Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
권호 표지

Effect of Dy addition on $Zn_2SiO_4:Tb$ green Phosphor

$Zn_2SiO_4:Tb$ 녹색 형광체의 Dy 첨가 효과

  • 임원빈 (한국과학기술원 재료공학과) ;
  • 강종혁 (한국과학기술원 재료공학과) ;
  • 이동진 (한국과학기술원 재료공학과) ;
  • 전덕영 (한국과학기술원 재료공학과)
  • Published : 2003.07.10
Download PDF
⟨ Previous Next ⟩

Abstract

Due to a low efficiency of phosphor with large Stoke shift in Vacuum Ultra Violet (VUV) excitation environment, new PDP phosphors which can be excited in UV excitation environment need to be developed. In this study, $Zn_2SiO_4:Tb$ phosphor was synthesized by solid-state reaction method at $1300^{\circ}C$ with varying Tb concentration, and its cross relaxation effect was observed by Photoluminescence (PL) measurement. In order to decrease $^5D_3{\to}7F_j$ transition with blue emission in $Zn_2SiO_4:Tb$ phosphor, Dy, co-activator element, was added to $Zn_2SiO_4:Tb$ phosphor. In 254nm excitation environment, broad-emission peak was observed around 524nm, green emission.

Keywords