Effects of Bi3+ co-doping on luminescence of YPO4:Dy3+ powders

被引：25
作者：
Cao, Yanyan [1 ]
Liu, Yanxia [1 ]
Feng, Hao [2 ]
Yang, Yang [1 ]
机构：
[1] Hebei North Univ, Coll Informat Sci & Engn, Zhangjiakou 075000, Peoples R China
[2] Hebei North Univ, Coll Sci, Dept Phys, Zhangjiakou 075000, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2014年 / 40卷 / 09期
关键词：
YPO4:(Dy-3+; Dy-; Bi3+); Powders; Luminescence; PHOTOLUMINESCENCE PROPERTIES; NANOCRYSTALS; PHOSPHORS; CRYSTAL; GROWTH; EU; LN;
D O I：
10.1016/j.ceramint.2014.06.127
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
YPO4:Dy3+ powders co-doped with Bi3+ ions were synthesized successfully by solid state reaction. XRD and IR results show that all samples are well crystallized to a pure tetragonal YPO4. The EDX spectra suggest that Dy3+ and Bi3+ ions co-doped in the YPO4 host materials successfully. The emission spectra of synthesized samples show two emission bands originated from the F-4(9/2) -> H-6(15/2) and F-4(9/2) -> H-6(13/2) transitions of Dy3+ ions. The co-doped Bi3+ ions can improve the luminescence intensities of YPO4:Dy3+ phosphors effectively. The highest emission intensity is obtained when the co-doped concentration of Bi3+ ions reaches a value of 3 mol%. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：15319 / 15323
页数：5
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