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Atomistic Models of Amorphous Metal-Organic Frameworks

Journal of physical chemistry. C, 2022-04, Vol.126 (16), p.6905-6914 [Peer Reviewed Journal]

Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 1932-7447 ;EISSN: 1932-7455 ;DOI: 10.1021/acs.jpcc.2c01091

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  • Title:
    Atomistic Models of Amorphous Metal-Organic Frameworks
  • Author: Castel, Nicolas ; Coudert, François-Xavier
  • Subjects: Chemical Sciences ; or physical chemistry ; Theoretical and
  • Is Part Of: Journal of physical chemistry. C, 2022-04, Vol.126 (16), p.6905-6914
  • Description: There is an increasing interest in the amorphous states of metal-organic frameworks (MOFs) and porous coordination polymers, which can be produced by pressure-induced amorphization, temperature-induced amorphization, melt-quenching, ball milling, irradiation, etc. They can exhibit useful physical and chemical properties, distinct from those achievable in the crystalline states, along with greater ease of processing, and intrinsic advantages over crystals and powders, such as high transparency and mechanical robustness. However, these amorphous states are particularly challenging to characterize, and the determination of their framework structure at the microscopic scale is difficult, with only indirect structural information available from diffraction experiments. In this Perspective, we review and compare the existing methodologies available for the determination of microscopic models of amorphous MOFs, based on both experimental data and simulation methods. In particular, we present the atomistic models that can be obtained using Reverse Monte Carlo (RMC) methods, Continuous Random Networks (CRN), classical and ab initio molecular dynamics, reactive force fields, and simulated assembly/polymerization algorithms.
  • Publisher: American Chemical Society
  • Language: English
  • Identifier: ISSN: 1932-7447
    EISSN: 1932-7455
    DOI: 10.1021/acs.jpcc.2c01091
  • Source: Hyper Article en Ligne (HAL) (Open Access)

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