Synthesis of mono-phase La2Si6O3N8:Ce3+,Tb3+ blue-green phosphors with direct silicon nitridation and their photoluminescence properties

被引：12
作者：
Zhang, Bi [1 ]
Zhong, Hao [1 ]
Cai, Chao [1 ]
Hao, Lu-Yuan [1 ]
Xu, Xin [1 ]
Agathopoulos, Simeon [2 ]
Yin, Liang-Jun [3 ]
机构：
[1] Univ Sci & Technol China, Dept Mat Sci & Engn, Chinese Acad Sci, Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China
[2] Univ Ioannina, Dept Mat Sci & Engn, GR-45110 Ioannina, Greece
[3] Univ Elect Sci & Technol China, Sch Energy Sci & Engn, Chengdu 610054, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2015年 / 72卷
基金：
中国国家自然科学基金;
关键词：
Optical materials; Chemical synthesis; Luminescence; Thermogravimetric analysis; X-ray diffraction; ENERGY-TRANSFER; LUMINESCENCE PROPERTIES; WHITE-LIGHT; TUNABLE LUMINESCENCE; SYSTEM;
D O I：
10.1016/j.materresbull.2015.07.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mono-phase La2Si6O3N8:Ce3+ phosphors co-doped with Tb3+ were produced via a direct silicon nitridation (DSN) method at 1500 degrees C. The produced phosphors were characterized with regards to their crystalline structure, microstructure, photoluminescence properties, and lifetime. The decay mode of Ce3+ suggests that energy transfer occurs in La2Si6O3N8:Ce3+,Tb3+ phosphors. Intense green emission was recorded from La1.4Si6O3N8:0.2Ce(3+),0.4Tb(3+) and qualifies these phosphors for further consideration as promising candidates for ultraviolet convertible phosphors in light-emitting devices. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：83 / 89
页数：7
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