1. 毕业设计（论文）的内容和要求
石墨碳氮化物由于其对H2产生的优异光催化活性，水氧化，有机污染物的去辐射，人工光合作用和减少二氧化碳的排放[1-3]。
尿素，双氰胺或硫脲的热聚合简便合成及其高的热，化学和光稳定性是其进一步理想的属性。
然而，原始的C3N4具有有限的可见光吸收范围，并且还遭受光激发的电荷载流子的高复合率，导致低的光催化活性。
2. 参考文献
[1]Ong W., Tan L., Ng Y., et al. Graphitic Carbon Nitride (g-C3N4)-Based Photocatalysts for Artificial Photosynthesis and Environmental Remediation: Are We a Step Closer to Achieving Sustainability?[J]Chem. Rev., 2016, 116: 71597329.[2]Liu J., Wang H., Antonietti M.. Graphitic Carbon Nitride ″Reloaded″: Emerging Applications beyond (Photo) Catalysis[J]. Chem. Soc. Rev., 2016, 45:23082326. [3]Wang X., Maeda K., Thomas A., et al. A Metal-Free Polymeric Photocatalyst for Hydrogen Production from Water under Visible Light[J]. Nat. Mater., 2009, 8:7680. [4]Choi G. J., Knowles R. R.. Catalytic alkene carboaminations enabled byoxidative proton-coupled electron transfer[J]. J. Am. Chem. Soc., 2015, 137(29): 9226-9229. [5]Hu X. Q., Qi X., Chen J. R., et al. Catalytic N-radical cascade reaction of hydrazones by oxidative deprotonation electron transfer and TEMPO mediation[J]. Nat. Commun., 2016, 7: 11188-11190.[6]Meng Y. G. , Zhang T., Gong X. C., et al. Visible-light promoted one-pot synthesis of pyrazoles from alkynes and hydrazines[J]. Tetrahedron Lett., 2019, 60 :171173.
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