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

页码：205 / 208

页数：4

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