Cited by 34Metal-Organic Frameworks: Synthesis and ApplicationsMachine Learning in Materials ScienceCovalent Organic Framework Applications

Probing Structural Defects in MOFs Using Water Stability

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Jamdade, Shubham, Yu, Zhenzi, Boulfelfel, Salah Eddine, Cai, Xuqing, Thyagarajan, Raghuram, Fang, Hanjun, Sholl, David S.·2024·The Journal of Physical Chemistry C

Abstract

Defects in the crystal structures of metal-organic frameworks (MOFs), whether present intrinsically or introduced via so-called defect engineering, can play strong roles in the properties of MOFs for various applications. Unfortunately, direct experimental detection and characterization of defects in MOFs are very challenging. We show that in many cases, the differences between experimentally observed and computationally predicted water stabilities of MOFs can be used to deduce information on the presence of point defects in real materials. Most computational studies of MOFs consider these materials to be defect-free, and in many cases, the resulting structures are predicted to be hydrophobic. Systematic experimental studies, however, have shown that many MOFs are hydrophilic. We show that the existence of chemically plausible point defects can often account for this discrepancy and use this observation in combination with detailed molecular simulations to assess the impact of local defects and flexibility in a variety of MOFs for which defects had not been considered previously.

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Crossref · 10.1021/acs.jpcc.3c07497

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  • MOF structural integrity can be compromised by interactions with certain impurities in gas streams, which may result in degradation or even complete failure.

    “Their structural integrity can be compromised by interactions with certain impurities in gas streams, which may result in degradation or even complete failure.”

    From Metals incorporated agricultural waste corn Cob-based biochar used as an adsorbent for CO2 capturing (2025) · cites this paper as [19]

    The Introduction says some MOFs show little structural stability after exposure to even small amounts of moisture in the vapor phase, and the Conclusions discuss water-driven degradation. This supports the concern about exposure to moisture, but the paper does not establish the broader claim about impurities in gas streams or describe complete failure. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • MOFs often face stability issues when exposed to contaminated gases.

    “Metal-Organic Frameworks (MOFs) often face stability issues when exposed to contaminated gases.”

    From Metals incorporated agricultural waste corn Cob-based biochar used as an adsorbent for CO2 capturing (2025) · cites this paper as [19]

    The Introduction reports that some MOFs lose structural stability after exposure to moisture in the vapor phase, even in small amounts. That supports stability concerns for water-contaminated gas, but the paper does not establish the broader claim for contaminated gases generally. (LLM, conf=0.83)

    Experimental — accuracy not yet measured

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Research works printed but not linked: 1

  1. Zhang H. D.; Snurr R. Computational Study of Water Adsorption in the Hydrophobic Metal-Organic Framework ZIF-8: Adsorption Mechanism and Acceleration of the Simulations. J. Phys. Chem. C 2017, 121 (43), 24000– 24010. 10.1021/acs.jpcc.7b06405. · DOI

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Authors
Jamdade, S., Yu, Z., Boulfelfel, S. E., Cai, X., Thyagarajan, R., Fang, H., & Sholl, D. S.
Affiliations
  • Georgia Institute of Technology (US)
  • Oak Ridge National Laboratory (US)
Corresponding author
Sholl, David S.
Venue
The Journal of Physical Chemistry C
Published
2024-02-23
Volume
128
Issue
9
Pages
3975-3984
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W4392123897
Cited by
34
References
49
Citations by year
2026: 10 · 2025: 15 · 2024: 9
FWCI
3.76
Type
journal article
Language
en
Open access
Locations
  • The Journal of Physical Chemistry C (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
Basic Energy Sciences (DE-SC0012577)
Topics
  • Physical Sciences › Chemistry › Inorganic Chemistry › Metal-Organic Frameworks: Synthesis and Applications
  • Physical Sciences › Materials Science › Materials Chemistry › Machine Learning in Materials Science
  • Physical Sciences › Materials Science › Materials Chemistry › Covalent Organic Framework Applications
Keywords
metal-organic frameworks, point defects, water stability, hydrophilicity, defect engineering, crystal defects, molecular simulation, framework flexibility, hydrophobicity prediction

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