Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Synthesis of $Y_2O-# : Eu$ Added the Group 1 or 2 Elements Using Complex-Polymerization and its Luminescent Properities

착제중합법에 의한 1, 2족 원소가 $Y_2O-# : Eu$ 형광체의 합성광 발광특성

  • Park, Sang Mi (Chemistry, Korea University) ;
  • Kim, Chang Hae (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Park, Joung Kyu (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Park, Hee Dong (Advanced Materials Division, Korea Research Institute of Chemical Technology) ;
  • Jang, Ho G. (Chemistry, Korea University)
  • Published : 20010600
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Abstract

Europium activated yttrium oxide ($Y_2O_3$ : Eu) is extensively applied to red phosphor for Flat Panel Display because of its high efficiency and the thermal and chemical stability. Flat Panel Display screen which have a high resolution and high efficiency needs to the phosphors of ideally small size spherical particle. In this study, we prepared a $Y_2O_3$ : Eu phosphor using polymeric precursor methods and investigated the codoping effect by introducing the group 1 or 2 elements to $Y_2O_3$ : Eu phosphor in view of improvement of luminance efficiency.

$Y_2O_3$: Eu 형광체는 고효율, 열적 화학적 안정성을 갖고 있어서 평판 표시 소자용 적색 형광체로 널리 사용되고 있다. 고분해능과 고효율을 가지는 평판 표시 소자는 작은 크기의 구형 입자를 가진 형광체를 필요로 한다. 본 연구에서는 착체 중합법을 이용하여 100-300nm크기의 $Y_2O_3$ : Eu 형광체를 제조하였고 1족 혹은 2족 원소를 첨가하여 발광특성에 대한 영향을 검토하였다.

Keywords

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