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

页码：193 / 197

页数：5

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