Preparation and Photoluminescence of Green Zn2SiO4 : Mn2+ Phosphor by Sol-gel Method

CAI Jin-jun; WANG Yi; PAN Huan-huan; ZENG Qing-guang; HU She-jun

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Preparation and Photoluminescence of Green Zn₂SiO₄ : Mn²⁺ Phosphor by Sol-gel Method

paper | 更新时间：2020-08-12

- Preparation and Photoluminescence of Green Zn₂SiO₄ : Mn²⁺ Phosphor by Sol-gel Method
- Chinese Journal of Luminescence Vol. 31, Issue 1, Pages: 75-78(2010)
- 作者机构：
  
  1. 五邑大学化学与环境工程系,广东江门,529020
  2. 五邑大学纳米与薄膜材料研究所, 广东江门 529020
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：11 May 2009，
  
  Revised：02 January 1900，
  
  Published Online：20 February 2010，
  
  Published：20 February 2010
- 稿件说明：
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CAI Jin-jun, WANG Yi, PAN Huan-huan, et al. Preparation and Photoluminescence of Green Zn₂SiO₄ : Mn²⁺ Phosphor by Sol-gel Method[J]. Chinese journal of luminescence, 2010, 31(1): 75-78.
DOI：

CAI Jin-jun, WANG Yi, PAN Huan-huan, et al. Preparation and Photoluminescence of Green Zn₂SiO₄ : Mn²⁺ Phosphor by Sol-gel Method[J]. Chinese journal of luminescence, 2010, 31(1): 75-78. DOI：

摘要

利用溶胶-凝胶法在加入H

助熔剂的环境下制备了掺杂不同量Mn

的Zn

SiO

绿色发光粉。用X射线衍射仪和荧光光谱仪对其结构和光致发光性能进行了测试分析。结果表明:900 ℃还原气氛下退火后

样品呈现明显的绿色

最佳掺杂摩尔分数为2%

当掺杂量超过2%后光谱发生强烈的浓度猝灭效应。最后

对这种物质的发光机理进行了分析。

Abstract

Different content of Mn

doped Zn

SiO

green phosphors were prepared by sol-gel method under the dopants of boron ions.The photoluminescent properties and structure of the samples were studied by fluorescence spectroscopy and X-ray diffraction

respectively. Results showed that

after annealed at 900 ℃ in reducing atmosphere

the sample exhibits a clear green color and the best doping mol fraction is 2%. A strong concentration quenching effect is presented when the concentration of

＞2%

the possible luminescence mechanism of the samples was also analyzed in this paper.

关键词

Keywords

references

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