Low-temperature Synthesis and Luminescence Properties of Zn2SiO4 ∶ Mn2+ Phosphors

XU Guang-qing; LIU Jia-qin; ZHENG Zhi-xiang; WU Yu-cheng

doi:10.3788/fgxb20113206.0550

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Low-temperature Synthesis and Luminescence Properties of Zn₂SiO₄ ∶ Mn²⁺ Phosphors

paper | 更新时间：2020-08-12

- Low-temperature Synthesis and Luminescence Properties of Zn₂SiO₄ ∶ Mn²⁺ Phosphors
- Chinese Journal of Luminescence Vol. 32, Issue 6, Pages: 550-554(2011)
- 作者机构：
  
  合肥工业大学材料科学与工程学院,安徽合肥,230009
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20113206.0550
  CLC： O482.31
- Received：25 December 2010，
  
  Revised：17 February 2011，
  
  Published Online：22 June 2011，
  
  Published：22 June 2011
- 稿件说明：
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徐光青, 刘家琴, 郑治祥, 吴玉程. Zn2SiO4 ∶ Mn2+发光材料的低温合成及其发光性能[J]. 发光学报, 2011,32(6): 550-554

XU Guang-qing, LIU Jia-qin, ZHENG Zhi-xiang, WU Yu-cheng. Low-temperature Synthesis and Luminescence Properties of Zn2SiO4 ∶ Mn2+ Phosphors[J]. Chinese Journal of Luminescence, 2011,32(6): 550-554
徐光青, 刘家琴, 郑治祥, 吴玉程. Zn2SiO4 ∶ Mn2+发光材料的低温合成及其发光性能[J]. 发光学报, 2011,32(6): 550-554 DOI： 10.3788/fgxb20113206.0550.

XU Guang-qing, LIU Jia-qin, ZHENG Zhi-xiang, WU Yu-cheng. Low-temperature Synthesis and Luminescence Properties of Zn2SiO4 ∶ Mn2+ Phosphors[J]. Chinese Journal of Luminescence, 2011,32(6): 550-554 DOI： 10.3788/fgxb20113206.0550.

摘要

采用水热合成工艺低温制备了Mn

掺杂的Zn

SiO

发光材料

采用X射线衍射(X-ray diffraction

XRD)、扫描电子显微镜(Scanning electron microscope

SEM)对样品的结构和形貌进行观察

并以此分析了水热过程中Zn

SiO

的形成机制。采用吸收光谱、荧光光谱对其光吸收及光致发光性能进行分析。测试结果表明:水热220 ℃反应6 d基本可获得完全的Zn

SiO

产物为短棒状

宽度约为0.25 m

长度约为1 m。吸收光谱显示产物在380

250

220 nm处存在光吸收

并且在253 nm紫外光激发下产生强烈的522 nm绿色发光。

Abstract

doped Zn

SiO

phosphors had been prepared by hydrothermal method in stainless-steel autoclaves using the mixed solvent of ethidene diamine and H

O. The crystalline structures and the morphologies of the samples were studied with X-ray diffraction apparatus (XRD) and scanning electron microscopy (SEM)

and the reaction process was detected with the results of XRD and SEM. The optic properties were measured with UV-Vis Absorption Spectrometer and Fluorescence spectrometer. Results show that Zn

SiO

crystal can be obtained by hydrothermal method at 200 ℃ for 6 d

and the product is a short rod with the width about 0.25 m and the length about 1 m. Absorption spectra show an absorption edge at about 380 nm and two absorption bands at about 250 nm and 220 nm. Mn

doped Zn

SiO

has a luminescence band with the peak wavelength at about 522 nm under 253 nm excitation without further thermal treatment.

关键词

Keywords

references

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