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Sol-Gel Preparation and Characterizations of Europium-Ion Doped Barium Magnesium Aluminate

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Abstract:

The photoluminescent properties of BaMgAl10O17: Eu2+ synthesized via a sol-gel process employing citric acid (CA) and ethylene glycol (EG) were investigated in this study. The photoluminescence intensity of Eu2+ emission increased with increase in the doping concentration of Eu2+ up to 15 at %. The photoluminescence intensity of BaMgAl10O17: Eu2+ also varied with the EG: CA ratio. SEM investigation indicates that the sol-gel derived particles exhibited an irregular shape. The EPR studies showed that Eu2+ ions occupied the sites with non-cubic symmetry in the prepared phosphors.

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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

93-96

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.93

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Online since:

August 2006

Authors:

Chung Hsin Lu, Chien Hao Huang, Chung Tao Chen, Sheng Min Wang, Shu Jiuan Huang, Dorcas Zhang, Ramakant Kadam

Keywords:

Barium Magnesium Aluminate, EPR, Phosphor, Sol-Gel (SG)

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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