共 8 条
Absolute location of lanthanide energy levels and the performance of phosphors
被引:79
作者:
Dorenbos, Pieter
[1
]
机构:
[1] Delft Univ Technol, Fac Sci Appl, NL-2629 JB Delft, Netherlands
关键词:
lanthanides;
luminescence;
charge trapping;
valence stability;
persistent luminescence;
D O I:
10.1016/j.jlumin.2006.01.155
中图分类号:
O43 [光学];
学科分类号:
070207 ;
0803 ;
摘要:
Methods to construct the absolute position of the energy levels of divalent and trivalent lanthanides with respect to the valence band and conduction band of a host compound are available and can be applied to many different compounds. With the diagrams of lanthanide levels in SrAl2O4, LiYSiO4, and CaGa2S4 it will be demonstrated how they can be used to understand phosphor performance. The quenching of Ce-3 divided by and Eu2+ 5d-4f luminescence, the electron and hole trapping ability of the lanthanides, and the valence stability of lanthanide ions are discussed. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:315 / 317
页数:3
相关论文