Surface Functionalization of Metal−Organic Framework Crystals with Catechol Coatings for Enhanced Moisture Tolerance

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URI: https://hdl.handle.net/10481/101155
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Autor
Castells-Gil, Javier; Novio, Fernando; Muñoz Padial, Natalia; Tatay, Sergio; Ruíz-Molina, Daniel; Martí-Gastaldo, Carlos
Editorial
American Chemical Society
Fecha
2017-11-28
Referencia bibliográfica
ACS Appl. Mater. Interfaces, 2017, 9 (51), 44641–44648
Patrocinador
This work was ACKNOWLEDGMENTS supported by the EU (ERC Stg Chem-fs-MOF 714122), Spanish MINECO (Unit of Excellence Marıa de Maeztu MDM-2015-0538), and the Generalitat Valenciana (Grant GV/2016/137). C.M.-G. and J.C.-G. thank the Spanish MINECO for a Ramon y Cajal Fellowship and FPI Scholarship (CTQ2014-59209-P), respectively. N.M.P. thanks the Junta de Andalucıa for postdoctoral fellowship P10-FQM-6050. F.N. and D.R.M. are also grateful to the financial support offered by Project MAT2015-70615-R from the Spanish Government and by FEDER funds. The ICN2 is funded by the CERCA programme/Generalitat de Catalunya and supported by the Severo Ochoa programme of the Spanish Ministry of Economy, Industry and Competitiveness (MINECO, grant no. SEV-20130295).
Resumen
Robust catechol coatings for enhanced moisture tolerance were produced in one step by direct reaction of Hong Kong University of Science and Technology (HKUST) with synthetic catechols. We ascribe the rapid formation of homogeneous coatings around the metal−organic framework particles to the biomimetic catalytic activity of Cu(II) dimers in the external surface of the crystals. Use of fluorinated catechols results in hydrophobic, permeable coatings that protect HKUST from water degradation while retaining close to 100% of its original sorption capacity.
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