Wet Chemical Synthesis and Luminescence in Cas(PO4)3M:Eu2+ (M = Br, I) Phosphors for Solid State Lighting

被引：3
作者：
Mungmode, C. D. [1 ]
Gahane, D. H. [2 ]
Moharil, S. V. [3 ]
机构：
[1] Mahatma Gandhi Coll, Dept Phys, Armori 441208, MS, India
[2] Nevajabai Hitkarini Coll, Dept Phys, Bramhapuri 441208, MS, India
[3] RTM Nagpur Univ, Dept Phys, Nagpur 440010, MS, India
来源：
2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC-2017) | 2018年 / 1953卷
关键词：
Photoluminescence; phosphor; solid state lighting; excitation;
D O I：
10.1063/1.5032768
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A simple wet chemical synthesis of Eu2+ activated Ca-5(PO4)(3)Br and Ca-5(PO4)(3)I phosphors and their photoluminescence is reported. Formation of Ca-5(PO4)(3)Br is confirmed by X-ray diffraction (XRD). Synthesized phosphors are analyzed for photoluminescence (PL) spectrum. A bright blue emission is observed when phosphors are excited by near Ultra Violet (nUV) radiations. Photoluminescence emission spectrum for (Ca0.985Eu0.015)(5)(PO4)(3)Br is centered at 457 nm and for (Ca0.985Eu0.015)(5)(PO4)(3)I it peaks at 455 nm when excited by 365 nm near UV radiation. Eu2+ luminescence in Ca-5(PO4)(3)Br is reported for the first time. The phosphors can be efficiently excited by nUV radiations. This shows that phosphors may be used as blue phosphor in pcLED for Solid State Lighting.
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页数：4
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