PEG对燃烧合成CaAl_2O_4:Eu^(2+),Nd^(3+)长余辉发光材料的影响  

Effects of PEG on the Properties of Long Afterglow Phosphor CaAl_2O_4: Eu^(2+),Nd^(3+) Prepared by Combustion Synthesis

作　　者：刘晓霞[1] 覃海连[2] 彭桂花[2] 梁振华[2] 

机构地区：[1]江汉大学文理学院,湖北武汉430056 [2]广西师范大学化学化工学院,广西桂林541004

出　　处：《化学与生物工程》2012年第3期40-42,共3页Chemistry & Bioengineering

基　　金：武汉市教育局市属高校科研课题(2010152)

摘　　要：采用燃烧法合成了CaAl2O4:Eu2+,Nd3+长余辉发光材料,研究了PEG(聚乙二醇)对其发光性能的影响。采用X-射线衍射(XRD)、荧光光谱对发光材料进行了表征。结果表明,燃烧产物主晶相为单斜晶系的CaAl2O4;PEG的添加有效提高了CaAl2O4:Eu2+,Nd3+长余辉发光材料的初始亮度,但余辉时间没有得到延长。The long afterglow phosphor CaAIz O4 EU2＋, Nd3＋ was preparea Dy comousuon synthesis,and the influence of PEG on its luminescent properties was studied. The samples were characterized by X-ray diffraction （XRD） and fluorescence spectroscopy. The results showed that the main phase of the combustion prod- uct was CaA1204 with monoclinic crystal structure. The addition of PEG increased the initial brightness of long afterglow phosphar CaAl2O4 ：Eu2＋ ,Nd3＋ ,but didnrt prolong its afterglow time.

关 键 词：长余辉 PEG 燃烧合成 CaAl2O4 

分 类 号：O482.31[理学—固体物理]