Sr2B2P2O10:Eu2+,Mn2+,Ba2+: A Potential Single-Phase White Light-Emitting Phosphor for UV Light Emitting Diodes

被引：34

作者：

Li, Panlai ^{[1
]}

Wang, Zhijun ^{[1
]}

Yang, Zhiping ^{[1
]}

Guo, Qinglin ^{[1
]}

机构：

[1] Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2010年 / 157卷 / 05期

基金：

中国国家自然科学基金;

关键词：

barium; boron compounds; doping; europium; light emitting diodes; manganese; phosphors; radiation quenching; strontium compounds; ENERGY-TRANSFER; YELLOW PHOSPHOR; LUMINESCENCE; CE3+; EU2+;

D O I：

10.1149/1.3328178

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

White light emission is generated by combining the blue and red emissions of Eu2+ and Mn2+, respectively, and by adding the co-doping element Ba2+ in a single host lattice of Sr2B2P2O10. The effect of Eu2+ concentration on the emission intensity of Sr2B2P2O10:Eu2+ is studied, and the emission intensity reaches a maximum at 1% Eu2+. Energy migration over Eu2+ sites occurs, resulting in concentration quenching, and the concentration quenching mechanism is d-d interaction by Dexter theory. Eu2+ exhibits a high absorption in the near-UV region, and energy transfer from Eu2+ to Mn2+ occurs in Sr2B2P2O10:Eu2+,Mn2+. When Ba2+ is introduced in Sr2B2P2O10:Eu2+,Mn2+, a green emission band appears and white light is obtained. The results indicate that Sr2B2P2O10:Eu2+,Mn2+,Ba2+ is an efficient "single host lattice phosphor" for solid-state lighting technology using a UV light emitting diode to generate white light.

引用

页码：H504 / H509

页数：6

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