1. 毕业设计（论文）的内容和要求

氧化铁是一种磁性材料，在生物医学、环保材料、催化等诸多领域都有广泛的应用。

纳米氧化铁的应用往往受限于粒径和表面改性效果。

本课题旨在尝试通过较方便的化学法制备四氧化三铁颗粒，并对制备的纳米四氧化三铁进行表面改性，使其表面成为疏水性和光催化活性，以期在拒水、自洁材料中能够得到更好的应用。

2. 参考文献

[1] 于文广, 张同来, 乔小晶, et al. 不同形貌Fe3O4纳米粒子的氧化沉淀法制备与表征[J]. 无机化学学报, 2006, 22(7). [2] Morel A L , Nikitenko S I , Gionnet K , et al. Sonochemical Approach to the Synthesis of Fe3O4@SiO2 Core#8722;Shell Nanoparticles with Tunable Properties[J]. ACS Nano, 2008, 2(5):847-856. [3] Lee Y J , Lee J W , Bae C J , et al. Large-Scale Synthesis of Uniform and Crystalline Magnetite Nanoparticles Using Reverse Micelles as Nanoreactors under Reflux Conditions[J]. Advanced Functional Materials, 2005, 15(3):503-509. [4] Stjerndahl M , Andersson M , Hall H E , et al. Superparamagnetic Fe3O4SiO2 nanocomposites: enabling the tuning of both the iron oxide load and the size of the nanoparticles.[J]. Langmuir the Acs Journal of Surfaces Colloids, 2008, 24(7):3532-6. [5] StoBer W , Fink A , Bohn E . Controlled growth of monodisperse silica spheres in the micron size range[J]. J. Colloid Interface Sci. 1968, 26(1):62-69. [6] Flachsbart H , StoBer W . Preparation of radioactively labeled monodisperse silica spheres of colloidal size[J]. Journal of Colloid Interface Science, 1969, 30(4):568-573. [7] 刘冰, 王德平, 黄文旵, et al. 溶胶-凝胶法制备核壳SiO_2/Fe_3O_4复合纳米粒子的研究[J]. 无机材料学报, 2008, 23(1):33-38. [8] Pouponneau P , Leroux J C , Martel S . Magnetic nanoparticles encapsulated into biodegradable microparticles steered with an upgraded magnetic resonance imaging system for tumor chemoembolization.[J]. Biomaterials, 2009, 30(31):6327-6332. [9] Arase H , Taniguchi K , Kai T , et al. Hydrophobic modification of SiO2 surface by aminosilane derivatives[J]. [10] Xu M H , Cao Y Y , Gao S G . Surface Modification of Nano-Silica with Silane Coupling Agent[J]. Key Engineering Materials, 2014, 636:23-27. [11] Krysztafkiewicz A , Rager B , Jesionowski T . The effect of surface modification on physicochemical properties of precipitated silica[J]. Journal of Materials Science, 1997, 32(5):1333-1339. [12] 王维, 刘玉硕, 房冉冉, et al. 疏水性可调型纳米二氧化硅的制备[J]. 中国粉体技术, 2018(4). [13] Rashid J , Barakat M A , Ruzmanova Y , et al. Fe3O4/SiO2/TiO2 nanoparticles for photocatalytic degradation of 2-chlorophenol in simulated wastewater[J]. Environmental Science and Pollution Research, 2015, 22(4):3149-3157. [14] Liu H , Jia Z , Ji S , et al. Synthesis of TiO2/SiO2@Fe3O4 magnetic microspheres and their properties of photocatalytic degradation dyestuff[J]. Catalysis Today, 2011, 175(1):293-298. [15] 廖振华, 陈建军, 姚可夫, et al. 磁性纳米TiO2/SiO2/Fe3O4光催化剂的制备及表征[J]. 无机材料学报, 2004, 19(4).

3. 毕业设计（论文）进程安排

2019.02.24-03.13 完成翻译和开题报告 2019.03.13-04.13 熟悉实验技能，制备改性中间体 2019.04.14-05.14 完成对纳米粒子的不同改性 2019.05.15-05.30 完成对改性粒子的表征与实验改进 完成中期检查 2019.05.31-06.06 完成毕业论文和答辩ppt