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http://dx.doi.org/10.5012/bkcs.2006.27.6.841

Size Dependence of the Photo- and Cathodo-luminescence of Y2O2S:Eu Phosphors  

Sung, Hye-Jin (Department of Chemistry, Institute of Nanosensor and Biotechnology, Dankook University)
Ko, Ki-Young (Department of Chemistry, Kookmin University)
Kim, Hyun Soo (Department of Chemistry, Kookmin University)
Kweon, Seok-Soon (Department of Chemistry, Institute of Nanosensor and Biotechnology, Dankook University)
Park, Jong-Yun (Department of Chemistry, Institute of Nanosensor and Biotechnology, Dankook University)
Do, Young-Rak (Department of Chemistry, Kookmin University)
Huh, Young-Duk (Department of Chemistry, Institute of Nanosensor and Biotechnology, Dankook University)
Publication Information
Bulletin of the Korean Chemical Society / v.27, no.6, 2006 , pp. 841-846 More about this Journal
Abstract
$Y_2O_2S$:Eu phosphors were synthesized via solid-state reactions. $Y_2O_2S$:Eu phosphor particles of various sizes were obtained by varying the firing temperature and firing time. The photoluminescence properties of these $Y_2O_2S$:Eu phosphors were examined. In addition, the cathodoluminescence properties of the $Y_2O_2S$:Eu phosphors were examined for applied voltages of 3-8 kV. The relationship between the luminescence intensity and particle size of the$Y_2O_2S$:Eu phosphors was investigated. The photoluminescence and cathodoluminescence of the $Y_2O_2S$:Eu phosphors are affected differently by variations in particle size.
Keywords
Photoluminescence; Cathodoluminescence; $Y_2O_2S$:Eu; CNT-FED;
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