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J. Korean Ceram. Soc. > Volume 46(6); 2009 > Article
Journal of the Korean Ceramic Society 2009;46(6): 679.
doi: https://doi.org/10.4191/kcers.2009.46.6.679
졸겔법으로 합성된 Mal2O4:Eu2+(M=Sr,Ba,Ca)의 특성
임규, 김용현, 이형직1, 김세기2, 이형복
명지대학교 신소재공학과
1강릉대학교 세라믹공학과
2한국세라믹기술원 전자세라믹본부 전자.광소재센터
Characterization of MAl2O4:Eu2+(M=Sr,Ba,Ca) Synthesised by Sol-gel Method
Kyu Lim, Young-Hyun Kim, Hyung-Jik Lee1, Sei-Ki Kim2, Hyung-Bock Lee
Department of Material Science & Engineering, Myongji University
1Department of Materials Science & Engineering, Kang-Nung University
2Electronic Materials Laboratory, Korea Institute of Ceramic Engineering & Technology
Phosphors of $Eu^{2+}$ doped alkaline earth aluminates MA$l_2O_4:Eu^{2+}$ (M=Sr, Ba, Ca) have been prepared by sol-gel process and their characterization of photoluminescence and photocurrent properties have been performed. The phosphors prepared by sol-gel process, due to its advantage of better homogeneity and low synthetic temperature, was synthesized as single phases at lower temperature than the solid-state process; $800{sim}1000{^{circ}C}$ for 6 h under mild reduction atmosphere (Ar- 3% $H_2$). It was confirmed that SrA$l_2O_4:Eu^{2+}$ composition revealed the most excellent properties in the brightness and photocurrent.
Key words: Europium oxide, Sol-gel, Strontium acetate, Barium acetate, Calcium acetate
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