Strong red emission in Pr doped (Bi0.5Na0.5)TiO3 ferroelectric ceramics

被引：101
|
作者：
Sun, Haiqin [1 ]
Peng, Dengfeng [1 ]
Wang, Xusheng [1 ]
Tang, Mianmian [1 ]
Zhang, Qiwei [1 ]
Yao, Xi [1 ]
机构：
[1] Tongji Univ, Funct Mat Res Lab, Shanghai 200092, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2011年 / 110卷 / 01期
关键词：
LUMINESCENCE; PHOTOLUMINESCENCE; PHOSPHORS; ENERGY; STATE;
D O I：
10.1063/1.3606425
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The photoluminescence of Pr doped (Bi0.5Na0.5)TiO3 ferroelectric ceramics prepared by conventional solid-state reaction were investigated. A bright red emission is observed at room temperature, which ascribed to D-1(2) -> H-3(4) transition. The excitation bands are mainly located at 440 similar to 505 nm, which is adaptable to the emission band of commercial blue light-emitting diodes (LEDs) chips. The optimal emission intensity was also obtained when Pr doping level was 0.003 mol. Meanwhile, the enhanced ferroelectric properties were obtained by Pr doping. The results show that Pr doped (Bi0.5Na0.5)TiO3 ceramics as a multifunctional material may be useful for white LEDs, sensor, and optical-electro integration. (C) 2011 American Institute of Physics. [doi:10.1063/1.3606425]
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页数：3
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