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http://dx.doi.org/10.5757/JKVS.2011.20.3.176

Synthesis and Photoluminescence Properties of Blue Phosphor Y1-xBO3:Cex3+  

Cho, Shin-Ho (Center for Green Fusion Technology and Department of Electronic Materials Engineering, Silla University)
Publication Information
Journal of the Korean Vacuum Society / v.20, no.3, 2011 , pp. 176-181 More about this Journal
Abstract
$Y_{1-x}BO_3:Ce_x^{3+}$ ceramic phosphors were synthesized with changing the concentration of $Ce^{3+}$ ion by using a solid-state reaction method. The crystal structure, surface morphology, and optical properties of the blue phosphors were investigated by using X-ray diffractometer (XRD), scanning electron microscopy, and photoluminescence and photoluminescence excitation spectrophotometry, respectively. The XRD results showed that the main peak of the phosphor powders occurs at (401)와 ($31\bar{2}$) planes. As for the optical properties, the excitation spectrum occurred at 243 nm and the value of blue emission intensity peaking at 469 nm reached the maximum when the concentration of $Ce^{3+}$ ion was 0.10 mol.
Keywords
Blue phosphor; $YBO_3$:Ce; Luminescence;
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