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Hollow Spherical CaMoO4:Eu3+, Li+ Phosphors Prepared by Spray Pyrolysis

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Abstract:

Hollow spherical CaMoO4:Eu3+, Li+ red phosphors have been successfully synthesized by spray pyrolysis method. The crystalline phase, morphology and luminescent properties of the obtained samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence emission spectra (PL). The XRD results demonstrated that all the diffraction peaks of the samples can be well indexed to the tetragonal phase of CaMoO4. The SEM images showed that the particles were composed of hollow spheres, whose diameters are about 1.4 μm. The as-prepared CaMoO4:Eu3+, Li+ hollow spheres show a strong red emission corresponding to the 5D0-7F2 transition of the Eu3+ ions under ultraviolet light.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

563-566

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.563

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Online since:

January 2013

Authors:

Xia Wang, Chang Cheng Liu, Zhen Hua Liang, Gui Hua Peng, Xiao Bao Han

Keywords:

CaMoO4:Eu3+Li+, Hollow Spheres, Red Phosphor, Spray Pyrolysis

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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