Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 592, Issue -, Pages 283-287Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2014.01.018
Keywords
Luminescence; Sr3La(PO4)(3): Eu3+; Phosphor; Orthophosphate
Categories
Funding
- scientific research foundation of Guangxi University [XBZ120573]
- National Natural Science Foundation of China [61264003]
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High-brightness red phosphor, Sr3La(PO4)(3): Eu3+ was prepared by the solid-state reaction for the first time. Its photo-luminescent property was investigated and the optimum concentration of Eu3+ doped in the Sr3La(PO4)(3) is 80 mol%. High quenching concentration in this phosphor is due to weak energy transfer effect between Eu3+ ions. Sr3La(PO4)(3): Eu3+ exhibited good thermal stability and its emission intensity decreased slightly at temperature above 150 degrees C. The fabricated phototype LEDs with Sr3La(PO4)(3): 0.80Eu(3) and 395 nm-emitting InGaN chips exhibit bright red emission, indicating that this phosphor is a promising candidate as a red component for NUV LEDs application. (C) 2014 Elsevier B.V. All rights reserved.
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