Luminescence and Energy Transfer of Ce3+/Sm3+ Co-doped Glass and Glass Ceramics Containing Zn2SiO4 Nanocrystals for White LEDs

JIANG Qing-yun; LI Chen-xia; YE Ren-guang; CHEN Hong; HUA You-jie; DENG De-gang; ZHAO Shi-

doi:10.3788/fgxb20123304.0371

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Luminescence and Energy Transfer of Ce³⁺/Sm³⁺ Co-doped Glass and Glass Ceramics Containing Zn₂SiO₄ Nanocrystals for White LEDs

paper | 更新时间：2020-08-12

- Luminescence and Energy Transfer of Ce³⁺/Sm³⁺ Co-doped Glass and Glass Ceramics Containing Zn₂SiO₄ Nanocrystals for White LEDs
- Chinese Journal of Luminescence Vol. 33, Issue 4, Pages: 371-376(2012)
- 作者机构：
  
  1. 中国计量学院光学与电子科技学院,浙江杭州,310018
  2. 中国计量学院材料科学与工程学院,浙江杭州,310018
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123304.0371
  CLC： O482.31
- Received：05 January 2012，
  
  Revised：05 February 2012，
  
  Published Online：10 April 2012，
  
  Published：10 April 2012
- 稿件说明：
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江青云, 李晨霞, 叶仁广, 陈鸿, 华有杰, 邓德刚, 赵士龙, 徐时清. 白光LED用Ce3+/Sm3+共掺玻璃和微晶玻璃的发光特性及能量传递研究[J]. 发光学报, 2012,33(4): 371-376

JIANG Qing-yun, LI Chen-xia, YE Ren-guang, CHEN Hong, HUA You-jie, DENG De-gang, ZHAO Shi-long, XU Shi-qing. Luminescence and Energy Transfer of Ce3+/Sm3+ Co-doped Glass and Glass Ceramics Containing Zn2SiO4 Nanocrystals for White LEDs[J]. Chinese Journal of Luminescence, 2012,33(4): 371-376
江青云, 李晨霞, 叶仁广, 陈鸿, 华有杰, 邓德刚, 赵士龙, 徐时清. 白光LED用Ce3+/Sm3+共掺玻璃和微晶玻璃的发光特性及能量传递研究[J]. 发光学报, 2012,33(4): 371-376 DOI： 10.3788/fgxb20123304.0371.

JIANG Qing-yun, LI Chen-xia, YE Ren-guang, CHEN Hong, HUA You-jie, DENG De-gang, ZHAO Shi-long, XU Shi-qing. Luminescence and Energy Transfer of Ce3+/Sm3+ Co-doped Glass and Glass Ceramics Containing Zn2SiO4 Nanocrystals for White LEDs[J]. Chinese Journal of Luminescence, 2012,33(4): 371-376 DOI： 10.3788/fgxb20123304.0371.

摘要

采用高温熔融法制备了一系列Ce

/Sm

共掺透明微晶玻璃

并研究了其发光特性。在微晶玻璃中Ce

呈现出基于4f-5d跃迁的较强的宽带蓝光发射

通过调节Ce

/Sm

离子的掺杂浓度

/Sm

离子共掺微晶玻璃发光的色度逐渐发生变化

当CeO

/Sm

掺杂的量比为1:1时

制得的微晶玻璃发光色坐标为(0.315

0.296)。通过光谱和荧光衰减曲线

研究了Ce

离子到Sm

离子的能量传递

在SAZKNGC

0.6

微晶玻璃中

离子向Sm

离子传递能量效率约为20%。结果表明

/Sm

共掺微晶玻璃是白光LED的一种潜在基质材料。

Abstract

A series of transparent Ce

/Sm

co-doped glass ceramics were prepared by high temperature melting

and their luminescence properties were studied. In the glass ceramics

ions have shown efficient broadband blue emission due to the 4f-5d transition

and Sm

ions have shown bright orange-red luminescence resulting from the

5/2

(

=5/2

7/2

9/2

11/2) transitions. By adjusting the doped concentration of Ce

and Sm

ions

the chroma of the samples varied gradually. When the mole fraction of CeO

and Sm

was 1:1

the white light luminescence glass ceramic with the chromaticity coordinate (0.315

0.296) was prepared. The energy transfer from Ce

to Sm

ions were investigated by spectra properties and fluorescence decay curves

energy transfer efficiency is about 20% in the SAZKNGC

0.6

glass ceramics. The results indicate that Ce

/Sm

co-doped glass ceramics containing -Zn

SiO

are potential matrix materials for white LEDs.

关键词

Keywords

references

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