Crystalline-phase depuration in Ce3+ activated Lu3Al5O12-tellurite green-emitting phosphor-in-glass

被引：15

作者：

Han, D. ^{[1
,2
,3
]}

Li, D. S. ^{[1
]}

Zhang, Y. J. ^{[1
]}

Lin, H. ^{[1
,2
,3
]}

Pun, E. Y. B. ^{[2
,3
]}

机构：

[1] Dalian Polytech Univ, Sch Informat Sci & Engn, Dalian 116034, Peoples R China

[2] City Univ Hong Kong, Dept Elect Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China

[3] City Univ Hong Kong, State Key Lab Terahertz & Millimeter Waves, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2019年 / 214卷

关键词：

Crystalline-phase depuration; Phosphor-in-glass; LuAG:Ce3+ phosphor; THERMAL-STABILITY; LUMINESCENCE CHARACTERISTICS; CONVERSION PHOSPHORS; FACILE PREPARATION; ENERGY-TRANSFER; WHITE; CHROMATICITY; PERFORMANCE; FILMS; YAG;

D O I：

10.1016/j.jlumin.2019.116531

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Ce3+ activated Lu3Al5O12 (LuAG) phosphor-in-glass (PiG) based on tellurite glass with low melting temperature has been synthesized and the LuAG particles are proved to be well-distributed in tellurite glass with the particle size of similar to 5 mu m. The introduction of H3BO3 as a flux is helpful to promote polycrystalline growth and reduce reaction temperature of LuAG:Ce3+ green phosphor, but accompanied by the generation of LuBO3 impurity phase. Differential fluorescence emission behaviors between LuAG:Ce3+ and LuAG-PiG illustrate that the luminous ability of the LuBO3:Ce3+ is strongly restrained while intense pure green light is released in composite. LuAG-PiG combines the admirable formability of tellurite glass with the favorable luminescent capability of LuAG:Ce3+, in which LuBO3 can be effectively eliminated to achieve LuAG:Ce3+ depuration. Prominent depuration capacity and intense fluorescence emission demonstrate that LuAG-PiG is a potential candidate in developing high-power light emitting diodes lighting.

引用

页数：6

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