Dual emission of Ce3+,Mn2+-coactivated Ca3YNa(PO4)3F via energy transfer: a single component white/yellow-emitting phosphor

被引：4

作者：

Guan, Anxiang ^{[1
]}

Yao, Chunying ^{[1
]}

Wang, Guofang ^{[1
]}

Fu, Anjie ^{[1
]}

Zhou, Liya ^{[1
]}

Meng, Yingbin ^{[1
]}

Wang, Qiuping ^{[1
]}

机构：

[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China

来源：

LUMINESCENCE | 2017年 / 32卷 / 04期

关键词：

energy transfer; luminescence; optical properties; phosphors; NEAR-UV LEDS; PHOTOLUMINESCENCE PROPERTIES; LUMINESCENCE PROPERTIES; TB3+ PHOSPHOR; MN2+; CE3+; DIODES;

D O I：

10.1002/bio.3208

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A series of Ce3+,Mn2+-coactivated Ca3YNa(PO4)(3)F phosphors were synthesized via a traditional solid-state reaction under a reductive atmosphere. X-Ray powder diffraction was used to confirm that the crystal structure and diffraction peaks of Ce3+/Mn2+-doped samples matched well with the standard data. A spectral overlap between the emission band of Ce3+ and the excitation band of Mn2+ suggested the occurrence of energy transfer from Ce3+ to Mn2+. With increasing Mn2+ content, the emission intensities and lifetime values of the Ce3+ emission for Ca3YNa(PO4)(3)F:Ce3+,Mn2+ phosphors linearly decrease, whereas the energy transfer efficiencies gradually increase to 89.35%. By adjusting the relative concentrations of Ce3+ and Mn2+, the emission hues are tuned from blue to white and eventually to yellow. These results suggest that Ca3YNa(PO4)(3)F:Ce3+,Mn2+ phosphors have promising application as white-emitting phosphors for near-ultraviolet light-emitting diodes.

引用

页码：529 / 534

页数：6

共 22 条

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