Covalent modification of surfaces with porous metal-organic materials

Recent advances in metal-organic frameworks (MOFs) and porous coordination cages (PCCs) have led to their extensive use in various applications due to their tunable properties and exceptional surface areas. To address challenges in harnessing their tunability, surface deposition of MOFs and cages ha...

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Published inJournal of materials chemistry. A, Materials for energy and sustainability Vol. 11; no. 44; pp. 23888 - 23894
Main Authors Montone, Christine M, Dworzak, Michael R, Yap, Glenn P. A, Bloch, Eric D
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 14.11.2023
Subjects
Alkylation
Attachment
Cages
Calixarenes
Catalysis
Chemical synthesis
Chemistry
Drug delivery
Metal-organic frameworks
Nanoparticles
Organic materials
Porous materials
Zirconium
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Summary:Recent advances in metal-organic frameworks (MOFs) and porous coordination cages (PCCs) have led to their extensive use in various applications due to their tunable properties and exceptional surface areas. To address challenges in harnessing their tunability, surface deposition of MOFs and cages has been investigated. This paper presents efforts in surface attachment of MOFs and porous cages, leveraging click chemistry, alkylation reactions, and electrostatic approaches. HKUST-1 MOF nanoparticles were covalently tethered to an azide-modified gold surface using copper-catalyzed click chemistry, allowing precise control over the deposited layer. Calixarene and zirconium cages were also attached via click chemistry, providing controlled crystallinity and thickness. Complementary strategies using minimally-functionalized ligands enabled cage attachment to surfaces. These surface-attached porous materials offer versatile approaches for functionalizing surfaces in catalysis, sensing, drug delivery, and other applications, expanding the utility of porous materials in diverse fields. The results demonstrate the feasibility of surface attachment for porous cages. Enhancing MOF and PCC tunability: surface attachment explored via click chemistry, alkylation, and electrostatic methods.
Bibliography:For ESI and crystallographic data in CIF or other electronic format see DOI
2251522
Eric D. Bloch was born in Brownsville, Wisconsin, USA, in 1983. After attending The University of Wisconsin-Fond du Lac for two years, he received his B.S. in Chemistry from UW-Milwaukee in 2008 and Ph.D. in Chemistry from The University of California-Berkeley in 2014. Following postdoctoral work at Harvard University, he joined the faculty at the University of Delaware in 2016. He moved to Indiana University in 2023 where he is currently the Veronica Siedle Associate Professor in the Chemistry Department. His research involves the design, synthesis, and characterization of porous molecular materials and porous salts for applications ranging from energy storage to human health.
2251521
https://doi.org/10.1039/d3ta04662a
Electronic supplementary information (ESI) available: adsorption isotherms, crystallographic information, spectroscopic data. CCDC
and
ISSN:2050-7488
2050-7496
DOI:10.1039/d3ta04662a