Sr3ZnNb2O9∶0.3Eu3+, xNa+荧光粉的合成和发光性能研究

人工晶体学报 ›› 2023, Vol. 52 ›› Issue (1): 132-138.

Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺荧光粉的合成和发光性能研究

崔瑞瑞¹, 赵荣力¹, 袁高峰¹, 凌易², 邓朝勇¹, 龚新勇¹

1.贵州大学大数据与信息工程学院,贵州省电子功能复合材料特色重点实验室,贵阳 550025;
2.贵州大学物理学院,贵阳 550025

收稿日期:2022-10-20 出版日期:2023-01-15 发布日期:2023-02-15
通信作者: 龚新勇,博士,副教授。E-mail:gongxy@gzu.edu.cn
作者简介:崔瑞瑞(1986—),女,河南省人,博士,副教授。E-mail:rrcui@gzu.edu.cn
基金资助:
贵州省科技计划(黔科合基础-ZK[2021]一般328)

Preparation and Luminescence Performance of Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺ Phosphors

CUI Ruirui¹, ZHAO Rongli¹, YUAN Gaofeng¹, LING Yi², DENG Chaoyong¹, GONG Xinyong¹

1. Key Laboratory of Electronic Composites of Guizhou Province, College of Big Data and Information Engineering, Guizhou University, Guiyang 550025, China;
2. College of Physics, Guizhou University, Guiyang 550025, China

Received:2022-10-20 Online:2023-01-15 Published:2023-02-15

摘要/Abstract

摘要： 本文通过高温固相反应成功制备了Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺(x=0,0.1,0.2,0.3,0.4,0.5)系列荧光粉。X射线衍射分析和精修结果表明,Eu³⁺和Na⁺成功掺杂到Sr₃ZnNb₂O₉基质中,并部分取代了Zn²⁺。采用扫描电子显微镜测试了样品的微观形貌和元素分布。光谱特性和热稳定性研究表明,Na⁺的最佳掺杂浓度为x=0.2,Na⁺的引入提高了Sr₃ZnNb₂O₉∶0.3Eu³⁺荧光粉的热稳定性,活化能为0.163 eV。计算出Sr₃ZnNb₂O₉∶0.3Eu³⁺, 0.2Na⁺样品的CIE色坐标为(0.618, 0.376),相关色温和色纯度分别为1 855 K和98.46%。

关键词: Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺, 高温固相反应, 光致发光, 热稳定性

Abstract: In this paper, Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺ (x=0,0.1,0.2,0.3,0.4,0.5) phosphors were successfully prepared by high temperature solid-state reaction. XRD patterns and refinement results show that Eu³⁺ and Na⁺ are successfully doped into the matrix and partially substituted Zn²⁺. The microscopic morphology and element distribution of the samples were confirmed by scanning electron microscopy. The spectral characteristics and thermal stability analysis show that the optimal doping concentration of Na⁺ is x=0.2. The introduction of Na⁺ improves the thermal stability of Sr₃ZnNb₂O₉∶0.3Eu³⁺ phosphors and the calculated activation energy is 0.163 eV. The CIE color coordinate of the Sr₃ZnNb₂O₉∶0.3Eu³⁺, 0.2Na⁺ samples is calculated to be (0.618, 0.376), the correlated color temperature and the color purity are 1 855 K and 98.46%, respectively.

Key words: Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺, high temperature solid-state reaction, photoluminescence, thermal stability

中图分类号:

崔瑞瑞, 赵荣力, 袁高峰, 凌易, 邓朝勇, 龚新勇. Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺荧光粉的合成和发光性能研究[J]. 人工晶体学报, 2023, 52(1): 132-138.

CUI Ruirui, ZHAO Rongli, YUAN Gaofeng, LING Yi, DENG Chaoyong, GONG Xinyong. Preparation and Luminescence Performance of Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺ Phosphors[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2023, 52(1): 132-138.

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Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺荧光粉的合成和发光性能研究

Preparation and Luminescence Performance of Sr₃ZnNb₂O₉∶0.3Eu³⁺, xNa⁺ Phosphors

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