(La,Ce,Tb)BO<SUB>3</SUB>的合成及光谱性质

王林生; 文小强; 周 健; 赖华生; 王玉香; 黄可龙

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(La,Ce,Tb)BO₃的合成及光谱性质

论文 | 更新时间：2020-08-12

- (La,Ce,Tb)BO₃的合成及光谱性质
- Synthesis and Luminescence Properties of (La,Ce,Tb)BO₃ Phosphors
- 发光学报 2009年30卷第6期页码：763-767
- 作者机构：
  
  1. 中南大学, 湖南长沙 410083
  2. 赣州有色冶金研究所,江西赣州,341000
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O482.31
- 纸质出版日期：2009-12-30，
  
  网络出版日期：2009-12-30，
  
  收稿日期：2009-1-19，
  
  修回日期：1900-1-2，
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王林生, 文小强, 周健, 等. (La,Ce,Tb)BO₃的合成及光谱性质[J]. 发光学报, 2009,30(6):763-767.

WANG Lin-sheng, WEN Xiao-qiang, ZHOU Jian, et al. Synthesis and Luminescence Properties of (La,Ce,Tb)BO₃ Phosphors[J]. Chinese Journal of Luminescence, 2009,30(6):763-767.
王林生, 文小强, 周健, 等. (La,Ce,Tb)BO₃的合成及光谱性质[J]. 发光学报, 2009,30(6):763-767. DOI：

WANG Lin-sheng, WEN Xiao-qiang, ZHOU Jian, et al. Synthesis and Luminescence Properties of (La,Ce,Tb)BO₃ Phosphors[J]. Chinese Journal of Luminescence, 2009,30(6):763-767. DOI：

摘要

采用高温固相法合成了(La

Tb)BO

绿色发光粉

并对该发光粉进行了XRD和SEM分析。结果表明:(La

Tb)BO

的晶体结构和LaBO

相同

、Tb

的掺入并没有改变晶体的结构

发光粉颗粒大小均匀

形貌规则

粒度在5 μm左右。研究了(La

Tb)BO

的光谱性质

在(La

Tb)BO

的发射和激发光谱中除了有Tb

的特征发射和激发峰外

还有Ce

的特征发射和激发峰。比较了(La

Ce)BO

发射光谱和(La

Tb)BO

的激发光谱

两者存在重叠

这为Ce

→Tb

的能量传递提供了条件。将(La

Tb)BO

的发射光谱与商品粉(La

Tb)PO

进行比较

两者的发射主峰都在541 nm处

(La

Tb)BO

在489 nm处的峰位稍有红移

通过计算表明

(La

Tb)BO

的发光亮度达到商品粉(La

Tb)PO

的94.7%。因此

(La

Tb)BO

是一种很有应用前景的绿色发光粉。

Abstract

The phosphor of (La

Tb)BO

was synthesized by high temperature solid state reaction. X-ray diffraction(XRD) patterns indicated that (La

Tb)BO

and LaBO

have the same crystal structure

the crystal structure was not changed by doping with Ce

and Tb

. Emission scanning electron microscopy (SEM) image showed that the phosphor particles is uniform

the morphology is regular

and the granularity is about 5 μm. The luminescence properties of (La

Tb)BO

phosphor were studied

both the Tb

characteristic emission and excitation peaks and the Ce

characteristic emission and excitation peaks were observed in the emission and excitation spectrum of (La

Tb)BO

. The emission spectra of Ce

in (La

Ce)BO

and the excitation spectra of Tb

in (La

Tb)BO

have large superposition at 330~400 nm regions

which supply good conditions for energy transfer from Ce

to Tb

. The energy transfer between Ce

and Tb

is primarily as resonance transfer. Both of (La

Tb)BO

phosphor and commercial phosphor (La

Tb)-PO

have main emission peak at 541 nm. Comparing (La

Tb)BO

phosphor with commercial phosphor (La

Tb)BO

(La

Tb)BO

phosphor has a little red shift at 489 nm and its relative emission intensity was 94.7% of the commereial phosphor (La

Tb)PO

. Therefore

it is expected that (La

Tb)BO

phosphor would be a promising green-emitting phosphors.

关键词

光谱发光粉能量传递(LaCeTb)BO3

Keywords

energy transferphosphorsspectrum(LaCeTb)BO3

references

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. Ding Shijin, Zhang Wei, Xu Baoqing, et al. Synthesis and luminescence properties of (La, Ce, Tb)(PO4, BO3)[J]. Chin. J. Funct. Mater. (功能材料), 2000, 31 (Suppl.):84-86 (in Chinese).

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(La,Ce,Tb)BO3的合成及光谱性质

Synthesis and Luminescence Properties of (La,Ce,Tb)BO3 Phosphors

DOI：

摘要

Abstract

关键词

Keywords

references

(La,Ce,Tb)BO₃的合成及光谱性质

Synthesis and Luminescence Properties of (La,Ce,Tb)BO₃ Phosphors