Effect of Y3+ Ions Doping on The Luminescence Properties of Sr1-xCaxSi2O2N2:Eu2+ Phosphors

LI Xu-cheng; DENG Chao-yong; LONF Fei; LI Liang-rong; WU Xin; GONG Xin-yong

doi:10.3788/fgxb20173811.1450

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Effect of Y³⁺ Ions Doping on The Luminescence Properties of Sr_1-xCaxSi₂O₂N₂:Eu²⁺ Phosphors

更新时间：2020-08-12

- Effect of Y³⁺ Ions Doping on The Luminescence Properties of Sr_1-xCaxSi₂O₂N₂:Eu²⁺ Phosphors
- Chinese Journal of Luminescence Vol. 38, Issue 11, Pages: 1450-1456(2017)
- 作者机构：
  
  1. 贵州大学大数据与信息工程学院, 贵州省电子功能复合材料特色重点实验室, 贵州贵阳 550025
  2. 贵州民族大学数据科学与信息工程学院, 贵州贵阳 550025
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(51462003,61361012);Natur
- DOI：10.3788/fgxb20173811.1450
  CLC： O482.31
- Received：14 March 2017，
  
  Revised：11 April 2017，
  
  Published Online：04 July 2017，
  
  Published：05 November 2017
- 稿件说明：
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李绪诚, 邓朝勇, 龙飞等. Y3+掺杂对Sr1-xCaxSi2O2N2∶Eu2+发光性能的影响[J]. 发光学报, 2017,38(11): 1450-1456

LI Xu-cheng, DENG Chao-yong, LONF Fei etc. Effect of Y3+ Ions Doping on The Luminescence Properties of Sr1-xCaxSi2O2N2:Eu2+ Phosphors[J]. Chinese Journal of Luminescence, 2017,38(11): 1450-1456
李绪诚, 邓朝勇, 龙飞等. Y3+掺杂对Sr1-xCaxSi2O2N2∶Eu2+发光性能的影响[J]. 发光学报, 2017,38(11): 1450-1456 DOI： 10.3788/fgxb20173811.1450.

LI Xu-cheng, DENG Chao-yong, LONF Fei etc. Effect of Y3+ Ions Doping on The Luminescence Properties of Sr1-xCaxSi2O2N2:Eu2+ Phosphors[J]. Chinese Journal of Luminescence, 2017,38(11): 1450-1456 DOI： 10.3788/fgxb20173811.1450.

摘要

采用高温固相反应法制备了Sr

∶Eu

系列荧光粉，研究Y

离子掺入对荧光粉发光性能的影响。对于SrSi

∶Eu

，Y

离子掺入主要起到稳定Eu

价态的作用，避免Eu

氧化为Eu

，从而提高SrSi

∶Eu

的发光性能。对于CaSi

∶Eu

，Y

离子掺入除了稳定Eu

价态作用外，还能有效减小Eu

取代Ca

后晶格膨胀引起的应力，提高Eu

在晶格中的溶解度。Sr

∶Eu

（

=0，0.15，0.3，0.6，0.75，0.95）系列荧光粉中随着Ca含量的增加，共掺Y

离子对样品发光强度的提高程度也随之增加（20%~80%）。

Abstract

:Eu

(

0.15

0.3

0.6

0.75

0.95) phosphors were prepared by a high temperature solid-state reaction method. The effect of Y

doping on the luminescence properties of the samples was studied. The results revealed that Y

ion doping may significantly improve the photoluminescence properties of

:Eu

(

=Ca

Sr) because the point defect result from the substitution of Y

ions for M

could inhibit the oxidization of Eu

to Eu

. Besides

The Y

ion has smaller radius which could relax the expansion caused by the larger Eu

in CaSi

:Eu

. The structure of Sr

:Eu

can solve more Eu

ions at an equal distortion degree. With the increasing of

values in Sr

:Eu

the luminescence intension ratio of Sr

:Eu

(B1-B6) to Sr

:Eu

(A1-A6) raises (120%~180%).

关键词

Keywords

references

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