Porous materials have long been a focus of research for gas separations. Now, flexible, highly fluorinated coordination polymers lacking permanently built-in cavities have been shown to adsorb CO2 through a dissolution-like uptake process. The presence of dynamic perfluoroalkyl regions within the crystals is key to enabling transient porosity and establishing strong interactions with CO2.
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Pausch, T., Schmidt, B.M. CO2 sorption in fluorinated non-porous coordination polymers. Nat. Chem. 17, 1626–1627 (2025). https://doi.org/10.1038/s41557-025-01982-x
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DOI: https://doi.org/10.1038/s41557-025-01982-x
