　　金：国家自然科学基金资助项目(20871018)

摘　　要：通过均匀沉淀法制备了硝酸根型层状铕氢氧化物(NO3--LEuH),采用离子交换法将层间阴离子NO3-交换为苯丙氨酸(PHE),得到了PHE/LRH复合体,并研究了其荧光性质.前躯体和复合体均有Eu3+的5 D0-7FJ跃迁发射峰,在室温下发射出Eu3+的特征红光,发射光谱峰位基本一致,但与NO3--LEuH相比,PHE/LRH复合体的发射峰强度大大减弱,表明将PHE引入LEuH层间对Eu3+的荧光有猝灭作用.Synthesis of a new series of layered hydroxides through homogeneous precipitation was reported.NO-_3 was exchanged with phenlylalanine（PHE） at ambient temperature,forming PHE/LRH composites.Photolumine-scence studies showed that both NO_3-LEuH precursor and composite PHE/LEuH displayed typical Eu3＋emission.Compared with NO_3-LEuH precursor,fluorescence intensity of PHE/LRH composites was drastically decreased suggesting that incorporation of phenlylalanine and layer quenched sharply Eu3＋ luminescence.

关 键 词：苯丙氨酸/LRH复合体 离子交换法 荧光猝灭 

分 类 号：O614.33[理学—无机化学]