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

Javier Castells-Gil, Fernando Novio, Natalia M. Padial, Sergio Tatay, Daniel Ruíz-Molina, Carlos Martí-Gastaldo

Research output: Contribution to journalArticleResearchpeer-review

13 Citations (Scopus)

Abstract

© 2017 American Chemical Society. 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.
Original languageEnglish
Pages (from-to)44641-44648
JournalACS Applied Materials and Interfaces
Volume9
Issue number51
DOIs
Publication statusPublished - 27 Dec 2017

Keywords

  • catecholase biomimetics
  • hydrophobic coating
  • metal-organic frameworks
  • surface functionalization
  • water stability

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