Fabrication of highly uniform gel coatings by the conversion of surface-anchored metal-organic frameworks

Manuel Tsotsalas, Jinxuan Liu, Beatrix Tettmann, Sylvain Grosjean, Artak Shahnas, Zhengbang Wang, Carlos Azucena, Matthew Addicoat, Thomas Heine, Joerg Lahann, Jörg Overhage, Stefan Bräse, Hartmut Gliemann, Christof Wöll

Research output: Contribution to journalArticlepeer-review

65 Citations (Scopus)


We report the fabrication of 3D, highly porous, covalently bound polymer films of homogeneous thickness. These surface-bound gels combine the advantages of metal-organic framework (MOF) materials, namely, the enormous flexibility and the large size of the maximum pore structures and, in particular, the possibility to grow them epitaxially on modified substrates, with those of covalently connected gel materials, namely, the absence of metal ions in the deposited material, a robust framework consisting of covalent bonds, and, most importantly, pronounced stability under biological conditions. The conversion of a SURMOF (surface-mounted MOF) yields a surface-grafted gel. These SURGELs can be loaded with bioactive compounds and applied as bioactive coatings and provide a drug-release platform in in vitro cell culture studies.

Original languageEnglish
Pages (from-to)8-11
Number of pages4
JournalJournal of the American Chemical Society
Issue number1
Publication statusPublished - 2014 Jan 8

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry


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