Quantification of gas-accessible microporosity in metal-organic framework glasses.

ABSTRACT: Metal-organic framework (MOF) glasses are a new class of glass materials with immense potential for applications ranging from gas separation to optics and solid electrolytes. Due to the inherent difficulty to determine the atomistic structure of amorphous glasses, the intrinsic structural porosity of MOF glasses is only poorly understood. Here, we investigate the porosity features (pore size and pore limiting diameter) of a series of prototypical MOF glass formers from the family of zeolitic imidazolate frameworks (ZIFs) and their corresponding glasses. CO₂ sorption at 195 K allows quantifying the microporosity of these materials in their crystalline and glassy states, also providing excess to the micropore volume and the apparent density of the ZIF glasses. Additional hydrocarb

SUBMITTER: Frentzel-Beyme L 

PROVIDER: S-EPMC9751146 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature