Synthesis and Photoluminescence Properties of Multicolor Tunable GdNbO<sub>4</sub>: Tb<sup>3+</sup> Phosphors

Zhang Lu; Yi Shuang-ping; Zhao Wei-ren; Hu Xiao-xue

doi:10.12052/gdutxb.160171

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Synthesis and Photoluminescence Properties of Multicolor Tunable GdNbO₄: Tb³⁺ Phosphors

更新时间：2026-05-27

- Synthesis and Photoluminescence Properties of Multicolor Tunable GdNbO₄: Tb³⁺ Phosphors
- Vol. 34, Issue 5, Pages: 91-95(2017)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.160171
  CLC： TB321
- Online First：09 September 2017，
  
  Published：2017
- 稿件说明：
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张璐, 易双萍, 赵韦人, 胡小雪. 紫外激发GdNbO₄:Tb³⁺色度可调荧光粉的制备和发光性能的研究[J]. 广东工业大学学报, 2017, 34(5): 91-95. DOI: 10.12052/gdutxb.160171.

Zhang Lu, Yi Shuang-ping, Zhao Wei-ren, et al. Synthesis and Photoluminescence Properties of Multicolor Tunable GdNbO₄: Tb³⁺ Phosphors[J]. 2017, 34(5): 91-95. DOI: 10.12052/gdutxb.160171.
张璐, 易双萍, 赵韦人, 胡小雪. 紫外激发GdNbO₄:Tb³⁺色度可调荧光粉的制备和发光性能的研究[J]. 广东工业大学学报, 2017, 34(5): 91-95. DOI: 10.12052/gdutxb.160171. DOI：

Zhang Lu, Yi Shuang-ping, Zhao Wei-ren, et al. Synthesis and Photoluminescence Properties of Multicolor Tunable GdNbO₄: Tb³⁺ Phosphors[J]. 2017, 34(5): 91-95. DOI: 10.12052/gdutxb.160171. DOI：

摘要

采用高温固相法制备了GdNbO

：Tb

荧光粉，系统地分析了该荧光粉的物相组成、漫反射光谱、荧光光谱以及荧光寿命衰减曲线.GdNbO

作为一种自激活发光的荧光粉，在200~325 nm范围有很宽的吸收.当掺杂了Tb

之后，掺杂离子会占据基质的格点位置并伴有基质到Tb

的能量转移.与此同时，基质在紫外区域的吸收会变强.通过研究计算分析可得激活剂Tb

的电偶极矩-电偶极矩相互作用是发生浓度猝灭的原因.

Abstract

A color-tunable phosphor based on Tb

doped GdNbO

were synthesized by a traditional solid-state reaction method. X-ray powder diffraction (XRD)

diffused reflectance spectra

photoluminescence spectra and decay curves were utilized to characterize the as-prepared phosphors. The GdNbO

host was proved to be a self-activated phosphor with broad absorption range from 200 to 325 nm. When Tb

ions were doped into the host lattice

the energy transfer from host to Tb

was identified. And the broad absorption in the UV region was changed and enhanced. Furthermore

the electric dipole-dipole interaction is the major mechanism for the

concentration quenching.

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references

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Synthesis and Photoluminescence Properties of Multicolor Tunable GdNbO4: Tb3+ Phosphors

DOI：10.12052/gdutxb.160171

摘要

Abstract

关键词

Keywords

references

Synthesis and Photoluminescence Properties of Multicolor Tunable GdNbO₄: Tb³⁺ Phosphors