Synthesis and characterization of Y₂O₃: Eu³⁺ powder phosphor by a hydrolysis technique

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1998_14_MRS.pdf (346.01 KB)
Author(s)
Jiang, Yongdong
Wang, Z. L. (Zhong Lin)
Zhang, Fuli
Paris, Henry G.
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http://hdl.handle.net/1853/27350
Abstract
A forced hydrolysis technique is used for preparing Y₂O₃: Eu³⁺ powders at low processing temperatures. The technique uses yttrium oxide, europium oxide, nitric acid and urea, and has the potential for large-scale production for industrial applications. Several experimental conditions have been examined to optimize the luminescence efficiency. The best result was found to be at 2 mol% Eu doping and a 2 hour firing of 1400°C. Micro-structural information provided by x-ray diffraction, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) have been applied to interpret the observed luminescent properties
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1998-10
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