Up-conversion of Nd3+/Yb3+/Tm3+ tri-doped CaTeO3 compound under excitation of 808 nm

被引：0
|
作者：
Zhong-Qiang Ye [1 ]
Si-Guo Xiao [1 ]
Xiao-Liang Yang [1 ]
机构：
[1] School of Physics and Optoelectronics,Xiangtan University
来源：
RareMetals | 2021年 / 40卷 / 04期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TB34 [功能材料]; TN248 [激光器];
学科分类号：
0803 ; 080401 ; 080501 ; 080901 ;
摘要：
Nd/Yb/Tmtri-doped CaTeOcompounds were prepared by a solid-state reaction method.Bright blue up-conversion(UC) luminescence at around 476 nm,which corresponds to the Tm:~1G→~3Htransition,was observed under 808-nm excitation.The Nd→Yb→Tmenergy transfer process was responsible for the strong blue up-conversion emission in the tri-doped phosphor.The Tmblue up-conversion emission intensity was strongly dependent on the concentrations of Yband Nd.The possible up-conversion mechanisms for the Nd/Yb/Tmtri-doped CaTeOphosphor are discussed,based on the Ndand Ybconcentration-dependent UC spectra,near-infrared luminescence spectra and luminescence decay curves.
引用
收藏
页码：1008 / 1013
页数：6
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