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Morphology and luminescence properties of BaMgAl10O17:Eu2+ blue phosphors by Aerosol Flame Deposition

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Abstract

BaMgAl10O17:Eu2+ (BAM:Eu) is widely used as a blue phosphor for fluorescent lamps and plasma display panels (PDP). The improvement of the luminescence efficiency is a significant issue for applications in plasma display panels. In this study, the Aerosol Flame Deposition (AFD) was applied to fabricate BaMgAl10O17:Eu2+ (BAM:Eu) particles with spherical shape and fine size in order to improve their luminescence. The sub-micrometer powder was synthesized in spherical shape in an oxy-hydrogen flame and deposited on a substrate in the form of porous film. The particle size of as-prepared powder increased with increasing the concentration of precursor solution and the heat treatment under reducing atmosphere increased particle size additionally with surface roughening due to the needle-like crystallized phases. Photoluminescence spectrum was observed at about 450nm due to the 5d–4f transition of Eu2+ and the intensity of phosphor was as high as 70% of that of the commercial phosphor.

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Acknowledgements

This work was supported by the Seoul Research and Business Development Program (Grant No.10583).

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  1. Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea

    Sang Won Ko & Dongwook Shin

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  1. Sang Won Ko
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  2. Dongwook Shin
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Correspondence to Dongwook Shin.

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Ko, S.W., Shin, D. Morphology and luminescence properties of BaMgAl10O17:Eu2+ blue phosphors by Aerosol Flame Deposition. J Electroceram 23, 410–414 (2009). https://doi.org/10.1007/s10832-008-9479-1

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  • DOI: https://doi.org/10.1007/s10832-008-9479-1

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