Synthesis and enhanced luminescence properties of BaB2O4: Eu3+ microphosphor prepared from the Ba3B6O9(OH)6:Eu3+ precursor

被引:6
作者
Feng, Xiaoqin [1 ]
Tang, Anjiang [1 ]
Huang, Hongsheng [1 ]
机构
[1] Guizhou Inst Technol, Sch Chem Engn, Guiyang 550003, Guizhou, Peoples R China
来源
OPTIK | 2018年 / 172卷
关键词
Barium borate; Phosphor; Luminescence; Two-step hydrothermal method; LIGHT-EMITTING-DIODES; PHOTOLUMINESCENCE PROPERTIES; THERMAL-DECOMPOSITION; OPTICAL-PROPERTIES; BORATE GLASSES; PHOSPHOR; IONS; TEMPERATURE; POLYBORATE; EFFICIENT;
D O I
10.1016/j.ijleo.2018.07.048
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The novel Ba3B6O9(OH)(6):Eu3+ with brick-like microstructure were prepared using the hydro thermal method. BaB2O4:Eu3+(BBO-A) with sheet-like microstructure were obtained firstly by calcining Ba3B6O9(OH)(6):Eu3+. For comparison, the BaB2O4:Eu3+ (BBO-B) with block-like morphology was prepared by the conventional solid-state method. The possible reaction and growth mechanisms of Ba3B6O9(OH)(6):Eu3+ and BaB2O4:Eu3+ were proposed. The structure, morphology and luminescent properties of BaB2O4:Eu3+ and Ba3B6O9(OH)(6):Eu3+ were studied. It was found that BaB2O4:Eu3+ shows much stronger emission intensity than Ba3B6O9(OH)(6):Eu3+,and the emission peak position of BaB2O4:Eu3+ is red-shifted compared with the Ba3B6O9(OH)(6):Eu3+. In addition, the results showed that BBO-A exhibit stronger emission intensity and better red color purity than BBO-B, this indicates that the luminescent properties of BaB2O4:Eu3+ phosphor was enhanced by the two-step hydrothermal approach through further calcination process.
引用
收藏
页码:714 / 720
页数:7
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