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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 46, Number 1
JKCSEZ 46(1)
February 20, 2002 

Synthesis and Photoluminescence Properties of Y1-x(P1-y-zNbyVz)O4:Eux Phosphors by Modified Combinatorial Chemistry Method

조합화학 기법을 이용한 Y1-x(P1-y-zNbyVz)O4:Eux 형광체의 합성 및 빛 발광 특성
Il Woon Zeon, Kee-Sun Sohn, Hee Dong Park

전일운, 손기선, 박희동
조합화학 기법을 이용하여 청색 및 적색 발광을 하는 Y1-x(P1-y-zNbyVz)O4:Eux 형광체를 합성하였다. 합성한 Y1-x(P1-y-zNbyVz)O4:Eux 형광체에 대하여 254 nm 및 147 nm 여기 하에서의 발광 세기에 관한 라이브러리를 완성하였고, 또한 형광체의 결정성과 입자 현상은 XRD와 SEM으로 특성을 관찰하였다. 조합검색 결과로부터 Y1-x(P1-y-zNbyVz)O4:Eux 형광체의 발광특성은 P 자리에 치환되는 금속이온의 영향을 많이 받았다. 결과적으로 Y0.88PO4:Eu0.12 형광체와 비교하여 발광 효율이 우수한 새로운 Y0.88(P0.92Nb0.05V0.03)O4:Eu0.12 형광체를 찾아내었다.

The Y1-x(P1-y-zNbyVz)O4:Eux blue and red emitting phosphors were prepared by the combinatorial chemistry method. The combinatorial library was designed to investigate the luminescence of the Y1-x(P1-y-zNbyVz)O4:Eux phosphors under 254 nm and 147 nm excitations. In addition, the crystallinity and morphology of phosphors were checked by XRD and SEM. Based on the results from the combinatorial screenings, luminescent properties of phosphors are strongly dependent on the concentration of doping metal ions. It was found that a new phosphor Y0.88(P0.92Nb0.05V0.03)O4:Eu0.12 shows excellent luminescent efficiency comparing to the Y0.88PO4:Eu0.12 red phosphor.

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