Aluminium-based MIL 100(Al) and MIL 101(Al) metal-organic frameworks, derivative materials and composites: synthesis, structure, properties and applications

MIL 100(Al) and MIL 101(Al) are two related and particularly interesting mesoporous aluminium-based metal-organic frameworks (MOFs) that are able to adsorb and encapsulate a large panel of molecules and catalyse a wide range of reactions. Furthermore, they can be functionalized in many ways, or transformed into oxide or carbonaceous materials with interesting properties. In this review, we first cover various synthetic methods used for selectively obtaining those MOFs in a pristine state, including formation mechanisms and thermodynamic considerations. Then, the main applications of those materials, including catalysis, gas storage and adsorption of various chemical species, are addressed. Post-functionalization and encapsulation strategies to obtain MOF materials with improved properties are also discussed, as well as the advantages of such hybrid materials over the pristine MOFs. Furthermore, we describe synthetic methods for obtaining (doped) aluminium oxides and carbon materials from MIL 100(Al) and MIL 101(Al), together with their applications. By summarizing the main findings concerning those two particular MOFs and their derivatives, together with some pitfalls to avoid when characterizing them, we highlight unaddressed challenges and provide directions for future research.

Affiliations

UCLouvainSST/IMCN/MOST - Molecular Chemistry, Materials and Catalysis

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Steenhaut, T., Filinchuk, Y., & Hermans, S. (2021). Aluminium-based MIL 100(Al) and MIL 101(Al) metal-organic frameworks, derivative materials and composites: synthesis, structure, properties and applications. Journal of Materials Chemistry A, 9, 21483-21509. https://doi.org/10.1039/d1ta04444c (Original work published 2021)