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中国科学院 长春光学精密机械与物理研究所,吉林 长春,中国,130033
收稿日期:2013-02-28,
修回日期:2013-04-01,
网络出版日期:2013-03-22,
纸质出版日期:2013-05-10
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张继森, 张立国, 任建岳, 段配华, 骆永石, 吕少哲. Yb<sup>3+</sup>和Er<sup>3+</sup>共掺杂的Y<sub>2</sub>O<sub>3</sub>,Y<sub>2</sub>O<sub>2</sub>S 和NaYS<sub>2</sub>粉末材料的上转换发光[J]. 发光学报, 2013,34(5): 542-546
ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue, DUAN Pei-hua, LUO Yong-shi, L&#220; Shao-zhe. Upconversion Emission Properties in Yb<sup>3+</sup>-Er<sup>3+</sup> Co-doped Y<sub>2</sub>O<sub>3</sub>, Y<sub>2</sub>O<sub>2</sub>S and NaYS<sub>2</sub> Powder Materials[J]. Chinese Journal of Luminescence, 2013,34(5): 542-546
张继森, 张立国, 任建岳, 段配华, 骆永石, 吕少哲. Yb<sup>3+</sup>和Er<sup>3+</sup>共掺杂的Y<sub>2</sub>O<sub>3</sub>,Y<sub>2</sub>O<sub>2</sub>S 和NaYS<sub>2</sub>粉末材料的上转换发光[J]. 发光学报, 2013,34(5): 542-546 DOI: 10.3788/fgxb20133405.0542.
ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue, DUAN Pei-hua, LUO Yong-shi, L&#220; Shao-zhe. Upconversion Emission Properties in Yb<sup>3+</sup>-Er<sup>3+</sup> Co-doped Y<sub>2</sub>O<sub>3</sub>, Y<sub>2</sub>O<sub>2</sub>S and NaYS<sub>2</sub> Powder Materials[J]. Chinese Journal of Luminescence, 2013,34(5): 542-546 DOI: 10.3788/fgxb20133405.0542.
在980 nm LED激光器激发下
研究了 Yb
3+
-Er
3+
共掺杂的Y
2
O
3
Y
2
O
2
S和NaYS
2
粉末材料的上转换发射特性。比较了Y
2
O
3
:0.20 Yb
3+
0.03Er
3+
和Y
2
O
2
S:0.20 Yb
3+
0.03Er
3+
以及NaYS
2
:0.20 Yb
3+
0.03Er
3+
粉末样品的上转换发光光谱
探讨了Er
3+
上转换发射对基质的依赖性
分析了S
2-
-Yb
3+
和S
2-
-Er
3+
电荷转移态对Yb
3+
-Er
3+
间能量传递和能级间跃迁几率的影响
借助于能级图解释了在不同基质中Yb
3+
-Er
3+
间的能量传递和Er
3+
的上转换发光机制。
Y
2
O
3
:0.20Yb
3+
0.03Er
3+
and Y
2
O
2
S: 0.20Yb
3+
0.03Er
3+
and NaYS
2
:0.20Yb
3+
0.03Er
3+
powder samples were synthesized with solid-state and solution reacting methods
respectively. The upconversion (UC) emission properties under a continuous-wave semiconductor laser diode excitation at 980 nm were studied. The relationship between UC emission features and the hosts was explored. Effects of the S
2-
-Yb
3+
and S
2-
-Er
3+
charge transfer state (CTS) on the transfer-energy rate from Yb
3+
to Er
3+
and the transition rate between the Er
3+
levels were analyzed in details. Furthermore
the energy-transfer processes between Yb
3+
and Er
3+
based on the energy matching conditions and the UC emission mechanism were discussed with schematic energy-level schemes.
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