What question did this study set out to answer?

To explore how physical characteristics of metal-organic frameworks affect their ability to adsorb water vapor.

April 24, 2026RSC Advances2 citationsOpen Access

Effects of physical characteristics on metal–organic frameworks adsorption performance for water vapor: a review

WZWenxuan ZhangBeijing University of Civil Engineering and Architecture JNJinzhe NieEnergy Foundation

Key Points

To explore how physical characteristics of metal-organic frameworks affect their ability to adsorb water vapor.
Review existing literature on metal-organic frameworks and their adsorption mechanisms.
Analyze the effects of pore size, volume, and surface area on water vapor uptake.
Pore size significantly impacts the shape of adsorption isotherms.
Surface area and pore volume are crucial for maximizing water vapor uptake.
Chemisorption and hydrogen bonding are key mechanisms in the adsorption process.

Abstract

MOFs capture water vapor via chemisorption at unsaturated metal sites, hydrogen bonding and cluster formation, and capillary condensation. Pore size determines the isotherm shape, while pore volume and surface area govern the maximum uptake.

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