Synthesis of Macroporous Materials with Zeolitic Microporous Frameworks by Self-Assembly of Colloidal Zeolites

Y. J. Wang, Y. Tang, Z. Ni, W. M. Hua, W. L. Yang, X. D. Wang, W. C. Tao, Z. Gao
2000 Chemistry Letters  
Licence: CC BY-NC-ND 4.0 Citation information: Ardila-Suárez, Carolina; Molina V., Daniel R.; Alem, Halima; Baldovino Medrano, Víctor Gabriel; Ramírez-Caballero, Gustavo E (2019): Synthesis of Ordered Microporous/Macroporous MOF-808 through Modulator-Induced Defect Formation, and Surfactant Self-Assembly Strategies. ChemRxiv. Preprint. https://doi.org/10.26434/chemrxiv.10316924.v1 Ordered materials with interconnected porosity allow the diffusion of molecules within their inner porous structure
more » ... er porous structure to access the active sites located in the microporous core. As a follow-up of our work on engineering of MOF-808, in this contribution, we study the synthesis of defective MOF-808 using two different strategies: the use of modulators and the surfactant-assisted synthesis to obtain materials with ordered and interconnected pores. The results of the study indicated that (i) modulators agents led to formation of microporous/mesoporous MOFs through the formation of missing linker defects and (ii) the self-assembly of CTAB surfactant produced ordered microporous/macroporous network which enhanced crystallinity. However, the surface properties of the materials seem to be unaffected by the use of surfactants during synthesis. These results contribute to the development of ordered materials with a broad range of pore size distributions and give rise to new opportunities to extend the applications of MOF-808. File list (2) download file view on ChemRxiv Final-Ardila-Suárez-et-al.pdf (7.54 MiB) download file view on ChemRxiv SI_C-Ardila-Suárez-et-al.pdf (2.52 MiB) ABSTRACT Ordered materials with interconnected porosity allow the diffusion of molecules within their inner porous structure to access the active sites located in the microporous core. As a follow-up of our work on engineering of MOF-808, in this contribution, we study the synthesis of defective MOF-808 using two different strategies: the use of modulators and the surfactant-assisted synthesis to 2 obtain materials with ordered and interconnected pores. The results of the study indicated that (i) modulators agents led to formation of microporous/mesoporous MOFs through the formation of missing linker defects and (ii) the self-assembly of CTAB surfactant produced ordered microporous/macroporous network which enhanced crystallinity. However, the surface properties of the materials seem to be unaffected by the use of surfactants during synthesis. These results contribute to the development of ordered materials with a broad range of pore size distributions and give rise to new opportunities to extend the applications of MOF-808.
doi:10.1246/cl.2000.510 fatcat:p4yjz7bh5zhtpho45avofjdr7e