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J. Korean Ceram. Soc. > Volume 37(2); 2000 > Article
Journal of the Korean Ceramic Society 2000;37(2): 134.
조합화학을 이용한 망간(2+)과 유로피움)2+)이 첨가된 Barium Hexaaluminate 형광체의 합성 및 광특성 분석
박응석, 최윤영, 손기선, 김창해, 박희동
한국화학연구소
Synthesis of Barium Hexaaluminate Phosphros Using Combinatorial Chemistry
ABSTRACT
The main objective of the present investigation is to show the feasibility of combinatorial chemistry by applying this method to phosphor syntehses. In this respect barium hexaaluminate phosphor was prepared by the split-pool combinatorial method, which enabled much more rapid search of optimum compositions of target phosphors than conventional synthetic methods. Barium hexaaluminate phosphors doped with Eu2+ exhibit blue emission while those co-doped with Mn2+ and Eu2+ exhibit green emission. Basically, the phosphor doped with 1.3 mole of Ba and 0.06~0.15 mole of Eu2+ exhibit the maximum value of emission intensity at 435${mu}{textrm}{m}$. Under the UV and VUV extitations, the barium hexaaluminate phosphor co-doped with Mn2+ and Eu2+ shows strong green emission.
Key words: $BaAl_{12}O_{19}$, $Eu^{2+}$, $Mn^{2+}$, Phosphors, Photoluminescence
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