Blue emission in Eu2+ activated MgXAl10O17 (X = Sr, Ca) phosphors

被引：7
|
作者：
Pawade, V. B. [1 ]
Dhoble, S. J. [2 ]
机构：
[1] Dept Appl Phys VNIET, Nagpur 440023, Maharashtra, India
[2] RTM Nagpur Univ, Dept Phys, Nagpur 440033, Maharashtra, India
来源：
OPTIK | 2012年 / 123卷 / 20期
关键词：
Combustion synthesis; Phosphors; Luminescence; XRD; Curve fitting analysis; OPTICAL-PROPERTIES; EMITTING PHOSPHOR; LUMINESCENCE; UV; PHOTOLUMINESCENCE; SRAL2O4-EU2+; EXCITATION; AFTERGLOW;
D O I：
10.1016/j.ijleo.2012.03.086
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Here we reported photoluminescence properties of Eu2+ activated in novel and existing MgXAl10O17 (X = Sr, Ca) phosphor which has been prepared by combustion synthesis at 550 degrees C under UV and near UV excitation wavelength. The PL emission properties of MgSrAL(10)O(17):Eu2+ were monitored at 254 nm and 354 nm respectively keeping emission wavelength at 469 nm. Whereas novel MgCaAl10O17:Eu2+ exhibit emission band at 452 nm keeping excitation at 378 nm. These blue emission corresponds to 4f(6)5d(1) -> 4f(7) transition of Eu2+ ions. Further phosphor was analyzed by XRD for the confirmation of desired phase and purity. (c) 2012 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1879 / 1883
页数：5
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