1. 毕业设计（论文）的内容和要求
石墨相氮化碳（g-C3N4）因其制备工艺简单，热稳定性好，对环境友好等特点得到了广泛的研究，然而，因其存在着比表面积较小，光生电子和空穴分离效率低和禁带宽度相对较大等缺点，严重限制其光催化活性。
因此，寻找有效的改性方法成为大家研究的热门课题。
针对氮化碳对可见光吸收较少以及光生载流子快速复合的问题，本课题通过引入3D多孔的碳材料，一方面可以拓展复合材料的可见光响应范围；另一方面基于碳材料的3D多孔结构，可以进一步有利于光生载流子的分离。
2. 参考文献
根据毕业要求指点2.3和10.2，毕设期间要进行研究现状调查与总结，要求在开题报告及毕业设计（论文）中涉及的英文文献不少于20篇，其中近5年不少于8篇，英文文献不少于5篇。
[1] POL R, GUERRERO M, GARCIALECINA E, et al. Ni-, Pt- and (Ni/Pt)-doped TiO2 nanophotocatalysts: a smart approach for sustainable degradation of Rhodamine B dye[J]. Applied Catalysis B: Environmental, 2016, 181 (181): 270-278.[2] HOFFMANN M R, MARTIN S T, CHOI W, et al. Environmental applications of semiconductor photocatalysis[J]. Chemical Reviews, 1995, 95 (1): 69-96.[3] ZOU Z Q, YE J H, SAYAMA K, et al. Direct splitting of water visible light irradiation with an oxide semiconductor photocatalyst[J]. Nature, 2001, 414 (6864): 625-627.[4] Su Q, Sun J, Wang J Q,et al. Urea-derived graphitic carbon nitride as an efficient heterogeneous catalyst for CO2conversion into cyclic carbonates [J]. Catal Sci Technol, 2014, 4: 1556.[5] Hong J D, Xia X Y, Wang Y S,et al. Mesoporous carbon nitride with in situ sulfur doping for enhanced photocatalytic hydrogen evolution from water under visible light [J]. J Mater Chem, 2012, 22: 15006.[6] Wang Y B, Hong J D, Zhang W,et al. Carbon nitride nanosheets for photocatalytic hydrogen evolution: remarkably enhanced activity by dye sensitization [J]. Catal Sci Technol, 2013, 3: 1703.[7] WANG Xinchen,MAEDA K,THOMAS A,et al. A Metal-Free Polymeric Photocatalyst for Hydrogen Production from Water under Visible Light [J]. Nat Mater,2009,8(1): 76-80.[8] LAKHI K S,PARK D H,AL-BAHILY K,et al. Mesoporous Carbon Nitrides: Synthesis,Functionalization,and Applications [J]. Chem Soc Rev,2017, 46(1): 72-101.[9] KOFUJI Y,ISOBE Y,SHIRAISHI Y,et al. Carbon Nitride-Aromatic Diimide-Graphene Nanohybrids: Metal-Free Photocatalysts for Solar-to-Hydrogen Peroxide Energy Conversion with 0.2% Efficiency [J]. J Am Chem Soc,2016,138(31): 10019-10025.[10] SUN Lu,YANG Meijia,HUANG Jianfeng,et al. Freestanding Graphitic Carbon Nitride Photonic Crystalsfor Enhanced Potocatalysis [J]. Adv Funct Mater,2016,26(27): 4943-4950.
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