Photoluminescence properties of NaLa(WO4)2:Tb3+ novel green phosphors prepared by the combustion method

被引：0

作者：

Qian, Xianhua ^{[1
]}

Pu, Xipeng ^{[1
]}

Zhang, Dafeng ^{[1
]}

Cui, Shicai ^{[2
]}

Gao, Yanyan ^{[1
]}

机构：

[1] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252000, Shandong, Peoples R China

[2] Liaocheng Univ, Sch Architecture & Civil Engn, Liaocheng 252000, Shandong, Peoples R China

来源：

FRONTIER OF NANOSCIENCE AND TECHNOLOGY | 2011年 / 694卷

基金：

中国国家自然科学基金;

关键词：

NaLa(WO4)(2):Tb3+; Phosphor; Combustion method; Luminescence; LUMINESCENCE PROPERTIES; EU3+;

D O I：

10.4028/www.scientific.net/MSF.694.513

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A series of NaLa(WO4)(2):Tb3+ green phosphors have been prepared by a facile combustion method. X-ray powder diffraction (XRD) and photoluminescence were used to characterize the structure and luminescence properties of as-synthesized phosphors, respectively. The XRD results confirm that the as-synthesized phosphors exhibit sheelite-type structure without any impurity phase. The excitation band of the phosphors covers a wide region of 200-300 nm. The as-obtained phosphors emit strong green light centered at 546 nm under ultraviolet light excitation (261 nm). The results show that the optimum temperature is 800 degrees C and the optimum concentration of Tb3+-dopant is 50 at%.

引用

页码：513 / +

页数：2

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