AI Insight
Researchers have developed a permanently porous organic framework held together by chalcogen bonding, a type of non-covalent interaction involving elements such as sulfur, selenium, or tellurium. This represents a new class of porous materials where the structural integrity and porosity arise from directional chalcogen-chalcogen or chalcogen-heteroatom interactions rather than conventional covalent or metal-coordination bonds. The framework maintains its porous architecture upon removal of guest molecules, demonstrating structural permanence comparable to established porous material families.
Why it matters
Permanently porous chalcogen-bonded frameworks could expand the design space for functional porous materials used in gas storage, separation, sensing, and catalysis. The ability to exploit chalcogen bonding as a structural force opens new synthetic routes for tailoring pore chemistry and selectivity.
Source: A permanently porous chalcogen-bonded organic framework