Tunable White Emitting in Ternary Ce-Tb-Eu Co-doped Calcium-borosilicate Glasses

FENG Yong-an; LEI Xiao-hua; REN Lin-jiao; JIN Lei; DU Xiao-qing; CHEN Wei-min

doi:10.3788/fgxb20133403.0303

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Tunable White Emitting in Ternary Ce-Tb-Eu Co-doped Calcium-borosilicate Glasses

更新时间：2020-08-12

- Tunable White Emitting in Ternary Ce-Tb-Eu Co-doped Calcium-borosilicate Glasses
- Chinese Journal of Luminescence Vol. 34, Issue 3, Pages: 303-307(2013)
- 作者机构：
  
  重庆大学光电工程学院光电技术与系统教育部重点实验室重庆,400044
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133403.0303
  CLC： O433.4
- Received：24 December 2012，
  
  Revised：15 January 2013，
  
  Published：10 March 2013
- 稿件说明：
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冯永安, 雷小华, 任林娇, 金雷, 杜晓晴, 陈伟民. 可调白光发射的Ce-Tb-Eu共掺钙硼硅酸盐发光玻璃[J]. 发光学报, 2013,34(3): 303-307

FENG Yong-an, LEI Xiao-hua, REN Lin-jiao, JIN Lei, DU Xiao-qing, CHEN Wei-min. Tunable White Emitting in Ternary Ce-Tb-Eu Co-doped Calcium-borosilicate Glasses[J]. Chinese Journal of Luminescence, 2013,34(3): 303-307
冯永安, 雷小华, 任林娇, 金雷, 杜晓晴, 陈伟民. 可调白光发射的Ce-Tb-Eu共掺钙硼硅酸盐发光玻璃[J]. 发光学报, 2013,34(3): 303-307 DOI： 10.3788/fgxb20133403.0303.

FENG Yong-an, LEI Xiao-hua, REN Lin-jiao, JIN Lei, DU Xiao-qing, CHEN Wei-min. Tunable White Emitting in Ternary Ce-Tb-Eu Co-doped Calcium-borosilicate Glasses[J]. Chinese Journal of Luminescence, 2013,34(3): 303-307 DOI： 10.3788/fgxb20133403.0303.

摘要

采用高温熔融法制备了Eu单掺和Ce-Tb-Eu共掺的钙硼硅酸盐发光玻璃。使用荧光分光光度计测量了样品的发射与激发光谱

并通过激发、发射光谱和CIE色度坐标对其发光特性进行了研究。结果表明:改变玻璃基质提高其光学碱度

可以大幅度增加Eu

/Eu

比例

增强Eu

的红光发射。在378 nm单色光激发下

Ce-Tb-Eu共掺发光玻璃的发射光谱中同时观测到了蓝光、绿光和较强的红光特征峰。通过调节Tb、Eu的比例

可以使样品发射光谱的色坐标在白光区域内变化

实现白光调控。

Abstract

Eu single doped and Ce-Tb-Eu co-doped calcium-borosilicate glasses were fabricated by high temperature melting technique. The luminescence properties were investigated by excitation and emission spectra. The emission intensity ratio of Eu

to Eu

decreased gradually with the increase of optical basicity of the glass matrix. Under 378 nm excitation

blue

green and red emission bands were simultaneously observed at 430

488

542 and 612 nm

respectively. By increasing the concentration of Tb

a shift of CIE color coordinates from blue to green was observed

and by increasing the concentration of Eu

a shift of CIE color coordinates from blue to red was observed. A complex bright white light emitting was obtained with CIE(0.31

0.31) when

(Ce):

(Tb):

(Eu)=0.25:0.25:0.5.

关键词

Keywords

references

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