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毕业论文网 > 任务书 > 化学化工与生命科学类 > 化学工程与工艺 > 正文

基于碱土金属MOFs的纳米铸造制备高稳定性单分散固体碱催化剂的研究任务书

 2020-04-21 04:04  

1. 毕业设计(论文)的内容和要求

碱土金属mofs已被证明具有一定的碱性,然而其应用却受制于其较弱的稳定性。

为了在克服mofs材料稳定性差这一缺点的同时,保留其丰富的孔隙并精准构筑单分散的碱性位点,纳米铸造的方法被引入本课题研究。

mg-mof-74由mg离子和有机配体构筑而成,具有1.2nm左右的一维孔道,有足够的空间让硅前体tmos进入其中。

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2. 参考文献

1. Sun, L.B., X.Q. Liu, and H.C. Zhou, Design and fabrication of mesoporous heterogeneous basic catalysts. Chem Soc Rev, 2015. 44(15): p. 5092-147. 2. Hattori, H., Solid base catalysts: fundamentals and their applications in organic reactions. Applied Catalysis A: General, 2015. 504: p. 103-109. 3. Busca, G., Bases and Basic Materials in Chemical and Environmental Processes. Liquid versus Solid Basicity. Chemical Reviews, 2010. 110(4): p. 2217-2249. 4. Pines, H. and W.J.J.o.c. Haag, Communications - Stereoselectivity in the Carbanion-Catalyzed Isomerization of 1-Butene. 1958. 23(2): p. 328-329. 5. Tanabe, K.z., New solid acids and bases. 1989. 6. Sobczak, I., et al., Efficient isomerization of safrole by amino-grafted MCM-41 materials as basic catalysts. 2012. 179(1): p. 159-163. 7. Mondal, J., A. Modak, and A.J.J.o.M.C.A.C. Bhaumik, Highly efficient mesoporous base catalyzed Knoevenagel condensation of different aromatic aldehydes with malononitrile and subsequent noncatalytic Diels#8211;Alder reactions. 2011. 335(1): p. 236-241. 8. Pineda, A., et al., Activity of amino-functionalised mesoporous solid bases in microwave-assisted condensation reactions ☆. 2013. 33(9): p. 1-6. 9. Intarapong, P., et al., The Transesterification of Palm Oil Using KOH Supported on Bentonite in a Continuous Reactor. 2014. 11(9): p. 987-1001. 10. Kelly, K.L., et al., The optical properties of metal nanoparticles: The influence of size, shape, and dielectric environment. Journal of Physical Chemistry B, 2003. 107(3): p. 668-677. 11. Amiinu, I.S., et al., Anhydrous proton conducting materials based on sulfonated dimethylphenethylchlorosilane grafted mesoporous silica/ionic liquid composite. 2013. 5(22): p. 11535-11543. 12. Cauvel, A., G. Renard, and D. Brunel, Monoglyceride synthesis by heterogeneous catalysis using MCM-41 type silicas functionalized with amino groups. Journal of Organic Chemistry, 1997. 62(3): p. 749-751. 13. Wei, Y.L., et al., In-situ coating of SBA-15 with MgO: Direct synthesis of mesoporous solid bases from strong acidic systems. Advanced Materials, 2003. 15(22): p. 1943- . 14. Zhang, Z.X., et al., Solvent-Assisted Stepwise Redox Approach To Generate Zeolite NaA-Supported K2O as Strong Base Catalyst for Michael Addition of Ethyl Acrylate with Ethanol. Acs Omega, 2018. 3(8): p. 10188-10197. 15. Rogge, S.M.J., et al., Metal-organic and covalent organic frameworks as single-site catalysts. Chem Soc Rev, 2017. 46(11): p. 3134-3184. 16. Gascon, J., et al., Amino-based metal-organic frameworks as stable, highly active basic catalysts. Journal of Catalysis, 2009. 261(1): p. 75-87. 17. Liu, W., et al., Direct Fabrication of Strong Basic Sites on Ordered Nanoporous Materials: Exploring the Possibility of Metal#8211;Organic Frameworks. Chemistry of Materials, 2018. 30(5): p. 1686-1694. 18. Valvekens, P., et al., Base catalytic activity of alkaline earth MOFs: a (micro)spectroscopic study of active site formation by the controlled transformation of structural anions. Chem. Sci., 2014. 5(11): p. 4517-4524. 19. Valvekens, P., et al., Metal-dioxidoterephthalate MOFs of the MOF-74 type: Microporous basic catalysts with well-defined active sites. Journal of Catalysis, 2014. 317: p. 1-10. 20. Lu, A.H. and F. Sch#252;th, Nanocasting: A Versatile Strategy for Creating Nanostructured Porous Materials. Advanced Materials, 2006. 18(14): p. 1793-1805. 21. Malonzo, C.D., et al., Thermal Stabilization of Metal-Organic Framework-Derived Single-Site Catalytic Clusters through Nanocasting. J Am Chem Soc, 2016. 138(8): p. 2739-48. 22. Zhao, W., et al., Extending the Compositional Range of Nanocasting in the Oxozirconium Cluster-Based Metal#8211;Organic Framework NU-1000#8212;A Comparative Structural Analysis. Chemistry of Materials, 2018. 30(4): p. 1301-1315.

3. 毕业设计(论文)进程安排

(1)2019/01/10-2019/02/05:查阅mof相关文献,了解固体碱和mof-74的背景知识。

(2)2019/02/06-2019/03/05:撰写文献综述和开题报告。

(3)2019/03/05-2019/03/25:通过不同方法的纳米铸造制备出多种不同的催化剂。

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