VUV-UV photoluminescence properties of Ce3+ doped Ca2SnO4 phosphor for PDP application

被引：18

作者：

Srinivas, M. ^{[1
]}

Tamboli, Sumedha ^{[2
]}

Dhoble, S. J. ^{[2
]}

机构：

[1] Osmania Univ, Dept Phys, Hyderabad 500007, Telangana, India

[2] RTM Nagpur Univ, Dept Phys, Nagpur 440033, Maharashtra, India

来源：

OPTIK | 2017年 / 145卷

关键词：

Phosphors; X-ray technique; Ce3+; VUV; Photoluminescence; LUMINESCENT PROPERTIES; EU2+; SPECTROSCOPY; TRANSITION; ROUTE; CE-3+;

D O I：

10.1016/j.ijleo.2017.07.050

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Calcium stannate oxide (Ca2SnO4) compound doped with Ce3+ rare earth ion was synthesized by conventional solid state synthesis method at 1300 degrees C. Phase confirmation and crystal structure analysis was done by obtaining its X-ray diffraction (XRD) pattern. The vacuum ultraviolet (VUV) visible spectroscopic properties were investigated. Ca2SnO4:Ce3+ phosphor possesses broad and strong absorption in VUV and UV region. Excitation peaks are present at 140nm, 174nm, 200nm and 261 nm. Ca2SnO4:Ce3+ exhibits intensive photoluminescence (PL) emission centered at 430 nm and 467 nm under VUV excitation. CIE chromaticity co-ordinates were calculated. The luminescence properties of Ca2SnO4:Ce3+ compound make it good candidate as a blue phosphor for mercury-free lamps and plasma display panel (PDP) applications. (C) 2017 Elsevier GmbH. All rights reserved.

引用

页码：202 / 208

页数：7

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