Advances in Metal-Organic Frameworks for High-Performance Direct Air Capture of CO<sub>2</sub>.

Crucially, when they plotted the Henry’s constants for H 2 O versus CO 2 ( Figure A­(b)), a clear trend emerged: MOFs featuring the A1 adsorbaphore, a site comprising two parallel aromatic rings separated by ∼ 7 Å­( Figure A­(c)), demonstrated significantly lower water affinity than those with open metal sites (A3) or metal–oxygen bridges (A2).

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