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、溶液ph值等参数，合成出具有形貌均匀、尺寸均一的钨酸钡晶体。

（2） 在不同浓度条件下制备出性能良好的产物并进行表征，探索比较其发光性能。

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。

2. 参考文献

[1] 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. [2] CAVALCANTE L S, SCZANCOSKI J C, LIMA L F, et al. Synthesis, Characterization, Anisotropic Growth and Photoluminescence of BaWO4 [J]. Crystal Growth Design, 2009, 9(2): 1002-12. [3] 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. [4] 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. [5] LUO Z, LI H, XIA J, et al. Microwave-assisted synthesis of barium tungstate nanosheets and nanobelts by using polymer PVP micelle as templates [J]. Materials Letters, 2007, 61(8-9): 1845-8. [6] NEERAJ S, KIJIMA N, CHEETHAM A K. Novel red phosphors for solid-state lighting: the system NaM(WO4)(2-x)(MoO4)(x): Eu3 (M=Gd, Y, Bi) [J]. Chemical Physics Letters, 2004, 387(1-3): 2-6. [7] SHEN Y, LI W, LI T. Microwave-assisted synthesis of BaWO4 nanoparticles and its photoluminescence properties [J]. Materials Letters, 2011, 65(19-20): 2956-8. [8] 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. [9] SINGH A, DUTTA D P, RAMKUMAR J, et al. Serendipitous discovery of super adsorbent properties of sonochemically synthesized nano BaWO4 [J]. Rsc Advances, 2013, 3(44): 22580-90. [10] XIE B, WU Y, JIANG Y, et al. Shape-controlled synthesis of BaWO4 crystals under different surfactants [J]. Journal Of Crystal Growth, 2002, 235(1-4): 283-6. [11] ZHANG L, DAI J-S, LIAN L, et al. Dumbbell-like BaWO4 microstructures: Surfactant-free hydrothermal synthesis, growth mechanism and photoluminescence property [J]. Superlattices and Microstructures, 2013, 54(87-95. [12] ZHAO X F, LI T K, XI Y Y, et al. Synthesis of BaWO4 hollow structures [J]. Crystal Growth Design, 2006, 6(10): 2210-3. [13] 廖金生, 邱报, 温和瑞, et al. 单分散球形BaWO_4:Tb~(3 )绿色荧光粉合成及光谱性能 [J]. 光学学报, 2010, 03): 839-43. [14] MACZKA M, SOUZA A G, PARAGUASSU W, et al. Pressure-induced structural phase transitions and amorphization in selected molybdates and tungstates [J]. Progress In Materials Science, 2012, 57(7): 1335-81. [15] SUN X Y, LI X G, SUN X D, et al. Hydrothermal synthesis, characterization, and luminescence of BaWO4 nanorods [J]. Journal of Materials Science-Materials in Electronics, 2014, 25(4): 1647-51. [16] THONGTEM T, KAOWPHONG S, THONGTEM S. Influence of cetyltrimethylammonium bromide on the morphology of AWO(4) (A = Ca, Sr) prepared by cyclic microwave irradiation [J]. Applied Surface Science, 2008, 254(23): 7765-9.

3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 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，溶液pH值，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