Low-temperature Synthesis and Luminescent Properties of Sr2ZnSi2O7:Eu3+

HE Ling-yun; LI Xiang-qi

doi:10.3788/fgxb20143511.1306

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Low-temperature Synthesis and Luminescent Properties of Sr₂ZnSi₂O₇:Eu³⁺

更新时间：2020-08-12

- Low-temperature Synthesis and Luminescent Properties of Sr₂ZnSi₂O₇:Eu³⁺
- Chinese Journal of Luminescence Vol. 35, Issue 11, Pages: 1306-1310(2014)
- 作者机构：
  
  福州大学材料科学与工程学院,福建福州,350108
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143511.1306
  CLC： O482.31
- Received：25 July 2014，
  
  Revised：28 August 2014，
  
  Published Online：11 July 2014，
  
  Published：03 November 2014
- 稿件说明：
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何凌云, 李湘祁,. Sr2ZnSi2O7:Eu3+的低温合成与发光性能[J]. 发光学报, 2014,35(11): 1306-1310

HE Ling-yun, LI Xiang-qi,. Low-temperature Synthesis and Luminescent Properties of Sr2ZnSi2O7:Eu3+[J]. Chinese Journal of Luminescence, 2014,35(11): 1306-1310
何凌云, 李湘祁,. Sr2ZnSi2O7:Eu3+的低温合成与发光性能[J]. 发光学报, 2014,35(11): 1306-1310 DOI： 10.3788/fgxb20143511.1306.

HE Ling-yun, LI Xiang-qi,. Low-temperature Synthesis and Luminescent Properties of Sr2ZnSi2O7:Eu3+[J]. Chinese Journal of Luminescence, 2014,35(11): 1306-1310 DOI： 10.3788/fgxb20143511.1306.

摘要

以介孔二氧化硅MCM-41为硅源

采用低温水热反应与后续煅烧相结合的方法合成Sr

ZnSi

红色荧光粉。实验结果表明

150 ℃水热处理16 h后的反应产物含Sr

ZnSi

相

经后续950 ℃煅烧3 h得到Sr

ZnSi

纯相。在392 nm近紫外光的有效激发下

ZnSi

荧光粉显示Eu

离子的特征跃迁发射

以615 nm的

跃迁发射峰为最强。适量Eu

的掺杂对Sr

ZnSi

相结构几乎没有影响

当Eu

离子的掺杂量

=0.10时

荧光粉发光强度最大。

Abstract

ZnSi

red phosphors were synthesized with mesoporous MCM-41 as silica source

via

a low-temperature hydrothermal route with further calcining. The results indicate that Sr

ZnSi

phase appears in the hydrothermal reaction product synthesized at 150 ℃ for 16 h

and pure phase Sr

ZnSi

is obtained by further calcining at 950 ℃ for 3 h. Sr

ZnSi

phosphors can be effectively excited by 392 nm near-ultraviolet radiation and show the typical emission spectra of Eu

. The prominent emission transition is at 615 nm assigned to

. The structure of Sr

ZnSi

is not affected by doping appropriate amounts of Eu

. Sr

ZnSi

phosphor with

=0.10 has the highest Eu

emission intensity.

关键词

Keywords

references

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