Synthesis and Luminescence Properties of Red Phosphor Na8.33La1.67(SiO4)6O2: Eu3+

JIN Ye; CHEN Yuan-hao; LIU Hao-wen; YAO Jing

doi:10.3788/fgxb20194002.0159

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Synthesis and Luminescence Properties of Red Phosphor Na_8.33La_1.67(SiO₄)₆O₂: Eu³⁺

Synthesis and Properties of Materials | 更新时间：2020-08-12

- Synthesis and Luminescence Properties of Red Phosphor Na_8.33La_1.67(SiO₄)₆O₂: Eu³⁺
- Chinese Journal of Luminescence Vol. 40, Issue 2, Pages: 159-163(2019)
- 作者机构：
  
  重庆理工大学理学院, 重庆 400054
- 作者简介：
- 基金信息：
  
  Supported by Chongqing Science and Technology Plan(cstc2017jcyjA0925)
- DOI：10.3788/fgxb20194002.0159
  CLC： O482.31
- Received：04 May 2018，
  
  Revised：01 August 2018，
  
  Published Online：23 August 2018，
  
  Published：05 February 2019
- 稿件说明：
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金叶, 陈远豪, 刘浩文等. 红色荧光粉Na8.33La1.67(SiO4)6O2:Eu3+的制备及发光特性[J]. 发光学报, 2019,40(2): 159-163

JIN Ye, CHEN Yuan-hao, LIU Hao-wen etc. Synthesis and Luminescence Properties of Red Phosphor Na8.33La1.67(SiO4)6O2: Eu3+[J]. Chinese Journal of Luminescence, 2019,40(2): 159-163
金叶, 陈远豪, 刘浩文等. 红色荧光粉Na8.33La1.67(SiO4)6O2:Eu3+的制备及发光特性[J]. 发光学报, 2019,40(2): 159-163 DOI： 10.3788/fgxb20194002.0159.

JIN Ye, CHEN Yuan-hao, LIU Hao-wen etc. Synthesis and Luminescence Properties of Red Phosphor Na8.33La1.67(SiO4)6O2: Eu3+[J]. Chinese Journal of Luminescence, 2019,40(2): 159-163 DOI： 10.3788/fgxb20194002.0159.

摘要

采用高温固相法制备了Na

8.33

1.67

（SiO

）

:Eu

红色发光材料，利用X射线衍射仪测定其晶体结构，利用Hitachi F4600表征其发光光谱。在紫外光激发下，样品Na

8.33

1.67

（SiO

）

:Eu

呈多峰发射，分别对应于Eu

的

（

=0，1，2，3，4）能级跃迁，主峰是位于615 nm的

跃迁发射。研究了Eu

掺杂浓度对材料发光性质的影响，改变Eu

掺杂浓度，样品的发射强度随之改变，Na

8.33

1.67

（SiO

）

:Eu

材料的Eu

浓度为15%时，发光强度最大。讨论了浓度猝灭的机理，理论计算表明引起Eu

离子能量弥散的主要原因是离子间交换相互作用。

Abstract

Europium(Ⅲ)-doped Na

8.33

1.67

(SiO

)

have been synthesized by solid stated method. The crystal structure has been detected by X-ray diffractometer and the photoluminescence properties have been obtained on Hitachi F4600. Under UV excitation

the emission of Na

8.33

1.67

-(SiO

)

:Eu

cover some sharp lines corresponding to the transitions of

(

with the highest intensity at 615 nm ascribed to the transition of

. Moreover

the emission intensity changes with the concentration of Eu

. As the concentration is 15%

the optimal emission is obtained

which is concentration quenching. The phenomenon is due to the energy migration between Eu

ions. And the interaction mechanism between Eu

ions is calculated

which is exchange interaction.

关键词

Keywords

references

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