Ultrathin films achieve record hydrogen-nitrogen separation

https://phys.org/news/2023-09-ultrathin-hydrogen-nitrogen.html

"thinnest MOF film perform hydrogen-nitrogen separation... zeolitic imidazolate frameworks... crystallize ultra-dilute precursor mixture alignment with substrate... suppress out-of-plane growth... room temperature, scalable fabricate uniform 2 nm 2D ZIF films area 100's cm2... array of hydrogen-sieving six-membered zinc-imidazolate coordination ring allows for combination of hydrogen flux and selectivity so efficient gas-separation... clean energy production, fuel cell efficiency, ammonia synthesis, and industrial processes"

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