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Luminescence Properties of Rare Earth Activated Aluminates Based Phosphor
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Luminescence Properties of Rare Earth Activated Aluminates Based Phosphor

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Abstract:

A blue emitting phosphor BaAl2O4 doped with Gd3+ were prepared by combustion method at 5000C. The prepared phosphor were investigated by X-ray Diffraction to determine the crystalinity. Photoluminescence emission spectra centred at 369 nm under ultraviolet region, which corresponds to 5d-4f transition of Gd3+ ions. The PL spectra showed strong emission peak intensity and extending to 400nm to 453nm.Concentration quenching mechanism were occurred about 1mol% of Gd3+ ion. The results revealed that phosphor prepared by using combustion method can be useful WLED.

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Periodical:

Journal of Metastable and Nanocrystalline Materials (Volume 28)

Pages:

115-119

DOI:

https://doi.org/10.4028/www.scientific.net/JMNM.28.115

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Online since:

December 2016

Authors:

Anupam Selot*, Kapil Dev, Mahendra Aynyas, Sanjay Bhatt

Keywords:

Phosphor, Photo Luminescence, XRD

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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