Molecular transport properties of ZIF-8 thin films in aqueous environments: The critical role of intergrain mesoporosity as diffusional pathway

We report here the first use of electrochemical tools to quantify molecular transport from aqueous solutions into ZIF-8 MOF thin films. Our experimental findings reveal that molecular transport through ZIF-8 films in aqueous environments is purely dominated by solvent-filled intergrain mesoporosity and exhibits two well-defined transport regimes.

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