Intense and tunable upconversion luminescence of Er3+/Yb3+ co-doped oxy-fluoride phosphors

被引：0
|
作者：
Han, Qun [1 ,3 ]
Song, Huiling [1 ,3 ]
Liu, Fangchao [1 ,2 ]
Tang, Xiaoyun [1 ,3 ]
Chen, Yaofei [1 ,3 ]
Yan, Wenchuan [1 ,3 ]
Liu, Tiegen [1 ,3 ]
机构：
[1] Tianjin Univ, Coll Precis Instruments & Optoelect Engn, Tianjin 300072, Peoples R China
[2] China North Vehicle Res Inst, Beijing 100072, Peoples R China
[3] Tianjin Univ, Minist Educ, Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China
来源：
OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS | 2018年 / 12卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
Tunable up-conversion; Er3+/Yb3+ co-doped; Energy transfer; YB3+ CONCENTRATION; EMISSION; NANOCRYSTALS; YB3+/ER3+; BLUE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The synthesis and up-conversion (UC) luminescence properties of Er3+/Nb3+ co-doped oxy-fluoride phosphors are reported in this paper. The phosphors were synthesized by the high-temperature melting method and phase identified by X-ray diffraction. Intense red and green emissions were observed under 980 nm excitation which were ascribed to the F-4(9/2)->(4)l(15/2) and H-4(11/2), S-4(3/2)-> l(15/2) transitions of Er3+, respectively. Mechanisms of UC by two and three-photon and energy transfer process were interpreted and explained. The color coordinates were measured and the tunable UC luminescence was analyzed. The CIE diagram showsthatthe samples with differentYb(3+) ion concentrations exhibit different colors.
引用
收藏
页码：193 / 197
页数：5
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