效应面优化模型获取Y4GeO8∶Bi3+,Eu3+红色荧光粉掺杂浓度

徐淑君; 陈静; 陈礼元; ASHRAF Ghulam-Abbas; 李慧军; 郭海

doi:10.37188/CJL.20220021

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效应面优化模型获取Y₄GeO₈∶Bi³⁺,Eu³⁺红色荧光粉掺杂浓度

封面文章 | 更新时间：2022-05-23

- 效应面优化模型获取Y₄GeO₈∶Bi³⁺,Eu³⁺红色荧光粉掺杂浓度
  增强出版
- Optimal Doping Content of Red Emitting Y₄GeO₈∶Bi³⁺,Eu³⁺ Phosphor Designed by Response Surface Methodology
- Chinese Journal of Luminescence 2022年43卷第5期页码：633-641
- 作者机构：
  
  1.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：
  
  National Natural Science Foundation of China(11974315)
- DOI：10.37188/CJL.20220021
  中图分类号：
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徐淑君, 陈静, 陈礼元, 等. 效应面优化模型获取Y₄GeO₈∶Bi³⁺,Eu³⁺红色荧光粉掺杂浓度[J]. Chinese Journal of Luminescence, 2022,43(5):633-641.

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, 2022,43(5):633-641.
徐淑君, 陈静, 陈礼元, 等. 效应面优化模型获取Y₄GeO₈∶Bi³⁺,Eu³⁺红色荧光粉掺杂浓度[J]. Chinese Journal of Luminescence, 2022,43(5):633-641. DOI： 10.37188/CJL.20220021.

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, 2022,43(5):633-641. 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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