Multicolor Up-Conversion Luminescence in Rare-Earth Doped NaLaF4

被引：6
|
作者：
Grube, J. [1 ]
Doke, G. [1 ]
Voss, M. [1 ]
Sarakovskis, A. [1 ]
Springis, M. [1 ]
机构：
[1] Univ Latvia, Inst Solid State Phys, Riga, Latvia
来源：
ANNUAL CONFERENCE ON FUNCTIONAL MATERIALS AND NANOTECHNOLOGIES - FM&NT 2011 | 2011年 / 23卷
关键词：
GREEN; IONS;
D O I：
10.1088/1757-899X/23/1/012004
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this work we tried to achieve multicolor up-conversion luminescence in low phonon energy material NaLaF4 doped with different Er3+, Tm3+ and Yb3+ concentrations. Up-conversion luminescence was measured and main luminescence bands from Er3+ and Tm3+ in red, green and blue spectral regions were observed. The relative intensities of the luminescence bands could be changed by changing the doping levels of rare-earth ions. Changes in the up-conversion luminescence color could be achieved by applying different infrared pump power density. The color coordinates of the multicolor up-conversion luminescence depending on doping level as well as on the pump power density were presented in CIE (x, y) chromaticity diagram (1931).
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页数：4
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