VUV Luminescent Properties of M2SiO4：Re(M=Mg,Ca,Ba)(Re=Ce3+,Tb3+)

HE Da-wei; LIU Hong-li; LU Peng-zhi; LI Xin

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VUV Luminescent Properties of M₂SiO₄：Re(M=Mg,Ca,Ba)(Re=Ce³⁺,Tb³⁺)

更新时间：2020-08-11

- VUV Luminescent Properties of M₂SiO₄：Re(M=Mg,Ca,Ba)(Re=Ce³⁺,Tb³⁺)
- Chinese Journal of Luminescence Vol. 28, Issue 1, Pages: 53-56(2007)
- 作者机构：
  
  1. 北京交通大学, 光电子技术研究所北京,100044
  2. 发光与光信息技术教育部重点实验室北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：05 November 2006，
  
  Revised：15 November 2006，
  
  Published：20 January 2007
- 稿件说明：
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何大伟, 刘红利, 卢鹏志, 李鑫. M2SiO4：Re(M=Mg,Ca,Ba;Re=Ce3+,Tb3+)的发光性能[J]. 发光学报, 2007,28(1): 53-56

HE Da-wei, LIU Hong-li, LU Peng-zhi, LI Xin. VUV Luminescent Properties of M2SiO4：Re(M=Mg,Ca,Ba)(Re=Ce3+,Tb3+)[J]. Chinese Journal of Luminescence, 2007,28(1): 53-56
何大伟, 刘红利, 卢鹏志, 李鑫. M2SiO4：Re(M=Mg,Ca,Ba;Re=Ce3+,Tb3+)的发光性能[J]. 发光学报, 2007,28(1): 53-56 DOI：

HE Da-wei, LIU Hong-li, LU Peng-zhi, LI Xin. VUV Luminescent Properties of M2SiO4：Re(M=Mg,Ca,Ba)(Re=Ce3+,Tb3+)[J]. Chinese Journal of Luminescence, 2007,28(1): 53-56 DOI：

摘要

合成了系列M

SiO

:Re(M=Mg

Ba;Re=Ce

)样品

研究了样品在真空紫外区域的激发光谱和发射光谱。从激发谱可以看出:M

SiO

:Re(M=Mg

Ba;Re=Ce

)在147

172nm有很强的吸收带。用Mg

Ca完全取代Ba

SiO

:Tb

中的Ba

相对应的晶体的晶格参数逐渐增大

晶场的能量逐渐减少

其激发光谱随着碱土离子半径的增加向长波方向移动。在172nm真空紫外光激发下

观察到M

SiO

:Re(M=Mg

Ba;Re=Tb

和M

SiO

:Re(M=Mg

Ba;Re=Ce

)特征发射;在真空紫外激发下

随着M

SiO

:Re(M=Mg

Ba;Re=Ce

)中Ce

含量的增加

SiO

:Re的特征发射明显减弱

并分析讨论了相关发光现象的成因。

Abstract

A series of phosphor of

SiO

(

=Mg

Ba;

= Ce

)were synthesized and studied.The excitation spectra measurement showed that

SiO

(

=Mg

Ba)had high energy absorption in the excitation spectra centered at 147nm and 172nm.The excitation spectra of

SiO

:Tb

(

=Mg

Ba)consist of two broad bands:one is in the range from 130 to 200nm and the other is from 200 to 250nm.The former is assigned to the host absorption

the latter is attributed to the absorption of the Tb

.Photoluminescence measurements indicated that

SiO

(

=Mg

Ba;Re=Ce

)phosphor exhibits green emission under VUV excitation.However as Ce

doped in the samples

the absorption band decreases evidently in VUV.

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