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A Novel Tick Film Nanocrystalline Y2O3:Eu3+ Phosphor Synthesized by Post-Dispersion Treatment at Low Temperature

Published online by Cambridge University Press:  01 February 2011

Sung-Jei Hong ,
Min-Gi Kwak ,
Dae-Gyu Moon ,
Won-Keun Kim  and
Jeong-In Han
Sung-Jei Hong
Affiliation:
Information Display Research Center, Korea Electronics Technology Institute, #455–6, MaSan, JinWi, PyungTack, KyungGi, 451–865, Korea
Min-Gi Kwak
Affiliation:
Information Display Research Center, Korea Electronics Technology Institute, #455–6, MaSan, JinWi, PyungTack, KyungGi, 451–865, Korea
Dae-Gyu Moon
Affiliation:
Information Display Research Center, Korea Electronics Technology Institute, #455–6, MaSan, JinWi, PyungTack, KyungGi, 451–865, Korea
Won-Keun Kim
Affiliation:
Information Display Research Center, Korea Electronics Technology Institute, #455–6, MaSan, JinWi, PyungTack, KyungGi, 451–865, Korea
Jeong-In Han
Affiliation:
Information Display Research Center, Korea Electronics Technology Institute, #455–6, MaSan, JinWi, PyungTack, KyungGi, 451–865, Korea
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Abstract

In this study, a novel thick film nanocrystalline phosphor is synthesized by using postdispersion treatment at low temperature. The post-dispersion treatment is to prevent the agglomeration between the precursors by mixing the organic dispersing agent with them before heat-treatment. The mean size of the particle heat-treated at 500°C is 4nm. Also, europium is uniformly distributed in the yttrium oxide with deviation below 0.5%. The nanocrystalline phosphor is principally composed of cubic structure having preferred orientation of <222>, <440>, and <400>. The photoluminescence properties of the nanocrystalline phosphor characterized with monochrometric systems reveals that the main PL peak is detected at 611 nm, and thick film nanocrystalline phosphor with 15wt% europium exhibits better properties.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 789 , 2003 , N3.25
Copyright
Copyright © Materials Research Society 2004

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References

REFERENCES

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