纳米二苯甲酰甲烷铕配合物的制备和表征  

Preparation and characteristic of nano-structured europium(Ⅲ)-dibenzoyl methane complex

作　　者：邓长莉[1] 吕敬慈[1] 徐引娟[1] 

机构地区：[1]上海大学化学系,上海200436

出　　处：《化学研究与应用》2004年第1期40-42,共3页Chemical Research and Application

摘　　要：以聚乙烯吡咯烷酮为表面活性剂,在无水乙醇中制备了纳米二苯甲酰甲烷铕配合物Eu(DBM)3,对其进行了红外光谱(IR)、透射电镜(TEM)、X 射线衍射(XRD)、荧光光谱(FS)等表征。结果表明,配合物在聚乙烯吡咯烷酮中呈纳米颗粒分散,分散尺度在5～30nm之间,与普通二苯甲酰甲烷铕配合物相比,其主要荧光发射峰强度较高;后者在675 6、702 6、719 3、740 5nm处的小峰消失,612 9nm峰红移至611 8nm。Nano-sized europium(Ⅲ)-dibenzoyl methane complex was prepared in ethyl alcohol absolute with polyvinylpyrrolidone as surfactant,and it was charactered by IR,TEM,XRD and FS.The results show that the nanopartices of the complex are dispersed in polyvinylpyrrolidone,and the size of the particle is 5-30nm.The fluorescence spectrum of nano-sized Eu(DBM)_3 complex is obviously different from that of common Eu(DBM)_3 complex in location,intensity and half-hight width.

关 键 词：纳米二苯甲酰甲烷铕配合物 制备 表征 红外光谱 透射电镜 X-射线衍射 荧光光谱 聚乙烯吡咯烷酮 

分 类 号：O614.338[理学—无机化学] TB383[理学—化学]