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A Novel Blue-Emitting Phosphor MgAl(PO4)O: Eu2+ for White LEDs

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Abstract:

A novel blue phosphor based on phosphate host matrix, MgAl(PO4)O doped with Eu2+ was prepared by solid state reaction. The phosphor invariably emits blue luminescence with a peak wavelength at around 450 nm under ultraviolet excitation. The excitation spectrum showed that the phosphor can be efficiently excited by UV-visible light from 250 nm to 420 nm, which is coupled well with the emission of UV LED (350-410 nm). The results indicated that this novel phosphor may become the candidate of blue radiation-converting phosphor for white light emitting diodes in the further.

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Periodical:

Advanced Materials Research (Volumes 311-313)

Pages:

1222-1226

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.311-313.1222

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Online since:

August 2011

Authors:

Yuan Yuan Xu, Zhi Guo Song, Zhao Yi Yin, Da Cheng Zhou, Rong Fei Wang, Chen Li, Jian Bei Qiu

Keywords:

Blue Emission, Eu2+ Doped, MgAl (PO4) O, White LEDs

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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