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发光与光信息教育部重点实验室 北京交通大学光电子技术研究所 北京,100044
纸质出版日期:2015-7-3,
收稿日期:2015-3-17,
修回日期:2015-5-10,
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朱凡, 由芳田, 时秋峰等. GdBO<sub>3</sub>:Pr<sup>3+</sup>,Yb<sup>3+</sup>中Pr<sup>3+</sup>到Yb<sup>3+</sup>的能量传递及发光性质[J]. 发光学报, 2015,36(7): 751-756
ZHU Fan, YOU Fang-tian, SHI Qiu-feng etc. Luminescence Properties and Energy Transferfrom Pr<sup>3</sup><sup>+</sup> to Yb<sup>3+</sup>in GdBO<sub>3</sub>:Pr<sup>3+</sup>,Yb<sup>3+</sup>[J]. Chinese Journal of Luminescence, 2015,36(7): 751-756
朱凡, 由芳田, 时秋峰等. GdBO<sub>3</sub>:Pr<sup>3+</sup>,Yb<sup>3+</sup>中Pr<sup>3+</sup>到Yb<sup>3+</sup>的能量传递及发光性质[J]. 发光学报, 2015,36(7): 751-756 DOI: 10.3788/fgxb20153607.0751.
ZHU Fan, YOU Fang-tian, SHI Qiu-feng etc. Luminescence Properties and Energy Transferfrom Pr<sup>3</sup><sup>+</sup> to Yb<sup>3+</sup>in GdBO<sub>3</sub>:Pr<sup>3+</sup>,Yb<sup>3+</sup>[J]. Chinese Journal of Luminescence, 2015,36(7): 751-756 DOI: 10.3788/fgxb20153607.0751.
采用高温固相法制备了一系列单掺或双掺Pr
3+
和Yb
3+
的GdBO
3
材料
分别测试分析了材料的物相结构和发光性质。在446 nm蓝光(Pr
3+
:
3
H
4
3
P
2
)激发下
检测到Yb
3+
的近红外特征发射
表明样品中存在Pr
3+
到Yb
3+
的能量传递。Pr
3+
的掺杂浓度一定时
样品的发光会随着Yb
3+
掺杂浓度的改变而发生变化。通过对比不同掺杂情况下Pr
3+
:
3
P
0
能级的衰减曲线
发现随着Yb
3+
的掺杂浓度的增加
该能级的荧光寿命不断缩短;同时利用不同条件下的衰减特性计算得出不同Yb
3+
掺杂浓度样品的能量传递效率。用Inokuti-Hirayama模型分析表明Pr
3+
-Yb
3+
能量传递类型为偶极子-偶极子相互作用。
GdBO
3
:Pr
3+
and GdBO
3
:Pr
3+
Yb
3+
samples were prepared by solid state reaction at high temperature. XRD patterns
excitation spectra and emission spectra in the Vis-NIR range of the obtained samples were studied in detail at room temperature. The emission of
2
F
5/2
2
F
7/2
(980 nm) of Yb
3+
was observed under 446 nm excitation
indicating the occurrence of the energy transfer from Pr
3+
to Yb
3+
. The fluorescence intensities varied with different Yb
3+
doping concentrations. Luminescence decay curves of Pr
3+
:
3
P
0
level were recorded as a function of the Yb
3+
concentrations and energy transfer efficiency was also calculated. Based on Inokuti-Hirayama model
the energy transfer type from Pr
3+
to Yb
3+
was derived to be electric dipole-dipole interaction.
近红外发光能量传递稀土离子GdBO3
near infraredenergy transferrare earth ionsGdBO3
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