1. 毕业设计（论文）的内容和要求
内容：本课题主要从事TiO2-NaYF4基光催化纳微米复合结构的制备与性能研究，通过利用NaYF4的优良转光性能来提高TiO2对光的吸收从而提高其光催化活性。
主要实现方法为制备TiO2和NaYF4具有不同结构的复合材料，寻求TiO2光谱吸收和NaYF4光转换性能之间的平衡点，确定光转换-光催化最佳的结构及参数。
实验过程中的难点：(1) 不同结构TiO2和NaYF4复合结构的制备；(2) TiO2的光谱响应能力与NaYF4光谱转换范围之间的匹配改性；(3) 复合结构中光吸收与光转换之间平衡点的确定。
2. 参考文献
Liu, X., et al., Microwave-assisted synthesis of ZnOY3Al5O12:Ce3 composites with enhanced visible light photocatalysis. Journal of Materials Chemistry, 2012. 22(32): p. 16293.2. Ren, L., et al., Upconversion-P25-graphene composite as an advanced sunlight driven photocatalytic hybrid material. Journal of Materials Chemistry, 2012. 22(23): p. 11765.3. Xu, Q.C., et al., Anti-cAngptl4 Ab-conjugated N-TiO2 /NaYF4 :Yb,Tm nanocomposite for near infrared-triggered drug release and enhanced targeted cancer cell ablation. Adv Healthc Mater, 2012. 1(4): p. 470-4.4. Ye, Y.-X., et al., Preparation of NaYF4:Er3 /TiO2 composite and up-conversion luminescence properties under visible light excitation. Chinese Physics B, 2011. 20(8): p. 087803.5. Zhang, D., et al., Synthesis and Upconversion Luminescence of NaYF4:Yb, Tm/TiO2 Core/Shell Nanoparticles with Controllable Shell Thickness. Journal of Nanoscience and Nanotechnology, 2011. 11(11): p. 9761-9764.6. Fujishima, A., X. Zhang, and D. Tryk, TiO2 photocatalysis and related surface phenomena. Surface Science Reports, 2008. 63(12): p. 515-582.7. Froschl, T., et al., High surface area crystalline titanium dioxide: potential and limits in electrochemical energy storage and catalysis. Chem Soc Rev, 2012. 41(15): p. 5313-60.8. 冯光建, －硕士论文.
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