Synthesis of Y3Al5O12: Eu2+ phosphor by a facile hydrogen iodide-assistedsol-gel method

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[1] Zhu, Qiang Qiang
[2] Hu, Wei Wei
[3] Ju, Li Chen
[4] Hao, Lu Yuan
[5] Xu, Xin
[6] Agathopoulos, Simeon
来源：
Xu, X. (xuxin@ustc.edu.cn) | 1600年 / Blackwell Publishing Inc., Postfach 10 11 61, 69451 Weinheim, Boschstrabe 12, 69469 Weinheim, Deutschland, 69469, Germany卷 / 96期
关键词：
Pure yttrium aluminum garnet (YAG) phosphor doped with Eu2+ has been successfully synthesized by a facile sol-gel method. The use of hydrogen iodide aimed to get Eu2+ ions; confirmed by X-ray absorption near-edge structure (XANES) analysis. Nearly spherical and well dispersed particles were synthesized. The produced YAG:Eu2+ phosphor powder had a broad emission band in the range of 400-600 nm with a peak at 480 nm; attributed to the allowed 4f7-4f65d1 transition of electrons in Eu2+ ions. The proposed method could also be expanded to prepare many other Eu2+-doped phosphors with a solution method. © 2013 The American Ceramic Society;
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