稀土铕离子掺杂钨酸镧钡发光材料的制备及研究  

Preparationand Study of Rare earth Eu^(3+) Doped Lanthanum-Barium Tungstate Luminescent material

作　　者：赵祥峰 李红晶 孙冬雪 贾林艳[2] Zhao Xiangfeng;Li Hongjing;Sun Dongxue;Jia Linyan(College of Physics and Electronic Engineering,Mudanjiang Normal University,Mudanjiang 157000,China;College of Chemistry and Chemical Engineering,Mudanjiang Normal University,Mudanjiang157000,China)

机构地区：[1]牡丹江师范学院物理与电子工程学院,黑龙江牡丹江157000 [2]牡丹江师范学院化学化工学院,黑龙江牡丹江157000

出　　处：《山东化工》2021年第4期17-19,共3页Shandong Chemical Industry

基　　金：牡丹江师范学院科技项目(YB2018002);黑龙江省大学生创新项(201910233012)。

摘　　要：采用高温固相法制备BaLa 2WO 7:Eu^(3+)荧光粉,结果表明:BaLa 2WO 7晶体是属于单斜晶系结构,空间群P21/b,BaLa 2WO 7:Eu^(3+)系列荧光粉可以被394 nm的近紫外光和464 nm可见光有效激发最强发射峰为620 nm的红光,属于Eu^(3+)离子的5D 0→7F 2跃迁,并且当Eu^(3+)的掺杂浓度为9%,焙烧温度为1300℃时荧光粉的发光性能最佳。BaLa 2WO 7:Eu^(3+)phosphors were prepared by high temperature solid-state reaction,the results show that BaLa 2WO 7 crystal belongs to monoclinic structure,space group P21/b,BaLa 2WO 7:Eu^(3+)phosphors can be effectively excited by near ultraviolet light at 394 nm and blue visible light 464 nm respectively.The strongest emission peak at 620 nm correlating to red emission was ascribed to the forced electric dipole transition,5D 0→7F 2 ions.Moreover,when the doping concentration of Eu^(3+)is 9%and calcination temperature is 1300℃,the luminescence performance is the best.

关 键 词：钙酸盐 稀土 发光材料 

分 类 号：TQ422[化学工程] TB383[一般工业技术—材料科学与工程]