The porosity and synthetic tunability of metal-organic frameworks (MOFs) motivate interest in application of these materials as designer heterogeneous catalysts. While in operando experimental evaluation of substrate mobility in these materials is critical to the rational development of highly active catalyst platforms, experimental data is rarely available. This talk will present data that demonstrate that significant substrate confinement within a microporous Ru2-based MOF results in quantum tunneling during interstitial nitrogen-atom transfer (NAT). Further, the extent of substrate confinement can be rationally tuned by modulating network mesoporosity. The presented data provide both the first demonstration of tunneling during interstitial MOF chemistry and illustrate an experimental strategy to evaluate the impact of material structure on substrate mobility in porous catalysts.

Measuring and modulating substrate confinement during nitrogen-atom transfer in a Ru2-based metal-organic framework

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.