Title:
Synthesis and characterization of Y₂O₃: Eu³⁺ powder phosphor by a hydrolysis technique
Synthesis and characterization of Y₂O₃: Eu³⁺ powder phosphor by a hydrolysis technique
Authors
Jiang, Yongdong
Wang, Z. L. (Zhong Lin)
Zhang, Fuli
Paris, Henry G.
Summers, Christopher J.
Wang, Z. L. (Zhong Lin)
Zhang, Fuli
Paris, Henry G.
Summers, Christopher J.
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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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