Ce3+-Yb3+共掺YAG荧光粉量子剪裁发光的浓度及温度特性

李路; 娄朝刚; 谢宇飞

doi:10.3788/fgxb20163712.1445

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Ce³⁺-Yb³⁺共掺YAG荧光粉量子剪裁发光的浓度及温度特性

材料合成及性能 | 更新时间：2020-08-12

- Ce³⁺-Yb³⁺共掺YAG荧光粉量子剪裁发光的浓度及温度特性
- Concentration and Temperature Characteristics of Quantum Cutting Luminescence in Ce³⁺-Yb³⁺ Co-doped YAG Phosphor
- 发光学报 2016年37卷第12期页码：1445-1450
- 作者机构：
  
  1. 东南大学电子科学与工程学院, 江苏南京 210096
  2. 三江学院电子信息工程学院, 江苏南京 210012
- 作者简介：
- 基金信息：
  
  江苏省高校自然科学基金（14KJD510009）();江苏省自然科学基金（BK2011033）();江苏省博士后研究基金计划（1501042B）();江苏高校品牌专业建
- DOI：10.3788/fgxb20163712.1445
  中图分类号： O482.31
- 纸质出版日期：2016-12-10，
  
  收稿日期：2016-6-3，
  
  修回日期：2016-8-23，
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李路, 娄朝刚, 谢宇飞. Ce3+-Yb3+共掺YAG荧光粉量子剪裁发光的浓度及温度特性[J]. 发光学报, 2016,37(12): 1445-1450

LI Lu, LOU Chao-gang, XIE Yu-fei. Concentration and Temperature Characteristics of Quantum Cutting Luminescence in Ce3+-Yb3+ Co-doped YAG Phosphor[J]. Chinese Journal of Luminescence, 2016,37(12): 1445-1450
李路, 娄朝刚, 谢宇飞. Ce3+-Yb3+共掺YAG荧光粉量子剪裁发光的浓度及温度特性[J]. 发光学报, 2016,37(12): 1445-1450 DOI： 10.3788/fgxb20163712.1445.

LI Lu, LOU Chao-gang, XIE Yu-fei. Concentration and Temperature Characteristics of Quantum Cutting Luminescence in Ce3+-Yb3+ Co-doped YAG Phosphor[J]. Chinese Journal of Luminescence, 2016,37(12): 1445-1450 DOI： 10.3788/fgxb20163712.1445.

摘要

采用高温固相法制备了不同掺杂浓度的YAG∶1%Ce

，

%Yb

（

=5，10，15，20，25）系列荧光粉。在450 nm蓝光激发下，测试了样品的发射光谱，得到了中心波长在550 nm的可见宽带发射（Ce

：5d4f）和1 030 nm的近红外发射（Yb

：

5/2

7/2

）。可见和近红外发射强度随Yb

掺杂浓度的变化表明Ce

到Yb

存在能量传递过程，并得到Yb

的猝灭浓度为15%。在低温条件下（80~300 K）测试YAG∶1%Ce

，15%Yb

样品的发射光谱和拉曼光谱，通过对其量子剪裁发光温度特性的分析，描述了基质声子在Ce

到Yb

的能量传递过程中起到的重要作用。

Abstract

YAG:1%Ce

%Yb

(

25) phosphor was synthesized

via

the high temperature solid state method. The optical properties of the phosphor were characterized by photoluminescence (PL). Under the excitation of 450 nm

the visible broadband emission from Ce

:5d4f with the central wavelength of 550 nm was observed. The NIR emission around 1 030 nm from Yb

5/2

7/2

was also observed under the same excitation. The variation of emission intensity with the concentration of Yb

shows that the energy transfer exists between Ce

and Yb

and the quenching concentration of Yb

is 15%. For YAG:1%Ce

15%Yb

sample

the emission spectra and Raman spectra were measured at low temperature (80-300 K). Based on the analyze of temperature characteristics of quantum cutting luminescence

the results show that the phonons of the host material play an important role in the energy transfer from Ce

to Yb

关键词

量子剪裁猝灭浓度温度特性能量传递

Keywords

quantum cuttingquenching concentrationtemperature characteristicsenergy transfer

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