K3YB6O12:Sm3+: A novel orange-red emitting phosphor for white light emitting diodes

被引：29

作者：

Han, Bing ^{[1
]}

Liu, Beibei ^{[1
]}

Zhang, Jie ^{[1
]}

Dai, Yazhou ^{[1
]}

机构：

[1] Zhengzhou Univ Light Ind, Sch Mat & Chem Engn, Zhengzhou 450002, Henan, Peoples R China

来源：

OPTIK | 2019年 / 179卷

基金：

中国国家自然科学基金;

关键词：

Photoluminescence; K3YB6O12Sm3+; White light emitting diodes; Phosphor; PHOTOLUMINESCENCE PROPERTIES; LUMINESCENCE PROPERTIES; ENERGY-TRANSFER; CRYSTAL;

D O I：

10.1016/j.ijleo.2018.10.221

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A series of novel orange-red emitting phosphors K3Y1-xSmxB6O12 (x = 0.005, 0.01, 0.02, 0.03, 0.05, and 0.1) were synthesized via high temperature solid-state reaction. Their phase purity, crystal structure, photoluminescence property and decay behavior were investigated in detail. XRD results indicated the as-prepared phosphors were single-phases and crystallized in trigonal structure. Upon excitation with 403 mu, the phosphors emitted orange-red emission, which was ascribed to the (4)G(5/2) -> H-4(J) (J = 5/2, 7/2, 9/2, 11/2) transitions of Sm3+. The optimal doping concentration of Sm3+ ions in K3YB6O12 was about 0.05, beyond which the electric dipole -dipole interaction between Sm3+ and Sm3+ induced the luminescence quenching of Sm3+. The results showed that the orange-red emitting phosphors K3YB6O12:Sm3+ may have potential application in white light emitting diodes.

引用

页码：346 / 350

页数：5

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