CTAB对BaWO4:Eu3 晶体形貌及其发光性能的影响任务书
2020-06-26 19:48:03
1. 毕业设计(论文)的内容和要求
毕业论文是对大学四年学习情况以及对所做的课题情况的反映,其内容应该包括: (1) 查阅相关文献资料,提出实验计划,明确实验内容了解课题的研究目的,进行大量的实验,控制合成温度、添加剂含量等参数,合成出具有形貌均匀、尺寸均一的钨酸钡晶体。
(2) 掺杂铕稀土元素,探索其掺杂量对合成钨酸钡的发光性能的影响,制备性能良好的产物并进行表征,并在此基础上总结实验经验及注意事项,按要求完成毕业论文的写作。
要把毕业论文很好的完成并顺利通过答辩,这就要求学生做到: (1) 认真全面地收集,阅读材料。
2. 参考文献
[1] CAVALCANTE L S, SCZANCOSKI J C, TRANQUILIN R L, et al. BaMoO(4) powders processed in domestic microwave-hydrothermal: Synthesis, characterization and photoluminescence at room temperature [J]. Journal Of Physics And Chemistry Of Solids, 2008, 69(11): 2674-80. [2] ALENCAR L D S, MESQUITA A, FEITOSA C A C, et al. Preparation, characterization and catalytic application of Barium molybdate (BaMoO4) and Barium tungstate (BaWO4) in the gas-phase oxidation of toluene [J]. Ceram Int, 2017, 43(5): 4462-9. [3] ALMEIDA M A P, CAVALCANTE L S, VARELA J A, et al. Effect of different surfactants on the shape, growth and photoluminescence behavior of MnWO4 crystals synthesized by the microwave-hydrothermal method [J]. Advanced Powder Technology, 2012, 23(1): 124-8. [4] DONG F-Q, WU Q-S, DING Y-P. Morphology-controlled synthesis of BaWO4 crystals via biominmetic SLM system [J]. Journal of Alloys and Compounds, 2009, 476(1-2): 571-4. [5] GAO L-L, SONG S-Y, MA J-F, et al. Microemulsion-Mediated Solvothermal Synthesis and Photo luminescent Properties of Europium Tungstate Nanostructures [J]. Journal of Nanoscience and Nanotechnology, 2013, 13(6): 4228-34. [6] GHAED-AMINI M, BAZARGANIPOUR M, SALAVATI-NIASARI M. Calcium molybdate octahedral nanostructures, hierarchical self-assemblies controllable synthesis by coprecipitation method: Characterization and optical properties [J]. Journal of Industrial and Engineering Chemistry, 2015, 21(1089-97. [7] LI M, GUAN Y, YIN Y, et al. Controllable synthesis of 3D BaXO4 (X = W, Mo) microstructures by adjusting nucleation stage and their photoluminescence properties [J]. Superlattices and Microstructures, 2015, 80(222-8. [8] LIAO J S, QIU B, WEN H R, et al. Synthesis and optimum luminescence of monodispersed spheres for BaWO4-based green phosphors with doping of Tb3 [J]. Journal Of Luminescence, 2010, 130(5): 762-6. [9] LIU J K, WU Q S, DING Y P. Controlled synthesis of different morphologies of BaWO4 crystals through biomembrane/organic-addition supramolecule templates [J]. Crystal Growth Design, 2005, 5(2): 445-9. [10] LIU Z, XU W, LIN A, et al. Deposition of NaGd(WO4)(2):Eu3 /Bi3 films on glass substrates and potential applications in white light emitting diodes [J]. Energy and Buildings, 2016, 113(9-14. [11] OLIVEIRA M C, GRACIA L, NOGUEIRA I C, et al. Synthesis and morphological transformation of BaWO4 crystals: Experimental and theoretical insights [J]. Ceram Int, 2016, 42(9): 10913-21. [12] PAN H L, HOJAMBERDIEV M, ZHU G Q. Hydrothermal synthesis of quasi-monodisperse AWO(4) (A = Ca, Sr, and Ba) microspheres [J]. Journal Of Materials Science, 2012, 47(2): 746-53. [13] PARHI P, KARTHIK T N, MANIVANNAN V. Synthesis and characterization of metal tungstates by novel solid-state metathetic approach [J]. Journal Of Alloys And Compounds, 2008, 465(1-2): 380-6. [14] PHURUANGRAT A, THONGTEM T, THONGTEM S. Precipitate synthesis of BaMoO4 and BaWO4 nanoparticles at room temperature and their photoluminescence properties [J]. Superlattices And Microstructures, 2012, 52(1): 78-83. [15] SCZANCOSKI J C, CAVALCANTE L S, JOYA M R, et al. Synthesis, growth process and photoluminescence properties of SrWO4 powders [J]. Journal Of Colloid And Interface Science, 2009, 330(1): 227-36. [16] SHI H T, QI L M, MA J M, et al. Polymer-directed synthesis of penniform BaWO4 nanostructures in reverse micelles [J]. Journal Of the American Chemical Society, 2003, 125(12): 3450-1. [17] SIQUEIRA K P F, MOREIRA R L, VALADARES M, et al. Microwave-hydrothermal preparation of alkaline-earth-metal tungstates [J]. Journal Of Materials Science, 2010, 45(22): 6083-93.
3. 毕业设计(论文)进程安排
2018.01 根据所选课题,查阅相关文献并完成翻译工作 2018.02-2018.04 合理改变反应温度,添加剂含量以及稀土铕离子的掺杂量,用微波水热法合成出结晶度高,颗粒尺寸较为均一,发光性能良好的钨酸钡粉体 2018.05 整理实验数据 2018.06 在实验基础上撰写毕业论文