Synthesis and characterization of tunable luminescence phosphor: Eu3+ and Tb3+ co-doped CaGd2(WO4)4 for potential

被引：7
|
作者：
Wu, G. [1 ]
Zhang, Y. [1 ]
Kang, S. [1 ]
Yu, Z. [1 ]
Wang, X. [1 ]
Jin, D. [1 ]
Wang, L. [1 ]
机构：
[1] Zhejiang Sci Tech Univ, Sch Mat Sci & Engn, Hangzhou 310018, Peoples R China
来源：
OPTIK | 2021年 / 229卷
关键词：
CaGd2(WO4)(4):Tb3+; Eu3+ phosphor; Concentration quenching; Energy transfer; ENERGY-TRANSFER; PHOTOLUMINESCENCE PROPERTIES; RED; SM3+; EMISSIONS;
D O I：
10.1016/j.ijleo.2021.166271
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, Eu3+ and Tb3+ co-doped CaGd2(WO4)(4) phosphors were synthesized by simple hydrothermal method. X-ray diffraction, photoluminescence emission spectroscopy, photoluminescence decay characterizations were performed to study the structural and photoluminescence properties. It was found that all the samples have a sheelite crystal structure with Eu3+ and Tb3+ ions incorporated into the CaGd2(WO4)(4) lattice. Under 377 nm UV excitation, the emission color of CaGd2(WO4)(4):Tb3+, Eu3+ phosphors can be readily tuned from green to red by changing the concentration ratio of Eu3+/Tb3+. These results show that CaGd2(WO4)(4) phosphor might be a promising phosphor for white light emitting diodes (WLEDs) applications.
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页数：7
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