Fabrication and Luminescent Properties of Sr3B2O6∶Eu3+, Na+ Phosphor for White LED Applications

WANG Rong; XU Jin; CHEN Chao

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Fabrication and Luminescent Properties of Sr₃B₂O₆∶Eu³⁺, Na⁺ Phosphor for White LED Applications

paper | 更新时间：2020-08-12

- Fabrication and Luminescent Properties of Sr₃B₂O₆∶Eu³⁺, Na⁺ Phosphor for White LED Applications
- Chinese Journal of Luminescence Vol. 32, Issue 10, Pages: 983-987(2011)
- 作者机构：
  
  1. 厦门大学能源研究院,福建厦门,361005
  2. 厦门大学材料学院,福建厦门,中国,361000
  3. 厦门大学物理与机电工程学院,福建厦门,361005
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：14 June 2011，
  
  Revised：2011-7-21，
  
  Published Online：22 October 2011，
  
  Published：22 October 2011
- 稿件说明：
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王荣, 徐进, 陈朝. 白光LED用荧光材料 Sr3B2O6∶Eu3+ ,Na+ 的制备及发光性能[J]. 发光学报, 2011,32(10): 983-987

WANG Rong, XU Jin, CHEN Chao. Fabrication and Luminescent Properties of Sr3B2O6∶Eu3+, Na+ Phosphor for White LED Applications[J]. Chinese Journal of Luminescence, 2011,32(10): 983-987
王荣, 徐进, 陈朝. 白光LED用荧光材料 Sr3B2O6∶Eu3+ ,Na+ 的制备及发光性能[J]. 发光学报, 2011,32(10): 983-987 DOI：

WANG Rong, XU Jin, CHEN Chao. Fabrication and Luminescent Properties of Sr3B2O6∶Eu3+, Na+ Phosphor for White LED Applications[J]. Chinese Journal of Luminescence, 2011,32(10): 983-987 DOI：

摘要

采用高温固相法合成了可用于白光LED的Sr

∶Eu

荧光粉。研究了煅烧时间、稀土Eu

掺杂量等条件对材料发光性能的影响。结果表明:适量掺入Eu

、Na

之后

基质的晶格结构未发生变化;稀土Eu

掺杂摩尔分数为6%

煅烧时间为3 h时最佳;作为电荷补偿剂的Na

的引入

较大地提高了荧光粉发光强度。该荧光粉可被394 nm近紫外光激发

在615 nm处红光发射最强

是一种潜在的近紫外白光LED用荧光材料。

Abstract

A series of Sr

∶Eu

phosphors were synthesized at 1 200 ℃ by conventional solid state reaction method and their luminescent properties were investigated. Structural characterization of the luminescent materials was carried out with X-ray powder diffraction (XRD) analysis. XRD results showed that no apparently structure transformation of the Sr

matrix was observed after doping appropriate amount of Eu

. Photoluminescence spectra indicated that the phosphor can be efficiently excited by 394 nm near-UV light and exhibited an intense red luminescence corresponding to the electric dipole transition

at 615 nm. It was found that the optimal conditions to obtain the red emitting phosphor are 6% mole fraction of Eu

3 h of the calcination time. In addition

the introduction of charge compensator Na

can lead to the strongly enhanced emission intensity of Eu

. Therefore

the material could be a promising red phosphor for possible applications in the white LED.

关键词

Keywords

references

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