AI Summary

Researchers at Shibaura Institute of Technology in Japan have created an interlayer adaptive crystal that can alter its spacing to recognize specific molecules. The crystal captured carbon dioxide at pressures as low as 2.0 Pa (195 K) and selectively separated CO₂ from nitrogen and methane at 303 K, even when the environment was highly humid. It also preferentially adsorbed benzene over several structurally similar molecules. This adaptive behavior offers a new approach to energy‑efficient molecular separation.

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