Liquid-Phase Epitaxially Grown Metal–Organic Framework Thin Films for Efficient Tandem Catalysis Through Site-Isolation of Catalytic Centers

M. Hassan Beyzavi, Nicolaas A. Vermeulen, Kainan Zhang, Monica So, Chung Wei Kung, Joseph T. Hupp*, Omar K. Farha

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

A functional metal–organic framework (MOF) composed of robust porphyrinic material (RPM) based on the pillared-paddlewheel topology is prepared with large 3 D channels, and is used to perform a tandem epoxidation/CO2insertion reaction. The designated system benefits from two metalloporphyrins: 1) a Mn-porphyrin, which catalyzes the epoxidation of an olefin substrate, and 2) a Zn-porphyrin, which catalyzes the epoxide opening. By using an automated liquid-phase epitaxial growth system, the RPM-MOF is also prepared in layer-by-layer fashion as an ultrathin film on a self-assembled-monolayer-coated silicon platform. Deployed as a tandem catalyst, the film version yields a substantially higher catalytic turnover number for tandem methoxy-styrene epoxidation followed by CO2insertion than the bulk crystalline MOF samples.

Original languageEnglish (US)
Pages (from-to)708-713
Number of pages6
JournalChemPlusChem
Volume81
Issue number8
DOIs
StatePublished - Aug 1 2016

Keywords

  • cyclic carbonates
  • epoxidation
  • liquid-phase epitaxy
  • metal–organic frameworks
  • tandem catalysis

ASJC Scopus subject areas

  • Chemistry(all)

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