Luminescence Properties and Energy Transfer in Ba9Sc2(SiO4)6:Ce3+,Mn2+

LIU Qing-zhe; ZHANG Jia-hua; ZHANG De-kai; LIU Yong-fu; HU Xiao-yun; LI Han-zhen; YU Jin-y

doi:10.3788/fgxb20133403.0297

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Luminescence Properties and Energy Transfer in Ba₉Sc₂(SiO₄)₆:Ce³⁺,Mn²⁺

更新时间：2020-08-12

- Luminescence Properties and Energy Transfer in Ba₉Sc₂(SiO₄)₆:Ce³⁺,Mn²⁺
- Chinese Journal of Luminescence Vol. 34, Issue 3, Pages: 297-302(2013)
- 作者机构：
  
  1. 西北大学物理学系,陕西西安,710069
  2. 发光学与应用国家重点实验室中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  3. 国家级光电技术与功能材料国际合作基地西北大学,陕西西安,710069
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133403.0297
  CLC： O482.31
- Received：21 December 2012，
  
  Revised：16 January 2013，
  
  Published：10 March 2013
- 稿件说明：
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刘箐哲, 张家骅, 张德恺, 刘永福, 胡晓云, 李函真, 于金影. Ba9Y2(SiO4)6: Ce3+,Mn2+荧光粉的发光特性及能量传递[J]. 发光学报, 2013,34(3): 297-302

LIU Qing-zhe, ZHANG Jia-hua, ZHANG De-kai, LIU Yong-fu, HU Xiao-yun, LI Han-zhen, YU Jin-ying. Luminescence Properties and Energy Transfer in Ba9Sc2(SiO4)6:Ce3+,Mn2+[J]. Chinese Journal of Luminescence, 2013,34(3): 297-302
刘箐哲, 张家骅, 张德恺, 刘永福, 胡晓云, 李函真, 于金影. Ba9Y2(SiO4)6: Ce3+,Mn2+荧光粉的发光特性及能量传递[J]. 发光学报, 2013,34(3): 297-302 DOI： 10.3788/fgxb20133403.0297.

LIU Qing-zhe, ZHANG Jia-hua, ZHANG De-kai, LIU Yong-fu, HU Xiao-yun, LI Han-zhen, YU Jin-ying. Luminescence Properties and Energy Transfer in Ba9Sc2(SiO4)6:Ce3+,Mn2+[J]. Chinese Journal of Luminescence, 2013,34(3): 297-302 DOI： 10.3788/fgxb20133403.0297.

摘要

利用高温固相法制备了Ba

(SiO

)

:Ce

(BYS:Ce

)荧光粉

并通过X射线衍射(XRD)谱、激发和发射光谱及荧光寿命的测试对材料的结构、发光特性和能量传递进行了研究。在327 nm激发下

BYS:Ce

发射光谱中包含2个发射峰

分别为位于407 nm的Ce

的蓝紫光发射和位于597 nm的Mn

的红光发射。在该体系中

发现了Ce

向Mn

的有效能量传递

使得Mn

在597 nm处的红光发射显著提高

当

(Mn

)=0.25时

BYS:Ce

的能量传递效率可达39%。实验表明

该荧光粉可为紫外基白光LED提供良好的红光光源。

Abstract

(SiO

)

:Ce

phosphors were prepared by solid-state reaction and their structure

luminescence properties and energy transfer have been investigated by means of XRD

photoluminescence excitation and emission spectra

decay lifetimes

respectively. Upon 327 nm excitation

the phosphor Ba

(SiO

)

:Ce

exhibits two dominating bands centered at 407 and 597 nm

originate from 5d4f transition of the Ce

ion and the

(4G)

(6S) transition of the Mn

ion

respectively. We have discovered energy transfers from Ce

to Mn

. By utilizing the principle of energy transfer

can generate a strong red emission band at 597 nm. The dependence of the ET efficiency can reach to 39% at

=0.25 in BYS:Ce

. The results indicate that BYS:Ce

could be used for UV-based white leds as the red light source.

关键词

Keywords

references

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