Researchers create molecular armor to trap planar molecules
A team of scientists published findings in the Journal of the American Chemical Society on October 13, 2026, about a new molecular cage called pi-Armor.
Design of the molecular cage
The research team connected two curved molecules face-to-face at three points to form an internal cavity. This structure features three orifices on its sides that allow small guests to enter and leave reversibly.
Trapping mechanism and results
Guests with shapes that match the cavity bind more strongly inside the enclosure. Larger molecules are incorporated during assembly and remain trapped even when heated under reduced pressure.
Potential applications for materials
This achievement allows permanent encapsulation of planar molecules regardless of their electronic properties. The approach may enable the design of molecular capsules that protect unstable substances or create new materials.
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