1. 毕业设计（论文）的内容和要求

半导体光催化技术因在环境和能源领域的重要应用而引起科研工作者及企业界人士的关注。

但是，传统商业中tio2半导体光催化剂禁带宽度比较大，光催化活性局限于只占太阳光中4%左右的紫外区。

因此，禁带宽度较小的可见光响应光催化材料latio2n，是目前热点材料之一。

2. 参考文献

[1] M. Gerosa, F. Gygi, M. Govoni, G. Galli. The role of defects and excess surface charges at finite temperature for optimizing oxide photoabsorbers. Nature Materials, 2018, 17(12), 1122-7. [2] L. Lu, B. Wang, S. M. Wang, Z. Shi, S. C. Yan, Z. G. Zou. La2O3-Modified LaTiO2N Photocatalyst with Spatially Separated Active Sites Achieving Enhanced CO2 Reduction. Adv Funct Mater, 2017, 27(36), [3] R. B. Singh, H. Matsuzaki, Y. Suzuki, K. Seki, T. Minegishi, T. Hisatomi, K. Domen, A. Furube. Trapped State Sensitive Kinetics in LaTiO2N Solid Photocatalyst with and without Cocatalyst Loading. Journal of the American Chemical Society, 2014, 136(49), 17324-31. [4] H. Zhang, J. Cai, Y. Wang, M. Wu, M. Meng, Y. Tian, X. Li, J. Zhang, L. Zheng, Z. Jiang, J. Gong. Insights into the effects of surface/bulk defects on photocatalytic hydrogen evolution over TiO2 with exposed {001} facets. Applied Catalysis B-Environmental, 2018, 220(126-36. [5] J. Wang, Y. Xia, H. Zhao, G. Wang, L. Xiang, J. Xu, S. Komarneni. Oxygen defects-mediated Z-scheme charge separation in g-C3N4/ZnO photocatalysts for enhanced visible-light degradation of 4-chlorophenol and hydrogen evolution. Applied Catalysis B-Environmental, 2017, 206(406-16. [6] S. Singh, R. Sharma, B. R. Mehta. Enhanced surface area, high Zn interstitial defects and band gap reduction in N-doped ZnO nanosheets coupled with BiVO4 leads to improved photocatalytic performance. Applied Surface Science, 2017, 411(321-30. [7] J. Seo, T. Hisatomi, M. Nakabayashi, N. Shibata, T. Minegishi, M. Katayama, K. Domen. Efficient Solar-Driven Water Oxidation over Perovskite-Type BaNbO2N Photoanodes Absorbing Visible Light up to 740 nm. Adv Energy Mater, 2018, 8(24), [8] S. Guo, Y. Tang, Y. Xie, C. Tian, Q. Feng, W. Zhou, B. Jiang. P-doped tubular g-C3N4 with surface carbon defects: Universal synthesis and enhanced visible-light photocatalytic hydrogen production. Applied Catalysis B-Environmental, 2017, 218(664-71. [9] J. Di, J. Xia, X. Chen, M. Ji, S. Yin, Q. Zhang, H. Li. Tunable oxygen activation induced by oxygen defects in nitrogen doped carbon quantum dots for sustainable boosting photocatalysis. Carbon, 2017, 114(601-7. [10] S. K. Cushing, F. Meng, J. Zhang, B. Ding, C. K. Chen, C.-J. Chen, R.-S. Liu, A. D. Bristow, J. Bright, P. Zheng, N. Wu. Effects of Defects on Photocatalytic Activity of Hydrogen-Treated Titanium Oxide Nanobelts. Acs Catalysis, 2017, 7(3), 1742-8. [11] S. Bhatia, N. Verma. Photocatalytic activity of ZnO nanoparticles with optimization of defects. Materials Research Bulletin, 2017, 95(468-76. [12] C. A. Aggelopoulos, M. Dimitropoulos, A. Govatsi, L. Sygellou, C. D. Tsakiroglou, S. N. Yannopoulos. Influence of the surface-to-bulk defects ratio of ZnO and TiO2 on their UV-mediated photocatalytic activity. Applied Catalysis B-Environmental, 2017, 205(292-301.

3. 毕业设计（论文）进程安排

2018年12月-2019年1月 查找相关文献资料，了解实验的装置，相关的理论，写开题报告，开展初步的实验； 2019年2月-2019年4月 全面开展实验，具体包括样品的制备，数据的采集，数据的初步分析等； 2019年5月 毕业论文的撰写，毕业论文的答辩等