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J. Korean Ceram. Soc. > Volume 48(3); 2011 > Article
Journal of the Korean Ceramic Society 2011;48(3): 241.
doi: https://doi.org/10.4191/kcers.2011.48.3.241
고상법에 의한 Sr3Al2O6 형광체의 분말합성 및 발광특성
김수진, 원형일1, 원창환, Hayk Nersisyan1
충남대학교 신소재공학과
1급속응고신소재연구소
Synthesis of Sr3Al2O6 Phosphors by Solid State Reaction and Its Luminescent Properties
Sue-Jin Kim, Hyung-Il Won1, Chang-Whan Won, Hayk Nersisyan1
Department of Materials Science and Engineering, Chungnam National University
1Rapidly Solidified Materials Research Center(RASOM)
ABSTRACT
A red strontium aluminate phosphor ($Sr_3Al_2O_6:Eu^{3+},Eu^{2+}$) is synthesized using a solid state reaction method in air and reducing atmosphere. The investigation of firing temperature indicates that a single phase of $Sr_3Al_2O_6$ is formed when the firing temperature is higher than $1300^{circ}C$. The effect of firing temperature and doping concentration on luminescent properties are investigated. $Sr_3Al_2O_6$ phosphor exhibits the typical red luminescent properties of $Eu^{3+}$ and $Eu^{2+}$.
Key words: Phosphor, $Sr_3Al_2O_6:Eu^{2+}$, $Sr_3Al_2O_6:Eu^{3+}$, Solid state reaction
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