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1.哈尔滨工程大学 物理与光电工程学院, 黑龙江 哈尔滨 150001
2.滨州学院 航空工程学院, 山东 滨州 256603
3.哈尔滨师范大学 光电带隙材料教育部重点实验室, 黑龙江 哈尔滨 150025
Published:05 April 2023,
Received:25 October 2022,
Revised:11 November 2022,
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尹学爱,吕树臣.Sr0.3Ca0.7MoO4∶Tb3+, Eu3+荧光粉的颜色可调发光和温度传感特性[J].发光学报,2023,44(04):607-614.
YIN Xueai,LYU Shuchen.Color-tunable Luminescence and Temperature Sensing Behavior of Sr0.3Ca0.7MoO4∶Tb3+, Eu3+ Phosphor[J].Chinese Journal of Luminescence,2023,44(04):607-614.
尹学爱,吕树臣.Sr0.3Ca0.7MoO4∶Tb3+, Eu3+荧光粉的颜色可调发光和温度传感特性[J].发光学报,2023,44(04):607-614. DOI: 10.37188/CJL.20220376.
YIN Xueai,LYU Shuchen.Color-tunable Luminescence and Temperature Sensing Behavior of Sr0.3Ca0.7MoO4∶Tb3+, Eu3+ Phosphor[J].Chinese Journal of Luminescence,2023,44(04):607-614. DOI: 10.37188/CJL.20220376.
采用共沉淀法合成了一系列颜色可调的单掺和共掺Sr
0.3
Ca
0.7
(MoO
4
)
2
∶Tb
3+
,Eu
3+
荧光粉。用X射线衍射和扫描电镜对荧光粉的晶体结构和形貌进行了表征。结果表明,Tb
3+
和Eu
3+
的少量掺入无杂峰产生,对样品的晶体结构几乎没有影响。研究了样品的发光特性和温度传感特性。在样品的发光特性中,证实了Sr
0.3
Ca
0.7
⁃(MoO
4
)
2
荧光粉中Tb
3+
向Eu
3+
的能量传递。同时,通过温度依赖性发射光谱,证明所制备的Sr
0.3
Ca
0.7
(MoO
4
)
2
∶Tb
3+
,Eu
3+
荧光粉具有较好的热稳定性。计算了样品的绝对灵敏度和相对灵敏度,Sr
0.3
Ca
0.625
(MoO
4
)
2
∶0.05Tb
3+
,0.025Eu
3+
样品的相对灵敏度在514 K时最大值为0.861%·K
-1
。此外,在紫外光激发下,通过调节Eu
3+
的掺杂浓度,Sr
0.3
Ca
0.7
(MoO
4
)
2
∶Tb
3+
,Eu
3+
荧光粉的发光颜色可调谐。
A series of Tb
3+
/Eu
3+
single-doped, co-doped Ca
0.3
Sr
0.7
(MoO
4
)
2
phosphors with a tunable color were synthesized by the conventional co-precipitation method. The crystal structure and morphology of phosphors were characterized by X-ray diffraction and field emission scanning electron microscopy. The results showed that a small amount of Tb
3+
and Eu
3+
doped into the sample has no effect on the crystal structure of the sample, and there are no impurity peaks. We researched the luminescence properties and temperature sensing properties. The energy transfer from Tb
3+
to Eu
3+
in Sr
0.3
Ca
0.7
(MoO
4
)
2
∶Tb
3+
,Eu
3+
phosphors was confirmed in the luminescence characteristics of the samples. The temperature-dependent emission spectra suggested that the as-prepared samples possessed good thermal stability. The absolute sensitivity and relative sensitivity of samples were calculated, and the maximum relativity sensitivity of Sr
0.3
Ca
0.625
(MoO
4
)
2
∶0.05Tb
3+
,0.025 Eu
3+
sample was 0.861%·K
-1
at 514 K. In addition, under near-ultraviolet light by adjusting the doping concentration of Eu
3+
, the Sr
0.3
Ca
0.7
(MoO
4
)
2
∶Tb
3+
,Eu
3+
phosphors realized tunability of emission color.
荧光特性能量传递荧光粉光学温度传感
photoluminescence propertiesenergy transferphosphorsoptical temperature sensing
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