Host-sensitized color-tunable luminescence properties of self-activated and Eu3+-doped Ca3LiZnV3O12 phosphors

被引：38
作者：
Zhang, Xinguo [1 ]
Zhu, Zhenpeng [1 ]
Sun, Zishan [1 ]
Guo, Ziying [1 ]
Zhang, Jilin [2 ,3 ]
机构：
[1] Southern Med Univ, Sch Pharmaceut Sci, Guangdong Prov Key Lab New Drug Screening, Guangzhou 510515, Guangdong, Peoples R China
[2] Hunan Normal Univ, Minist Educ China, Key Lab Chem Biol & Tradit Chinese Med Res, Changsha 410081, Hunan, Peoples R China
[3] Hunan Normal Univ, Hunan Prov Coll, Key Lab Sustainable Resources Proc & Adv Mat, Changsha 410081, Hunan, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2018年 / 203卷
基金：
中国国家自然科学基金;
关键词：
Ca3LiZnV3O12; Vanadate; Energy Transfer; Phosphor; PHOTOLUMINESCENCE PROPERTIES; EMITTING PHOSPHOR; VANADATE GARNET; HIGH-BRIGHTNESS; RED PHOSPHOR; EU3+; EMISSION; ORTHOVANADATES; BI3+; ZN;
D O I：
10.1016/j.jlumin.2018.07.030
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Self-activated and Eu3+-doped vanadate phosphors Ca3LiZnV3O12 were synthesized via the solid-state reaction route. The corresponding crystal structure, luminescence properties, energy transfer process and thermal stability were investigated. Ca3LiZnV3O12 can be effectively excited by 340 nm near-ultraviolet light, and exhibits self-activated broadband cyan emission. Sensitized Eu3+ red emissions were obtained in Ca3LiZnV3O12:Eu3+, where VO43- groups acted as sensitizers by absorbing near ultraviolet photons and transferring them to Eu3+ by energy transfer process. The emitting of Ca3LiZnV3O12: Eu3+ could vary from cyan (0.264, 0.364) through white (0.389, 0.366) and to orange (0.494, 0.360) by controlling Eu3+ concentration. All the results indicate that self activated and Eu3+-doped Ca3LiZnV3O12 could be potential candidate as UV-excited color-tunable phosphors.
引用
收藏
页码：735 / 740
页数：6
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