Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Hydrothermal Synthesis of Red-Emitting Y(V0.5,P0.5)O4:Eu Nanophosphors and their Application to Transparent Plasma Display Fabrication

적색발광 Y(V0.5,P0.5)O4:Eu 나노형광체의 수열 합성 및 투명 플라즈마 디스플레이 소자 제작으로의 응용

  • Song, Woo-Seuk (Department of Materials Science and Engineering, Hongik University) ;
  • Yang, Hee-Sun (Department of Materials Science and Engineering, Hongik University)
  • 송우석 (홍익대학교 신소재공학과) ;
  • 양희선 (홍익대학교 신소재공학과)
  • Received : 2010.08.18
  • Accepted : 2010.10.18
  • Published : 2011.01.31
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Abstract

Transparent plasma display can be realized by developing the synthetic chemistry of appropriate nanophosphors and generating nanophosphor-based transparent luminescent layers. For this goal, red-emitting $Y(V_{0.5},\;P_{0.5})O_4$:Eu nanophosphors were synthesized by a facile hydrothermal route at $200^{\circ}C$ for 48 h and the resulting nanophosphors were subsequently annealed at $800^{\circ}C$ at an ambient atmosphere. The crystallographic structure, morphology, and emission property of the as-synthesized and annealed nanophosphors were compared. Choosing 2-methoxyethanol as a dispersion medium and applying a standard sonication, well-dispersed nanophosphor solutions could be prepared. Using these dispersions, visible transparent nanophosphor layers were spin-deposited on glass substrates. By combining $Y(V_{0.5},\;P_{0.5})O_4$:Eu nanophosphor layer/glass substrate as a rear plate with a front plate used in a conventional plasma display panels (PDPs), mini-sized transparent red-emitting PDPs were constructed. Transmittance and luminance properties of two transparent test panels using as-synthesized versus $800^{\circ}C$-annealed nanophosphors were characterized and compared.

Keywords

References

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