Luminescence Characterization and Synthesis of γ-LiAlO2:Eu3+ by Gel Combustion
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2011年第3期
论文作者：吉红新 吉红新
文章页码：434 - 438
摘 要：γ-LiAlO2:Eu3+（Eu3+:LAO） phosphor was obtained by gel combustion method using LiNO3,Al（NO3）3·9H2O,Eu（NO3）3·6H2O and citric acid as raw materials.The structure,morphology and luminescence were characterized by means of X-ray diffraction （XRD）,scanning electron microscopy （SEM）,photoluminescence （PL）.The results demonstrated that the phosphor was pure-phase of flaky tetragonal crystal system with a mean size of around 1 μm.The strongest excitation peak was at 254 nm,belonging to the broadband excitation and the maximum emission peak was at 613 nm,corresponding to the 5D0→7F2 transition of Eu3+.Luminous intensity is closely related to the calcination temperature and doping concentration of Eu3+.
吉红新，杨定明
School of Materials Science and Engineering,Southwest University of Science and Technology
摘 要：γ-LiAlO2:Eu3+（Eu3+:LAO） phosphor was obtained by gel combustion method using LiNO3,Al（NO3）3·9H2O,Eu（NO3）3·6H2O and citric acid as raw materials.The structure,morphology and luminescence were characterized by means of X-ray diffraction （XRD）,scanning electron microscopy （SEM）,photoluminescence （PL）.The results demonstrated that the phosphor was pure-phase of flaky tetragonal crystal system with a mean size of around 1 μm.The strongest excitation peak was at 254 nm,belonging to the broadband excitation and the maximum emission peak was at 613 nm,corresponding to the 5D0→7F2 transition of Eu3+.Luminous intensity is closely related to the calcination temperature and doping concentration of Eu3+.
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