Experimental optimum design and luminescence properties of NaY(Gd)(MoO_4)_2:Er^(3+)phosphors  

作　　者：孙佳石 徐赛 李树伟 石琳琳 翟梓会 陈宝玖 

机构地区：[1]Department of Physics,Dalian Maritime University

出　　处：《Chinese Physics B》2016年第6期201-205,共5页中国物理B（英文版）

基　　金：Project supported by Education Reform Fund of Dalian Maritime University,China(Grant No.2015Y37);the Natural Science Foundation of Liaoning Province,China(Grant Nos.2015020190 and 2014025010);the Open Fund of the State Key Laboratory on Integrated Optoelectronics,China(Grant No.IOSKL2015KF27);the Fundamental Research Funds for the Central Universities,China(Grant No.3132016121)

摘　　要：Three-factor orthogonal design（OD） of Er3＋/Gd3＋/T（calcination temperature） is used to optimize the luminescent intensity of Na Y（Gd）（MoO4）2：Er3＋phosphor.Firstly,the uniform design（UD） is introduced to explore the doping concentration range of Er3＋/Gd3＋.Then OD and range analysis are performed based on the results of UD to obtain the primary and secondary sequence and the best combination of Er3＋,Gd3＋,and T within the experimental range.The optimum sample is prepared by the high temperature solid state method.Photoluminescence excitation and emission spectra of the optimum sample are detected.The intense green emissions（530 nm and 550 nm） are observed which originate from Er3＋2H11/2→4I15/2and4S3/2→4I15/2,respectively.Thermal effect is investigated in the optimum NaY（Gd3＋）（MoO4）2：Er3＋phosphors,and the green emission intensity decreases as temperature increases.Three-factor orthogonal design（OD） of Er3＋/Gd3＋/T（calcination temperature） is used to optimize the luminescent intensity of Na Y（Gd）（MoO4）2：Er3＋phosphor.Firstly,the uniform design（UD） is introduced to explore the doping concentration range of Er3＋/Gd3＋.Then OD and range analysis are performed based on the results of UD to obtain the primary and secondary sequence and the best combination of Er3＋,Gd3＋,and T within the experimental range.The optimum sample is prepared by the high temperature solid state method.Photoluminescence excitation and emission spectra of the optimum sample are detected.The intense green emissions（530 nm and 550 nm） are observed which originate from Er3＋2H11/2→4I15/2and4S3/2→4I15/2,respectively.Thermal effect is investigated in the optimum NaY（Gd3＋）（MoO4）2：Er3＋phosphors,and the green emission intensity decreases as temperature increases.

关 键 词：orthogonal design（OD） uniform design（UD） NaY（Gd）（MoO4）2 Er3＋ luminescent intensity 

分 类 号：O482.31[理学—固体物理]