绿色发光粉CaBa2(BO3)2 ∶ Tb3+的 制备和发光特性

杨志平; 宋兆丰; 马 欣; 王凤和; 郭颖楠; 闻建伟

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绿色发光粉CaBa₂(BO₃)₂ ∶ Tb³⁺的制备和发光特性

论文 | 更新时间：2020-08-12

- 绿色发光粉CaBa₂(BO₃)₂ ∶ Tb³⁺的制备和发光特性
- Preparation and Luminescent Properties of Green CaBa₂(BO₃)₂ ∶ Tb³⁺ Phosphor
- 发光学报 2010年31卷第5期页码：724-727
- 作者机构：
  
  1. 河北大学物理科学与技术学院, 河北保定 071002
  2. 河北大学电子信息工程学院, 河北保定 071002
- 作者简介：
- 基金信息：
  
  河北科学技术发展基金(F200900217)资助项目()
- DOI：
  中图分类号： O482.31
- 收稿日期：2009-10-20，
  
  修回日期：2009-11-02，
  
  网络出版日期：2010-09-21，
  
  纸质出版日期：2010-09-21
- 稿件说明：
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杨志平, 宋兆丰, 马欣, 王凤和, 郭颖楠, 闻建伟. 绿色发光粉CaBa2(BO3)2 ∶ Tb3+的制备和发光特性[J]. 发光学报, 2010,31(5): 724-727

YANG Zhi-ping, SONG Zhao-feng, MA Xin, WANG Feng-he, GUO Ying-nan, WEN Jian-wei. Preparation and Luminescent Properties of Green CaBa2(BO3)2 ∶ Tb3+ Phosphor[J]. 发光学报, 2010,31(5): 724-727
杨志平, 宋兆丰, 马欣, 王凤和, 郭颖楠, 闻建伟. 绿色发光粉CaBa2(BO3)2 ∶ Tb3+的制备和发光特性[J]. 发光学报, 2010,31(5): 724-727 DOI：

YANG Zhi-ping, SONG Zhao-feng, MA Xin, WANG Feng-he, GUO Ying-nan, WEN Jian-wei. Preparation and Luminescent Properties of Green CaBa2(BO3)2 ∶ Tb3+ Phosphor[J]. 发光学报, 2010,31(5): 724-727 DOI：

摘要

采用高温固相法合成了绿色荧光粉CaBa

(BO

)

∶ Tb

并对其发光特性进行了研究。发射峰值位于496

549

588

622 nm

分别对应Tb

的

、

能级跃迁。其中以496 nm和549 nm的发射峰最强

样品呈现很好的绿色发光。主要激发峰位于200~300 nm之间

属于4f

宽带吸收。考察了Tb

掺杂浓度和Li

和 K

作为电荷补偿剂对样品发光性能的影响

几乎不发生浓度猝灭现象

的补偿效果最好。还确定了原料CaCO

、BaCO

、H

的最佳配比

当H

过量3%时

合成的晶体发光亮度最好。

Abstract

CaBa

(BO

)

∶ Tb

green phosphor was synthesized by the general high temperature solid-state reaction and its luminescence properties were investigated. It shows four major emission peaks locating at 496

549

588 and 622 nm

corresponding to the

and

typical transition of Tb

respectively. The most intense peaks located at 496 nm and 549 nm

the phosphor shows excellent green emission.The excitation spectra contains a abroad band extending from 200 nm to 300 nm

which correspond to 4f

-5d

broadband absorption. The effects of doped Tb

concentration and charge compensating of Li

and K

on the emission intensity were also investigated: the concentration quench phenomenon does not appear nearly and Li

gives the best improvement to enhance the intensity of the emission.Make sure the best mixture ratio of raw material which are CaCO

BaCO

. Emission intensity of synthetic crystal is the best

when H

is excessive to 3%.

关键词

Keywords

references

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