Plasmachemical modification effect on luminescence of AIIBVI phosphors

被引：5
|
作者：
Sychov, Maxim [1 ]
Ogurtsov, Konstantin [1 ]
Ponyaev, Alexandr [1 ]
Nakanishi, Yoichiro [2 ]
Kominami, Hiroko [2 ]
Hara, Kazuhiko [2 ]
Mimura, Hidenori [2 ]
机构：
[1] Tech Univ, St Petersburg State Inst Technol, St Petersburg 190013, Russia
[2] Shizuoka Univ, Elect Res Inst, Naka Ku, Hamamatsu, Shizuoka 4328011, Japan
来源：
JOURNAL OF LUMINESCENCE | 2014年 / 156卷
关键词：
A(II)B(VI) phosphors; Plasma; Luminescence; ZnS; Capsulation; STRONTIUM ALUMINATE PHOSPHORS; ENCAPSULATION;
D O I：
10.1016/j.jlumin.2014.07.012
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigated the effect of processing conditions in low-temperature plasma on luminescent characteristics of A(II)B(VI) phosphors. As a result of treatment, the luminescence spectra of all tested phosphors shifted to longer wavelengths, which was caused by change of quantities of luminescent centers due to the redistribution (diffusion) of the activator in the crystal lattice. In the case of ZnS:Cu,Cl and ZnS:Cu,Al phosphors brightness increased as a result of treatment. Therefore when phosphors were plasma coated with protective MgO encapsulation both brightness and stability were improved at the same time. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：69 / 73
页数：5
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