ArticleChemistry of materials : a publication of the American Chemical Society2024
Water Promotes Melting of a Metal-Organic Framework.
Article in Chemistry of materials : a publication of the American Chemical Society, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Alkali-ion-modified zeolitic imidazolate framework glasses.Nature chemistry · 2026Article
- Tailoring the Melting and Glass Transition Behavior of Zeolitic Imidazolate Frameworks via Ammonium Halide Salts.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Liquid metal interface enables glassy MOF membranes with defect-mediated CO₂ transport.Nature communications · 2025Article
- Continuous structure modification of metal-organic framework glasses via halide salts.Nature communications · 2025Article
- Automated Data Processing Workflows for Non-Expert Users of NMR Facilities.Magnetic resonance in chemistry : MRC · 2025Article
Corrections and comments
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Authors and funding
17 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Water is one of the most reactive and abundant molecules on Earth, and it is thus crucial to understand its reactivity with various material families. One of the big unknown questions is how water in liquid and vapor forms impact the fast-emerging class of metal-organic frameworks (MOFs). Here, we discover that high-pressure water vapor drastically modifies the structure and hence the dynamic, thermodynamic, and mechanical properties of MOF glasses. In detail, we find that an archetypical MOF (ZIF-62) is extremely sensitive to heat treatments performed at 460 °C and water vapor pressures up to ∼110 bar. Both the melting and glass transition temperatures decrease remarkably (by >100 °C), and simultaneously, hardness and Young's modulus increase by up to 100% under very mild treatment conditions (<20 bar of hydrothermal pressure). Structural analyses suggest water to partially coordinate to Zn in the form of a hydroxide ion by replacing a bridging imidazolate-based linker. The work provides insight into the role of hot-compressed water in influencing the structure and properties of MOF glasses and opens a new route for systematically changing the thermodynamics and kinetics of MOF liquids and thus altering the thermal and mechanical properties of the resulting MOF glasses.
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Registered trials
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