MoS2/g-C3N4复合材料的制备及其光催化性能研究任务书

 2022-01-30 19:17:36

全文总字数:3539字

1. 毕业设计(论文)的内容和要求

1.在阐明实验研究目的的基础上,从制订实验方案开始,独立完成一个完整的实验。

2.应取得足够的实验数据,并对其进行分析和相应的处理,给出必要的实验曲线、图表,得出实验结论;3.按照本科生毕业论文撰写规范完成1万字以上的实验研究论文。

2. 实验内容和要求

1.成功制备MoS2/g-C3N4纳米材料;2. 对MoS2/g-C3N4样品进行物相、形貌测试及分析;3. 进行光催化分解水制氢性能表征及分析。

3. 参考文献

1. Ai Z, Shao Y, Chang B, Huang B, Wu Y, Hao X. Effective orientation control of photogenerated carrier separation via rational design of a Ti3C2(TiO2)@CdS/MoS2 photocatalytic system. Applied Catalysis B-Environmental. 2019;242:202-8.2. Chang Y-C, Lin Y-W. MoS2@SnO2 core-shell sub-microspheres for high efficient visible-light photodegradation and photocatalytic hydrogen production. Materials Research Bulletin. 2020;129.3. Chen K, Ma L, Wang J-H, Cheng Z-Q, Yang D-J, Li Y-Y, et al. Integrating metallic nanoparticles of Au and Pt with MoS2-CdS hybrids for high-efficient photocatalytic hydrogen generation via plasmon-induced electron and energy transfer. Rsc Advances. 2017;7(42):26097-103.4. Chen W, Liu M, Wei S, Li X, Mao L, Shangguan W. Solid-state synthesis of ultrathin MoS2 as a cocatalyst on mesoporous g-C3N4 for excellent enhancement of visible light photoactivity. Journal of Alloys and Compounds. 2020;836.5. Guan Z, Wang P, Li Q, Li Y, Fu X, Yang J. Remarkable enhancement in solar hydrogen generation from MoS2-RGO/ZnO composite photocatalyst by constructing a robust electron transport pathway. Chemical Engineering Journal. 2017;327:397-405.6. Guo M, Xing Z, Zhao T, Qiu Y, Tao B, Li Z, et al. Hollow flower-like polyhedral alpha-Fe2O3/Defective MoS2/Ag Z-scheme heterojunctions with enhanced photocatalytic-Fenton performance via surface plasmon resonance and photothermal effects. Applied Catalysis B-Environmental. 2020;272.7. Gupta U, Naidu BS, Maitra U, Singh A, Shirodkar SN, Waghmare UV, et al. Characterization of few-layer 1T-MoSe2 and its superior performance in the visible-light induced hydrogen evolution reaction. Apl Materials. 2014;2(9).8. Li F, Hou Y, Yu Z, Qian L, Sun L, Huang J, et al. Oxygen deficiency introduced to Z-scheme CdS/WO3-x nanomaterials with MoS2 as the cocatalyst towards enhancing visible-light-driven hydrogen evolution. Nanoscale. 2019;11(22):10884-95.9. Liang Z, Shen R, Ng YH, Zhang P, Xiang Q, Li X. A review on 2D MoS2 cocatalysts in photocatalytic H-2 production. Journal of Materials Science 56:89-121.10. Liu Y, Xu X, Zhang J, Zhang H, Tian W, Li X, et al. Flower-like MoS2 on graphitic carbon nitride for enhanced photocatalytic and electrochemical hydrogen evolutions. Applied Catalysis B-Environmental. 2018;239:334-44.11. Qi M-Y, Li Y-H, Zhang F, Tang Z-R, Xiong Y, Xu Y-J. Switching Light for Site-Directed Spatial Loading of Cocatalysts onto Heterojunction Photocatalysts with Boosted Redox Catalysis. Acs Catalysis. 2020;10(5):3194-202.12. Swain G, Sultana S, Moma J, Parida K. Fabrication of Hierarchical Two-Dimensional MoS2 Nanoflowers Decorated upon Cubic Caln(2)S(4) Microflowers: Facile Approach To Construct Novel Metal-Free p-n Heterojunction Semiconductors with Superior Charge Separation Efficiency. Inorganic Chemistry. 2018;57(16):10059-71.13. Wang L-C, Bao S-K, Luo J, Wang Y-H, Nie Y-C, Zou J-P. Efficient exfoliation of bulk MoS2 to nanosheets by mixed-solvent refluxing method. International Journal of Hydrogen Energy. 2016;41(25):10737-43.

4. 毕业设计(论文)计划

1.2021.01-2021.02:查阅文献,对研究课题进行初步了解;2. 2021.03-2021.04:将三聚氰胺聚合成氮化碳,采用光沉积方法在其表面复合MoS2。

结合XRD、TEM、SEM、PL等分析测试技术,研究光催化剂中电荷传输、界面性质对光催化性能的影响。

3. 2021.05-2021.06:总结实验方法和规律,整理数据、撰写科研论文、专利申请(可与上述计划交替进行)和完成结题报告。

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