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Intensive emission of Dy3+ in NaGd( PO3)4 for Hg-free lamps application
被引:61
|作者:
Zhong, Jiuping
[1
]
Liang, Hongbin
[1
]
Han, Bing
[1
]
Tian, Zifeng
[1
]
Su, Qiang
[1
]
Tao, Ye
[2
]
机构:
[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Optoelect Mat & Technol, MOE Lab Bioinorgan & Synth Chem, Guangzhou 510275, Guangdong, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Lab Beijing Synchrotron Radiat, Beijing 100039, Peoples R China
来源:
关键词:
D O I:
10.1364/OE.16.007508
中图分类号:
O43 [光学];
学科分类号:
070207 ;
0803 ;
摘要:
The phosphor NaGd(PO3)(4):Dy3+ was synthesized by solid-state reaction technique at high temperature. The vacuum ultraviolet (VUV)-UV excitation spectra and visible emission spectra under VUV/UV excitation were investigated. The sample NaGd(PO3)(4):Dy3+ showed suitable spectroscopic characteristics such as broad and strong absorption around 172 nm, intensive emission with the chromaticity coordinates (0.33, 0.38) in warm-white light region. Additionally, this efficient white-emitting phosphor is activated by a single Dy3+ ion and with a lower preparation temperature, which tend to decrease the consumption of rare earth resource and energy. Therefore, the phosphor NGP:Dy3+ may be considered as a suitable candidate for Hg-free lamps application. (C) 2008 Optical Society of America.
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页码:7508 / 7515
页数:8
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