Unit-cell-thick zeolitic imidazolate framework films for membrane application.

ABSTRACT: Zeolitic imidazolate frameworks (ZIFs) are a subset of metal-organic frameworks with more than 200 characterized crystalline and amorphous networks made of divalent transition metal centres (for example, Zn²⁺ and Co²⁺) linked by imidazolate linkers. ZIF thin films have been intensively pursued, motivated by the desire to prepare membranes for selective gas and liquid separations. To achieve membranes with high throughput, as in ångström-scale biological channels with nanometre-scale path lengths, ZIF films with the minimum possible thickness-down to just one unit cell-are highly desired. However, the state-of-the-art methods yield membranes where ZIF films have thickness exceeding 50 nm. Here we report a crystallization method from ultradilute precursor mixtures, whic

SUBMITTER: Liu Q 

PROVIDER: S-EPMC10627807 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature