Computational approaches to study adsorption in MOFs with unsaturated metal sites

Michael Fischer, Jose R. B. Gomes, Miguel Jorge

Research output: Contribution to journalArticle

46 Citations (Scopus)
1187 Downloads (Pure)

Abstract

Metal-organic frameworks (MOFs) with coordinatively unsaturated sites (CUS) offer interesting possibilities for tuning the affinity of these materials towards certain adsorbates, potentially increasing their selectivity and storage capacity. From a modelling point of view, however, they pose a significant challenge due to the inability of conventional force-fields for dealing with these specific interactions. In this paper, we review recent developments in the application of quantum-mechanical (QM) methods and classical molecular simulations to understand and predict adsorption in MOFs with CUS. We find that hybrid approaches that incorporate QM-based information into classical models are able to provide dramatically improved adsorption predictions relative to conventional force-fields, while yielding a realistic description of the adsorption mechanism in these materials.
Original languageEnglish
Pages (from-to)537-556
Number of pages20
JournalMolecular Simulation
Volume40
Issue number7-9
Early online date5 Feb 2014
DOIs
Publication statusPublished - 2014

Keywords

  • Monte Carlo simulation
  • density functional theory
  • adsorption
  • MOFs
  • open metal sites
  • multiscale modelling

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