Multicolor upconversion luminescence from RE3+-Yb3+ (RE = Er, Tm, Tb) codoped LaAlGe2O7 glasses

被引：33
作者：
Ding, Jie [2 ]
Zhang, Qiang [1 ,3 ]
Cheng, Jimeng [1 ]
Liu, Xiaofeng [1 ,3 ]
Lin, Geng [1 ,3 ]
Qiu, Jianrong [4 ]
Chen, Danping [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat Sci & Technol High Power Lasers, Shanghai 201800, Peoples R China
[2] Guangdong Med Coll, Sino Amer Canc Res Inst, Dongguan 523808, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[4] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 495卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Lanthanum aluminum germanate glass; Upconversion luminescence; RE3+-Yb3+; ENERGY-TRANSFER; SPECTROSCOPIC PROPERTIES; EMISSION; GREEN; BLUE;
D O I：
10.1016/j.jallcom.2010.01.123
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
RE3+-Yb3+ (RE = Er, Tm, and Tb) codoped lanthanum aluminum germanate LaAlGe2O7 (LAG) glasses are prepared by melt-quenching method. The blank LAG glass has good transparency in UV/VIS/NIR/MIR range, which makes it suitable for RE ions doping. The doped glasses show strong upconversion (UC) emission under the excitation of a 980 nm laser diode assisted by two or three photons. The UC from Er3+/Yb3+ and Tm3+/Yb3+ codoped LAG glasses show high color purity. The mechanism is also discussed to explain the UC processes. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：205 / 208
页数：4
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