High-throughput fabrication of uniform and homogenous MOF coatings

Hasan K. Arslan, Osama Shekhah, Jonas Wohlgemuth, Matthias Franzreb, Roland A. Fischer, Christof Wöll*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    209 Scopus citations

    Abstract

    We describe a novel method to produce monolithic, oriented, crystalline and highly porous coatings on solid substrates. By adopting the recently described liquid-phase epitaxy (LPE) process developed to grow metal-organic framework coatings (MOFs) on modified Au-substrates to the spray method, we have prepared thick (Îm) layers of several MOF types on modified Au-substrates, including HKUST-I and layer-pillar MOFs. The spray method not only allows such SURMOFs to be grown much faster than with the LPE-process but the dependence of layer thickness on the number of immersion cycles also provides valuable insights into the mechanism governing the layer-by-layer MOF formation process. Crystalline, homogenous films of MOFs with well-defined thicknesses are deposited on a modified Au substrate employing a high-throughput spray-method. The spray method not only allows such SURMOFs to be grown much faster than with the LPE-process but the dependence of layer thickness on the number of immersion cycles also provides valuable insights into the mechanism governing the layer-by-layer MOF formation process

    Original languageEnglish (US)
    Pages (from-to)4228-4231
    Number of pages4
    JournalAdvanced Functional Materials
    Volume21
    Issue number22
    DOIs
    StatePublished - Nov 22 2011

    Keywords

    • metal-organic framework coatings (MOFs)
    • spray films
    • thin films

    ASJC Scopus subject areas

    • General Chemistry
    • General Materials Science
    • Condensed Matter Physics

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