CaSnO3:Eu3+荧光粉的制备及其发光性能研究

被引:4
|
作者
陈洁
柴飞
张汉焱
周涛
机构
[1] 汕头大学物理系
关键词
CaSnO3E∶u3+; 光致发光; 固相反应法;
D O I
暂无
中图分类号
TQ422 [光化学物质];
学科分类号
摘要
利用高温固相反应法制备CaSnO3:Eu3+发光体,采用X射线衍射(XRD)技术和荧光光谱等测试手段对样品进行研究.结果表明:Eu3+离子的掺杂未改变CaSnO3的晶体结构;Ca1-xEuxSnO3样品的发射以电偶极跃迁5D0-7F2为主,在紫外光照射下产生强的红光发射;Ca1-xEuxSnO3样品在240~340 nm范围内存在Eu3+-O2-电荷迁移吸收带,随着Eu3+掺杂浓度x的增加,吸收带峰位从276 nm红移到281 nm附近.
引用
收藏
页码:32 / 34+49 +49
页数:4
相关论文
共 5 条
  • [1] Synthesis and luminescent properties of a new green afterglowphosphor CaSnO3:Tb. Liu Zhengwei,Liu Yingliang,et al. Journal of Materials Chemistry . 2005
  • [2] Characterization of BaSnO3-based ceramics:Part 1.Synthesis,processingand microstructural development. Azad A M,Hon N C. Journal of Alloys and Compounds . 1998
  • [3] Synthesis,processing and microstructural characterization of CaSnO3and SrSnO3 ceramics. Azad A M,,Shyan L L W,et al. Journal of Alloys and Compounds . 1999
  • [4] Sol-gel derived nano-crystalline CaSnO3 as highcapacity anode material for Li-ion batteries. Sharma N,Shaju K M,Subba-Rao G V,et al. Electrochemistry . 2002
  • [5] Preparation and luminescence properties of Eu3+-doped MSnO3(M=Ca,Sr and Ba)perovskite materials. Lu Zhouguang,Chen Limiao,Tang Yougen,et al. Journal of Alloys and Compounds . 2005