Synthesis of MOF-on-MOF architectures in the context of interfacial lattice matching

Functional materials based on metal-organic frameworks (MOFs), especially MOF-on-MOF architectures, have attracted great interest for their potential application in a range of fields. The well-defined crystalline features of MOFs encourage the rational design of MOF-on-MOF architectures through conn...

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Bibliographic Details
Published inCrystEngComm Vol. 23; no. 12; pp. 2337 - 2354
Main Authors Ha, Junsu, Moon, Hoi Ri
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 29.03.2021
Subjects
Bonding strength
Crystallography
Epitaxial growth
Functional materials
Lattice matching
Lattice parameters
Metal-organic frameworks
Parameter modification
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Summary:Functional materials based on metal-organic frameworks (MOFs), especially MOF-on-MOF architectures, have attracted great interest for their potential application in a range of fields. The well-defined crystalline features of MOFs encourage the rational design of MOF-on-MOF architectures through connecting at the interface via various methods. This highlight summarises the previously reported MOF-on-MOF systems, with a focus on the presented crystallographic information and classification of the systems according to lattice parameter matching. Epitaxial growth has been reported to yield tightly bonded interfaces between two MOFs possessing similar lattice parameters, while lattice-mismatched pairs require some modification to enhance their connection. Overall, understanding the fundamental aspects of MOF-on-MOF growth based on their crystallographic connections will provide new opportunities for more rational approaches to construct MOF-based functional materials. This highlight summarises the previously reported MOF-on-MOF systems, with a focus on the presented crystallographic information and classification of the systems according to lattice parameter matching.
Bibliography:Junsu Ha received his bachelor's degree in chemistry from Inha University, Korea, in 2018. He is currently pursuing a combined MS-PhD program at Ulsan National Institute of Science and Technology (UNIST) under the supervision of Prof. Hoi Ri Moon. His research interests are the development of MOFs for molecular separation and the design of MOF heterostructures.
Hoi Ri Moon received her BS in 2001 from Ewha Womans University and PhD in 2007 from Seoul National University. After working as a postdoctoral fellow at Molecular Foundry, Lawrence Berkeley National Laboratory, she joined Ulsan National Institute of Science and Technology (UNIST) in 2010 as an assistant professor and was promoted to an associate professor in 2014. Her group aims to understand the flexible behaviours of metal-organic frameworks (MOFs) and create unique MOFs for gas separation (especially hydrogen isotope separation), gas storage, molecular sensing and heterogeneous catalysis.
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ISSN:1466-8033
1466-8033
DOI:10.1039/d0ce01883j