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Experimental optimum design and luminescence properties of NaY(Gd)(MoO4)2: Er3+ phosphors |
Jia-Shi Sun(孙佳石), Sai Xu(徐赛), Shu-Wei Li(李树伟), Lin-Lin Shi(石琳琳), Zi-Hui Zhai(翟梓会), Bao-Jiu Chen(陈宝玖) |
Department of Physics, Dalian Maritime University, Dalian 116026, China |
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Abstract Three-factor orthogonal design (OD) of Er3+/Gd3+/T (calcination temperature) is used to optimize the luminescent intensity of NaY(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→4I15/2 and 4S3/2→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.
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Received: 11 December 2015
Revised: 04 February 2016
Accepted manuscript online:
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PACS:
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33.50.Dq
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(Fluorescence and phosphorescence spectra)
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02.10.Yn
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(Matrix theory)
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02.90.+p
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(Other topics in mathematical methods in physics)
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33.20.Kf
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(Visible spectra)
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Fund: 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), and the Fundamental Research Funds for the Central Universities, China (Grant No. 3132016121). |
Corresponding Authors:
Jia-Shi Sun, Sai Xu
E-mail: sunjs@dlmu.edu.cn
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Cite this article:
Jia-Shi Sun(孙佳石), Sai Xu(徐赛), Shu-Wei Li(李树伟), Lin-Lin Shi(石琳琳), Zi-Hui Zhai(翟梓会), Bao-Jiu Chen(陈宝玖) Experimental optimum design and luminescence properties of NaY(Gd)(MoO4)2: Er3+ phosphors 2016 Chin. Phys. B 25 063301
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