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《Materials for Mechanical Engineering》 2018-04
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Preparation and Luminescence Property of Eu~(3+) Doped Lu_2SiO_5 Luminescent Powder

YANG Lei;YANG Yi;CHEN Shiyi;YAN Ming;College of Materials and Chemical Engineering,Hubei University of Technology;Hubei Provincial Key Laboratory of Green Materials for Light Industry,Hubei University of Technology;Collaborative Innovation Center of Green Light-Weight Materials and Processing,Hubei University of Technology;  
Eu~(3+) doped Lu_2SiO_5(Lu_2SiO_5 ∶Eu~(3+))powders were prepared by urea-assisted coprecipitation method and sol-gel method,respectively.The effects of calcination temperature on the phase composition and micromorphology of the powders and the effect of Eu~(3+)doping amount on the luminescent property of the powders were compared and analyzed.The results show that the Lu_2SiO_5 powders with a relatively high purity were obtained by both methods.The powder obtained by sol-gel method was composed of pure and single Lu_2SiO_5 phase,while the powder obtained by urea-assisted coprecipitation method contained a small amount of impurity phase of Lu_2O_3.The particle size of the powder obtained by sol-gel method was 200-300 nm,and the surface of the powder particle was rougher than that by urea-assisted coprecipitation method.The luminescence intensity of the Lu_2SiO_5∶Eu~(3+)powders by the two methods was the largest when doped with 5 mol% Eu~(3+),and that by sol-gel method was higher.
【Fund】: 绿色轻工材料湖北省重点实验室开放基金资助项目(201710A15)
【CateGory Index】: TQ422
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