Active-site-accessible, porphyrinic metal-organic framework materials

Omar K. Farha, Abraham M. Shultz, Amy A. Sarjeant, Sonbinh T. Nguyen, Joseph T. Hupp

Research output: Contribution to journalArticle

325 Citations (Scopus)

Abstract

On account of their structural similarity to cofactors found in many metallo-enzymes, metalloporphyrins are obvious potential building blocks for catalytically active, metal-organic framework (MOF) materials. While numerous porphyrin-based MOFs have already been described, versions featuring highly accessible active sites and permanent microporosity are remarkably scarce. Indeed, of the more than 70 previously reported porphyrinic MOFs, only one has been shown to be both permanently microporous and contain internally accessible active sites for chemical catalysis. Attempts to generalize the design approach used in this single successful case have failed. Reported here, however, is the synthesis of an extended family of MOFs that directly incorporate a variety of metalloporphyrins (specifically Al3+, Zn2+, Pd 2+, Mn3+, and Fe3+ complexes). These robust porphyrinic materials (RPMs) feature large channels and readily accessible active sites. As an illustrative example, one of the manganese-containing RPMs is shown to be catalytically competent for the oxidation of alkenes and alkanes.

Original languageEnglish
Pages (from-to)5652-5655
Number of pages4
JournalJournal of the American Chemical Society
Volume133
Issue number15
DOIs
Publication statusPublished - Apr 20 2011

ASJC Scopus subject areas

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

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