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1. 吉林大学物理学院 相干光与原子分子光谱教育部重点实验室, 新型电池物理与技术教育部重点实验室, 吉林 长春 130012
2. 美国南佐治亚大学 物理系, 佐治亚州 斯泰茨伯勒
[ "刘国锋(1990-),男,山东潍坊人,博士研究生,2014年于山东师范大学获得学士学位,主要从事稀土发光材料方面的研究。E-mail:gfliu14@163.com" ]
[ "付作岭(1979-),女,内蒙古赤峰人,博士,教授,2007年于中国科学院长春应用化学研究所获得博士学位,主要从事稀土发光材料方面的研究。E-mail:zlfu@jlu.edu.cn" ]
纸质出版日期:2017-2-5,
收稿日期:2016-11-9,
修回日期:2016-12-20,
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刘国锋, 付作岭,. 上转换纳米粒子CaF<sub>2</sub>:Er<sup>3+</sup>,Yb<sup>3+</sup>的合成及其温敏特性[J]. 发光学报, 2017,38(2): 133-138
LIU Guo-feng, FU Zuo-ling,. Synthesis and Temperature Sensing of CaF<sub>2</sub>: Er<sup>3+</sup>,Yb<sup>3+</sup> Nanoparticles with Upconversion Fluorescence[J]. Chinese Journal of Luminescence, 2017,38(2): 133-138
刘国锋, 付作岭,. 上转换纳米粒子CaF<sub>2</sub>:Er<sup>3+</sup>,Yb<sup>3+</sup>的合成及其温敏特性[J]. 发光学报, 2017,38(2): 133-138 DOI: 10.3788/fgxb20173802.0133.
LIU Guo-feng, FU Zuo-ling,. Synthesis and Temperature Sensing of CaF<sub>2</sub>: Er<sup>3+</sup>,Yb<sup>3+</sup> Nanoparticles with Upconversion Fluorescence[J]. Chinese Journal of Luminescence, 2017,38(2): 133-138 DOI: 10.3788/fgxb20173802.0133.
采用水热合成法制备了CaF
2
:Yb
3+
,Er
3+
上转换纳米粒子。在980 nm激发下,研究了来源于Er
3+
的
2
H
11/2
/
4
S
3/2
4
I
15/2
跃迁的绿光发射和来源于
4
F
9/2
4
I
15/2
跃迁的红光发射。由于Er
3+
具有一对热耦合能级(
2
H
11/2
/
4
S
3/2
),所合成的样品在293~573 K温度范围内有良好的温敏特性。利用荧光强度比(FIR)技术,测得样品在483 K时具有最大灵敏度0.002 85 K
-1
。
CaF
2
:Yb
3+
Er
3+
upconversion nanoparticles (UCNPs) were synthesized by hydrothermal method. The green and red light from
2
H
11/2
/
4
S
3/2
4
I
15/2
and
4
F
9/2
4
I
15/2
of Er
3+
were investigated in detail by using the power depended luminescence intensity under 980 nm excitation. Afterwards
the as-obtained sample was proved that it had good temperature sensing property in the range of 293-573 K based on thermal coupled levels (TCLs) of Er
3+
(
2
H
11/2
/
4
S
3/2
)
simultaneously the maximum sensitivity of sample was obtained at 483 K (0.002 85 K
-1
) by utilizing fluorescence intensity ratio (FIR) technique. All the experiment data indicate that the sample has great luminescence property and excellent potential in temperature sensing.
稀土离子温度传感上转换发光
rare earth ionstemperature sensingupconversion luminescence
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