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Optimal Doping Content of Red Emitting Y4GeO8∶Bi3+,Eu3+ Phosphor Designed by Response Surface Methodology
增强出版- 发光学报 Vol. 43, Issue 5, Pages: 633-641(2022)
- 作者机构：
浙江师范大学 物理系, 浙江 金华 321004
- 作者简介：
[ "徐淑君(1997-)，女，安徽池州人，硕士研究生，2020年于安庆师范大学获得学士学位，主要从事稀土离子掺杂荧光粉的制备与发光性能的研究。E-mail: 2838110096@qq.com" ]
[ "郭海(1980-)，男，江西吉水人，博士，教授，博士生导师，2005年于中国科学技术大学获得博士学位，主要从事新型稀土光学功能材料的研究。E-mail: ghh@zjnu.cn" ]
- 基金信息：国家自然科学基金(11974315)
DOI：10.37188/CJL.20220021
CLC： O482.31Published：2022-05，
Received：17 January 2022，
Revised：07 February 2022，
扫 描 看 全 文
Shu-jun XU, Jing CHEN, Li-yuan CHEN, et al. Optimal Doping Content of Red Emitting Y4GeO8∶Bi3+,Eu3+ Phosphor Designed by Response Surface Methodology. [J]. 发光学报 43(5):633-641(2022)
Shu-jun XU, Jing CHEN, Li-yuan CHEN, et al. Optimal Doping Content of Red Emitting Y4GeO8∶Bi3+,Eu3+ Phosphor Designed by Response Surface Methodology. [J]. 发光学报 43(5):633-641(2022) DOI： 10.37188/CJL.20220021.
摘要
使用更直接的方法（效应面优化模型）预测了Y
4
GeO
8
∶Bi
3+
，Eu
3+
样品的最强红光发射。预测最佳样品掺杂的Bi
3+
离子和Eu
3+
离子浓度分别为31.03%和67.36%（摩尔分数）。制备最佳样品后对其光致发光性能进行了测试和表征。荧光粉Y
4
GeO
8
∶31.03%Bi
3+
，67.36%Eu
3+
具有最强的红光发射，并且强度的实验值和理论值之间的差值很小。优化样品的色坐标为（0.645 7，0.349 0），计算出的色纯度为98%，内量子效率高达72.5%。本文提供了一种直接寻找发光最强的荧光粉最佳掺杂浓度的方法，可用于探索各种类型的共掺杂荧光粉。
Abstract
Herein
a more direct method
response surface methodology
is used to predict the strongest red emission of Y
4
GeO
8
∶Bi
3+
Eu
3+
samples. The concentrations of Bi
3+
and Eu
3+
of the optimal sample were predicted to be 31.03% and 67.36%(in mole ratio)
respectively. The optimal sample was prepared and photoluminescent properties were measured and characterized. Y
4
GeO
8
∶31.03%Bi
3+
67.36%Eu
3+
has strongest red emission. The difference between the intensity of experimental value and theoretical value is very small. The color coordinate of the as-prepared sample is (0.645 7
0.349 0)
which is very close to the color coordinate of standard red light (0.670 0
0.330 0). The luminous color of the sample is pure
and the calculated color purity reaches 98%. What’s more
the internal quantum efficiency of the sample is as high as 72.5%. In a word
this paper provides an approach for searching the optimal doping concentration of phosphors with the strongest luminescence directly
which can be used in exploring all types of co-doped phosphors.
关键词
Y4GeO8∶Bi3+Eu3+荧光粉效应面优化模型发光强度
Keywords
Y4GeO8∶Bi3+Eu3+ phosphorsresponse surface methodologyluminescent intensity
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