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A Shape-Persistent Organic Molecular Cage with High Selectivity for the Adsorption of CO2 over N2


  • We thank Dr. Bruce Noll from Bruker AXS Inc. for single-crystal X-ray data collection, Robert Kerr for powder XRD analysis, and Prof. D. L. Gin for helpful discussions. W.Z. is grateful for a CRCW Junior Faculty Development Award and thanks the University of Colorado for funding.


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Carbon capture in an organic cage: A shape-persistent, organic prismatic molecular cage (see structure) was synthesized in one step and high yield from readily accessible starting materials through dynamic covalent chemistry. The resulting cage molecule exhibited high selectivity for the adsorption of CO2 over N2 and thus shows promise as a carbon-capture material.

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