Luminescence properties of a novel orange emission long persistent phosphor CaO:Sm3+

被引：17

作者：

Jin, Yahong ^{[1
]}

Hu, Yihua ^{[1
]}

Chen, Li ^{[1
]}

Wang, Xiaojuan ^{[1
]}

Ju, Guifang ^{[1
]}

Mou, Zhongfei ^{[1
]}

Liang, Feng ^{[1
]}

机构：

[1] Guangdong Univ Technol, Sch Phys & Optoelect Engn, Guangzhou 510006, Guangdong, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 311卷

基金：

中国国家自然科学基金;

关键词：

Luminescence; CaO:Sm3+; Orange emission; Long afterglow; Defects; WHITE AFTERGLOW PHOSPHOR; LASTING PHOSPHORESCENCE; TB3+; RED; MECHANISM; DESIGN;

D O I：

10.1016/j.optcom.2013.08.086

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel Sm3+-doped CaO phosphor was synthesized by a traditional high temperature solid-state reaction method. The luminescence properties were studied and orange long afterglow was observed for the first time. The dependence of photoluminescence (PL) and long afterglow (LAG) properties on Sm3+ contents were investigated systematically. The optimal concentrations of Sm3+ ions for the best PL and LAG properties were experimentally to be 0.4 and 0.3 mol%, respectively. After irradiation by 254 nm for 3 min, the duration of orange afterglow can last nearly 40 min. The traps caused by the incorporation of Sm3+ ions are responsible for the generation of orange LAG. The mechanism of LAG was also illustrated briefly. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：266 / 269

页数：4

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