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Updated: Feb 7, 2026

Author Spotlight: Characterizing Porous Materials for Aiding the Development of Robust Metal-Organic Frameworks with Adsorption Behavior
Published on: March 8, 2024
Cooperative Gas Adsorption without a Phase Transition in Metal-Organic Frameworks
Joyjit Kundu1,2, Jürgen F Stilck3, Jung-Hoon Lee1,4
1Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
Abstract:
Cooperative adsorption of gases by porous frameworks, which permits more efficient uptake and removal than the more usual noncooperative (Langmuir-type) adsorption, usually results from a phase transition of the framework. Here we show how cooperativity emerges in the class of metal-organic frameworks mmen-M_{2}(dobpdc) in the absence of a phase transition. Our study provides a microscopic understanding of the emergent features of cooperative binding, including the position, slope, and height of the isotherm step, and indicates how to optimize gas storage and separation in these materials.
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