Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 21, Issue 29, Pages 10296-10301Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201501974
Keywords
capping ligands; metal-organic frameworks; multivalent materials; nanoparticles; supramolecular chemistry
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Funding
- Council for Chemical Sciences of the Netherlands Organization for Scientific Research (NWO-CW, Vici) [700.58.443]
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Control over particle size and composition are pivotal to tune the properties of metal organic frameworks (MOFs), for example, for biomedical applications. Particle-size control and functionalization of MIL-88A were achieved by using stoichiometric replacement of a small fraction of the divalent fumarate by monovalent capping ligands. A fluorine-capping ligand was used to quantify the surface coverage of capping ligand at the surface of MIL-88A. Size control at the nanoscale was achieved by using a monovalent carboxylic acid-functionalized poly(ethylene glycol) (PEG-COOH) ligand at different concentrations. Finally, a biotin-carboxylic acid capping ligand was used to functionalize MIL-88A to bind fluorescently labeled streptavidin as an example towards bioapplications.
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