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Lah, Myoung Soo
Nanoporous Materials Lab
Research Interests
  • Metal-Organic Frameworks (MOFs)
  • Crystal Engineering
  • Supramolecular coordination chemistry

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Ligand functionalization of defect-engineered Ni-MOF-74

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Title
Ligand functionalization of defect-engineered Ni-MOF-74
Author
Lim, JaewoongLee, SeonghwanSharma, AmitoshSeong, JunmoBaek, Seung BinLah, Myoung Soo
Issue Date
2022-11
Publisher
Royal Society of Chemistry
Citation
RSC ADVANCES, v.12, no.48, pp.31451 - 31455
Abstract
Incorporating functionality into the framework of metal–organic frameworks (MOFs) has attracted substantial interest because the physical and chemical properties of MOFs can be tuned by functionalizing pores. The ligand functionalization of MOF-74 is challenging because of its pristine organic ligand and framework structure. Herein, we report a series of ligand-functionalized Ni-MOF-74 derivatives synthesized by defect engineering using a mixed-ligand approach. Defect generation and ligand functionalization of Ni-MOF-74 were simultaneously achieved by incorporation of fragmented organic ligands such as 5-formylsalicylic acid, 3-hydroxysalicylic acid, 2-hydroxynicotinic acid and 5-hydroxy-1H-benzimidazole-4-carboxylic acid. The resulting defect-engineered Ni-MOF-74 derivatives maintained relatively good crystallinity up to fragment incorporation levels of ∼20% and exhibited modified permanent porosity and CO2 adsorption properties depending on the functional groups and defect concentrations in the framework.
URI
https://scholarworks.unist.ac.kr/handle/201301/59895
DOI
10.1039/d2ra06587h
ISSN
2046-2069
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CHM_Journal Papers
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