Transactions on Electrical and Electronic Materials

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Photoluminescence Characteristics of Eu-doped Yttrium Oxide Submicron-sized Particles Prepared by Aerosol Pyrolysis

  • Park, Il-Woo (School of Chemical Engineering, Seoul National University) ;
  • Park, Chang-Kyun (School of Chemical Engineering, Seoul National University) ;
  • Lee, Deok-Jin (School of Electronic Engineering, Far East University) ;
  • Yoo, Jea-Soo (Department of chemical Engineering, Chung-Ang University)
  • Published : 2003.02.01
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Abstract

Europium doped yttrium oxide submicron-sized particles were prepared by ultrasonic aerosol pyrolysis. To examine the size effect of submicron-sized-particle, the photoluminescence of the particles was investigated. The particle size was controlled by pH, reaction temperature, molar concentration of yttrium in precursor solution. The PL intensity of submicron-sized particles was decreased with particles size. When the particle size is above about 150 times of Bohr radius of Y$_2$O$_3$, the optical property of the particles shows the bulk characteristics.

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References

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