Liu F.-W.Hsu C.-H.Chen F.-S.Lu C.-H.2019-05-132019-05-13201202728842https://scholars.lib.ntu.edu.tw/handle/123456789/407401Europium doped yttrium oxide phosphors were synthesized by a rapid microwave-assisted solvothermal method. The microwave processing time for synthesizing the precursors of Y 2O 3:Eu 3+ powders was as short as 5 min. After calcination at 600 ¢XC, a well-crystallized pure phase of Y 2O 3:Eu 3+ was obtained. The morphology of the precipitated powders was spherical and composed of nano-sized grains. As the microwave irradiation time was increased, the average particle size of the spherical powders increased, and the crystallinity of heat-treated powders was also enhanced. The synthesized powders retained the spherical morphology after heating treatments. An intense red emission at 611 nm was assigned to the 5D 0- 7F 2 transition of Eu 3+. ? 2011 Elsevier Ltd and Techna Group S.r.l. All rights reserved.D. Y 2O 3MethanolMicrowaveSolvothermalSphericaljournal article10.1016/j.ceramint.2011.09.0442-s2.0-83555163579https://www.scopus.com/inward/record.uri?eid=2-s2.0-83555163579&doi=10.1016%2fj.ceramint.2011.09.044&partnerID=40&md5=d31375debcdf88018ba6e7e23e13fac0