Effect of Microwave on Energy Transfer of Mn2+ 660 nm-emitting in (Ba,Sr)3MgSi2O8：Eu2+,Mn2+ Phosphor

WANG Ling-chang; LU Qi-fei; LI Jian; WANG Da-jian

doi:10.3788/fgxb20133408.0976

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Effect of Microwave on Energy Transfer of Mn²⁺ 660 nm-emitting in (Ba,Sr)₃MgSi₂O₈：Eu²⁺,Mn²⁺ Phosphor

更新时间：2020-08-12

- Effect of Microwave on Energy Transfer of Mn²⁺ 660 nm-emitting in (Ba,Sr)₃MgSi₂O₈：Eu²⁺,Mn²⁺ Phosphor
- Chinese Journal of Luminescence Vol. 34, Issue 8, Pages: 976-981(2013)
- 作者机构：
  
  1. 天津理工大学材料物理研究所天津,300384
  2. 天津理工大学天津光电材料与器件重点实验室天津,300384
  3. 显示材料与光电器件教育部重点实验室天津理工大学天津,300384
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133408.0976
  CLC： O482.31
- Received：16 April 2013，
  
  Revised：10 June 2013，
  
  Published：10 August 2013
- 稿件说明：
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王龄昌, 陆启飞, 李建, 王达健. 微波场对(Ba,Sr)3MgSi2O8：Eu2+,Mn2+荧光粉中Mn2+ 660 nm红光能量传递的影响[J]. 发光学报, 2013,34(8): 976-981

WANG Ling-chang, LU Qi-fei, LI Jian, WANG Da-jian. Effect of Microwave on Energy Transfer of Mn2+ 660 nm-emitting in (Ba,Sr)3MgSi2O8：Eu2+,Mn2+ Phosphor[J]. Chinese Journal of Luminescence, 2013,34(8): 976-981
王龄昌, 陆启飞, 李建, 王达健. 微波场对(Ba,Sr)3MgSi2O8：Eu2+,Mn2+荧光粉中Mn2+ 660 nm红光能量传递的影响[J]. 发光学报, 2013,34(8): 976-981 DOI： 10.3788/fgxb20133408.0976.

WANG Ling-chang, LU Qi-fei, LI Jian, WANG Da-jian. Effect of Microwave on Energy Transfer of Mn2+ 660 nm-emitting in (Ba,Sr)3MgSi2O8：Eu2+,Mn2+ Phosphor[J]. Chinese Journal of Luminescence, 2013,34(8): 976-981 DOI： 10.3788/fgxb20133408.0976.

摘要

研究了2.45 GHz微波灼烧(Ba

Sr)

MgSi

：Eu

荧光粉的非热效应对Mn

离子660 nm红光发射强度的影响。在相同的加热温度条件下

增加微波场的输出功率

微波非热效应导致Eu

离子蓝光的跃迁概率增加

通过(Ba

Sr)

MgSi

基质晶格把能量传递给Mn

进而使Mn

的跃迁概率增加

导致红光发射增强。提出了一种微波场非热效应对能量传递影响的新观点

认为在微波加热过程中强微波磁场可能会对像Mn

这样具有顺磁性的激活剂离子的能级结构和能量传递性质产生干扰作用。

Abstract

(Ba

Sr)

MgSi

：Eu

phosphor was synthesized by using 2.45 GHz high temperature microwave (MW) at a given firing temperature. The microwave non-thermal effect on the photoluminescence intensity of 660 nm emission was investigated. With an increase of MW power supply to reach an identical holding firing temperature

non-thermal MW effect leads to increasing transition probability of Eu

blue emission and indirect transition probability of Mn

red band emission with aid of energy transfer from Eu

via

(Ba

Sr)

MgSi

host lattice. A modified energy level diagram was proposed to address this disturbing issue of MW energy attribute. This non-thermal MW effect suggests that a strong magnetic field may apply a disturbance effect on the structure and transition properties of the paramagnetic ions like Mn activator in microwave firing procedure.

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references

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