香豆素-3-羧酸与1-辛烷磺酸钠共插层LEuH及敏化发光性能  

Co-intercalation of coumarin-3-carboxylic acid and 1-octane sulfonic acid sodium into layered europium hydroxide and sensitized luminescence property

作　　者：马辉[1] 马丽姣[2] 李新新[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）》2016年第4期440-444,共5页Journal of Beijing Normal University(Natural Science)

基　　金：国家自然科学基金资助项目(21271028)

摘　　要：本文采用水热法合成了NO-3型层状铕氢氧化物(NO3-LEuH),通过离子交换法将去质子的香豆素-3-羧酸和1-辛烷磺酸根离子引入前体LEuH的层间,改变香豆素-3-羧酸和1-辛烷磺酸钠的比例得到了一系列发光强度不同的复合体.采用X-射线粉末衍射仪(XRD),红外吸收光谱仪(IR),和荧光分光光度计(PL)等方法研究了其结构及性质,结果表明香豆素-3-羧酸的插入能有效敏化层板Eu3+的红光发射.The NOa-type layered europium hydroxide （NOa-LEuH） was synthesized by hydrothermal method. The organic compounds of coumarin-3-carboxylic acid （C3C） deprotonated by NaOH and 1-octane sulfonic acid sodium （OS） were intercalated into gallery of LEuH via an ion exchange method. Different molar ratios of organic guests （C3C/OS） gave rise to composites with different emission intensity. The as-formed composites were characterized by XRD, FT-IR and PL. PL spectra indicate that organic sensitizer of C3C can markedly enhance red luminescence of layer Eu3＋ ions due to efficient energy transfer between C3C and Eu3＋ ions.

关 键 词：NO3-LEuH 香豆素-3-羧酸 1-辛烷磺酸钠 LEuH复合体 敏化发光 

分 类 号：O69[理学—化学]