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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,130033
纸质出版日期:2012-5-10,
网络出版日期:2012-5-10,
收稿日期:2012-3-2,
修回日期:2012-3-29,
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张继森, 张立国, 任建岳, 段佩华, 吕少哲. Yb<sup>3+</sup>和Er<sup>3+</sup>共掺杂的CaF<sub>2</sub>纳米晶近紫外上转换发光[J]. 发光学报, 2012,(5): 470-475
ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue, DUAN Pei-hua, LV Shao-zhe. Near-ultraviolet Upconversion Luminescence in CaF<sub>2</sub>∶Yb<sup>3+</sup>,Er<sup>3+</sup> Nanocrystals[J]. Chinese Journal of Luminescence, 2012,(5): 470-475
张继森, 张立国, 任建岳, 段佩华, 吕少哲. Yb<sup>3+</sup>和Er<sup>3+</sup>共掺杂的CaF<sub>2</sub>纳米晶近紫外上转换发光[J]. 发光学报, 2012,(5): 470-475 DOI: 10.3788/fgxb20123305.0470.
ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue, DUAN Pei-hua, LV Shao-zhe. Near-ultraviolet Upconversion Luminescence in CaF<sub>2</sub>∶Yb<sup>3+</sup>,Er<sup>3+</sup> Nanocrystals[J]. Chinese Journal of Luminescence, 2012,(5): 470-475 DOI: 10.3788/fgxb20123305.0470.
研究了Er
3+
和Yb
3+
共掺杂的CaF
2
纳米材料的制备及其紫外上转换发光性质。在980 nm二极管激光器激发下
该材料可发出相对较强的紫外和绿色双色上转换发光。研究了敏化离子Yb
3+
以及发光中心离子Er
3+
掺杂量对该材料紫外上转换发光相对强度的影响
并进一步对该材料紫外上转换发光增强的可能机制进行了探讨。
Near-infrared (NIR) to near-ultraviolet (NUV) upconversion (UP) luminescence properties were explored under 980 nm laser diode (LD) excitation in Yb
3+
Er
3+
codoped calcium fluoride (CaF
2
∶Yb
3+
Er
3+
) nanoparticles. The strong enhancement at 407 nm was observed. The results show that the UV enhancement is independent on both the Er
3+
concentration and the excited power
while dependent on the annealed time and the particle size. The UP mechanical and thermodynamics process were also discussed.
稀土纳米晶近红外近紫外上转换发光
rare earthnanoparticlesnear infrarednear vultravioletupconversion emission
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