대한금속재료학회지 (Korean Journal of Metals and Materials)

  • 제50권6호
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  • Pages.439-443
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  • 2012
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  • 1738-8228(pISSN)
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  • 2288-8241(eISSN)
대한금속재료학회 (The Korean Institute of Metals and Materials)
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Teflon을 이용한 YAG:Ce 형광체 합성

Combustion Synthesis of YAG:Ce Phosphor with Teflon

  • 연정운 (충남대학교 신소재공학과) ;
  • 원창환 (충남대학교 신소재공학과) ;
  • 원형일 (충남대학교 신소재공학과) ;
  • 투고 : 2011.12.27
  • 발행 : 2012.06.25
⟨ 이전 논문 다음 논문 ⟩

초록

YAG:Ce phosphor were prepared in a self-propagating high-temperature synthesis (SHS) using a $1.5Y_2O_3+2.5Al_2O_3+0.116CeO_2+3.0KClO_3+kCO(NH_2)_2+m(C_2F_4)_n$ precursor mixture. The heat for the combustion propagation was provided by the reaction of a $KClO_3+CO(NH_2)_2+(C_2F_4)n$ mixture. Pure-phase YAG phosphor was synthesized at the combustion temperature of $1210^{\circ}C$ from k=3.6 mole and m=0.3 mole. The as-prepared YAG:Ce phosphor had a particle size of $2-10{\mu}m$. The addition of Teflon to the precursor mixture increased the YAG particle size and its luminescent intensity. The emission peak of the YAG phosphor was blue-shifted with an increase of Teflon concentration.

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참고문헌

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