Luminescence properties of novel yellowish-green-emitting phosphor KBaBP2O8:Tb3+

被引：15

作者：

Han, Bing ^{[1
]}

Zhang, Jie ^{[1
]}

Li, Pengju ^{[1
]}

Shi, Hengzhen ^{[1
]}

机构：

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

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2014年 / 211卷 / 11期

基金：

中国国家自然科学基金;

关键词：

doping; KBaBP2O8; luminescence; phosphors; terbium; PHOTOLUMINESCENCE PROPERTIES; ENERGY-TRANSFER; WHITE LEDS; TB3+; LI+; DISPLAYS; EMISSION; FIELD; HOST;

D O I：

10.1002/pssa.201431204

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of novel yellowish-green-emitting K1+xBa1-2xTbxBP2O8 (0.02x0.15) phosphors were first synthesized by a high-temperature solid-state reaction method, and their phase purity as well as photoluminescence properties were investigated by X-ray diffraction (XRD) and fluorescence spectroscopy (FS) measurements, respectively. The influence of the doping concentration of Tb3+ on its relative emission intensity and decay behavior was systematically investigated. The critical distance as well as the concentration-quenching mechanism was calculated and confirmed. The as-prepared phosphor can be excited effectively with a 370nm light, and exhibit yellowish-green emission with a short decay time of the order of millisecond. The above work indicates this phosphor could be a potential candidate as a yellowish-green-emitting phosphor for application in white-light-emitting diodes.

引用

页码：2483 / 2487

页数：5

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