1. 毕业设计（论文）的内容和要求

二十一世纪以来，我国科技不断进步，经济迅速发展，随之而来的是日益突出的资源和环境问题。

发光二极管（light emitting diodes，led）照明节能环保，高效稳定，具有重要的研究意义。

随着发光二极管制备技术的持续提高和其应用范围的不断扩展，探索能够被近紫外波段光和蓝光有效激发的荧光粉，其制备技术，包括发光性能的表征都成为近几年来稀土荧光照明器件研究领域中的重中之重。

2. 参考文献

[1] P.F. Smet, A.B. Parmentier, D. Poelman, Selecting Conversion Phosphors for White Light-Emtting Diodes, J Electrochem Soc. 158 (2011) R37-R54. [2] A. H. Kitai, Luminescent Materials and Applications, John Wiley Sons, Ltd, (2008) ISBN: 978-0-470-05818-3 [3] S. Ye, F. Xiao, Y.X. Pan, Y.Y. Ma, Q.Y. Zhang, Phosphors in phosphor-converted white light-emitting diodes: recent advances in materials, techniques and properties, Mat Sci Eng R. 71 (2010) 1-34. [4] H.S. Jang, W.B. Im, D.C. Lee, D.Y. Jeon, S.S. Kim, Enhancement of red spectral emission intensity of Y3Al5O12:Ce3 phosphor via Pr co-doping and Tb substitution for the application to white LEDs, J. Lumin. 126 (2007) 371-377. [5] W.J. Park, Y.H. Song, D.H. Yoon, Synthesis and luminescent characteristics of Ca2#8722;xSrxSiO4:Eu2 as a potential green-emitting phosphor for near UV-white LED applications, Mat Sci Eng B. 173 (2010) 76-79. [6] Y.H. Kim, P. Arunkumar, B.Y. Kim, S. Unithrattil, E. Kim, S.H. Moon, J.Y. Hyun, K.H. Kim, D. Lee, J.S. Lee, W.B. Im, A zero-thermal-quenching phosphor, Nat Mater. 16 (2017) 543-550. [7] G. Blasse, Thermal Quenching of Characteristic Fluorescence, J Chem Phys. 51 (1969) 3529-3530. [8] J.S. Kim, S.W. Mho, Y.H. Park, J.C. Choi, H.L. Park, G.S. Kim, White-light-emitting Eu2 and Mn2 -codoped silicate phosphors synthesized through combustion process, Solid State Commun. 136 (2005) 504-507. [9] J.S. Kim, K.T. Lim, Y.S. Jeong, P.E. Jeon, J.C. Choi, H.L. Park, Full-color Ba3MgSi2O8:Eu2 , Mn2 phosphors for white-light-emitting diodes, Solid State Commun. 135 (2005) 21-24. [10] H. He, R. Fu, X. Zhang, X. Song, X. Zhao, Z. Pan, Photoluminescence spectra tuning of Eu2 activated orthosilicate phosphors used for white light emitting diodes, J. Mater. Sci. - Mater. Electron. 20 (2008) 433-438. [11] I.P. Sahu, Orange-red emitting europium doped strontium ortho-silicate phosphor prepared by a solid state reaction method, Luminescence, 32 (2017) 364-374. [12] X. J. Yang, B. Zhang, T. Xu, L. X. Wang, J. L. Shen and Q. T. Zhang, Enhanced luminescent intensity of Sr2SiO4:Tb3 phosphors by charge compensation (Li ) addition, J. Mater. Sci. - Mater. Electron. 27 (2016) 9448#8211;9453. [13] J. Cheng, J. Cai, J. Wen, Y. Chen, M. Yin, C. Duan, Ab-initio study on the structural and spectral properties of Ce3 in strontium silicates phosphors, J Lumin. 177 (2016) 337-341. [14] M.G. Ha, J.-S. Jeong, K.-R. Han, Y. Kim, H.-S. Yang, E.D. Jeong, K.S. Hong, Characterizations and optical properties of Sm3 -doped Sr2SiO4 phosphors, Ceram Int. 38 (2012) 5521-5526. [15] N. Guo, Y. Song, H. You, G. Jia, M. Yang, K. Liu, Y. Zheng, Y. Huang, H. Zhang, Optical Properties and Energy Transfer of NaCaPO4:Ce3 ,Tb3 Phosphors for Potential Application in Light-Emitting Diodes, Eur J Inorg Chem. (2010) 4636-4642. [16] G. M. Qiu, C. K. Xu, C. Huang, Preparation and Luminescent Properties of a Green Ca2SnO4: Tb3 Phosphor, Spectrosc Spect Anal. 2011, 31(11): 2906-2909. [17] G.A. Sotiriou, M. Schneider, S.E. Pratsinis, Green, Silica-Coated Monoclinic Y2O3:Tb3 Nanophosphors: Flame Synthesis and Characterization, J Phys Chem C. 116 (2012) 4493-4499. [18] C. Y. Cao, A. Xie, X. G. Yu, Controlled synthesis and optical properties of Ce3 /Tb3 co-doped BaGdF5 nanocrystals, Rare Met. 34 (2015) 673-678. [19] S. L. Chang,S.L. Li, Y. H. Kan, S. H. Wang, Synthesis and Luminescent Properties of Ce3 , Tb3 Co-Doped Zn4B6O13, J Rare Earth. 20(2002), 606-610. [20] L. X. Wang, X. J. Yang, Q. T. Zhang, B. Song, C. P. Wong, Luminescence properties of La2O2S:Tb3 phosphors and phosphor-embedded polymethylmethacrylate films , Mater. Des. 125 (2017) 100#8211;108. [21] Y. Wang, W. Zhang, Y. Gao, J. Long, J. Li, Luminescence enhancement of (Sr1-x Mx )2 SiO4 :Eu2 phosphors with M (Ca2 /Zn2 ) partial substitution for white light-emitting diodes, Luminescence, 32 (2017) 119-124. [22] K.A. Denault, J. Brgoch, M.W. Gaultois, A. Mikhailovsky, R. Petry, H. Winkler, S.P. DenBaars, R. 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3. 毕业设计（论文）进程安排

2018.1.1-2018.1.17 查阅文献资料，了解研究背景实验内容 2018.1.17-2018.2.7 撰写开题报告、准备开题 2018.1.17-2018.2.7 确定方案、准备器材和原料 2018.2.27-2018.4.15确定方案、准备器材和原料，用固相法制备双钙钛矿荧光粉，进行性能测试和分析表征 2018.4.16-2018.4.30 整理数据、阶段小结、期中交流 2018.5.4-2018.5.15 探索最佳离子掺杂浓度，进行性能测试和分析表征 2018.5.15-2018.5.24 实验数据整理和总结 2018.5.25-2018.6.6 撰写和修改论文 2018.6.7-2018.6.14 准备答辩和完成