Comparison of YAG: Eu phosphors synthesized by supercritical water in batch and continuous reactors
作者： Min-Jae Yoon , Yoan-Sang Bae , Sang-Ha Son , Jae-Wook Lee , Chang-Ha Lee
DOI: 10.1007/S11814-007-0058-Y
关键词: Particle size 、 Yttrium 、 Phosphor 、 Calcination 、 Continuous reactor 、 Mineralogy 、 Doping 、 Luminescence 、 Chemical engineering 、 Supercritical fluid 、 Materials science
摘要: Luminescent yttrium aluminum garnet (YAG, Y3Al5O12) nanoparticles doped with Eu (10 at%) were synthesized in batch-type and continuous-type supercritical water (SCW) reactors. In the case of SCW method, particles YAG: phosphors much smaller demonstrated a uniform spherical-like shape. Inversely, needle-like or elliptical-like shape was formed because finite amount time required to reach conditions from ambient conditions. However, emission intensity by using method stronger. Therefore, it is concluded that superior viewpoint particle size shape, but luminescence property needs be improved. addition, calcination process slightly improved intensities generated either methods.
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