Chemical Reviews· 2020Q1· Review
MOF-Based Membranes for Gas Separations
- 1,519citations
- Q1SCImago
- 2020year
Short summary
Metal-organic frameworks (MOFs) show promise for membrane-based gas separations due to their tunable pore structures, with this review introducing a performance score to identify promising materials.
AI-generated from the title and abstract; the full text is not read.
Key points
- MOFs offer significant advantages for gas separations due to their tunable pore windows and structural diversity.
- The review introduces a simple membrane performance score to evaluate and compare MOF materials.
- Upper bound plots reveal classes of MOF materials with consistently promising separation performance.
- The paper discusses opportunities and challenges in forming pure MOF films and mixed-matrix membranes (MMMs).
AI-generated from the title and abstract; the full text is not read.
Abstract
Metal-organic frameworks (MOFs) represent the largest known class of porous crystalline materials ever synthesized. Their narrow pore windows and nearly unlimited structural and chemical features have made these materials of significant interest for membrane-based gas separations. In this comprehensive review, we discuss opportunities and challenges related to the formation of pure MOF films and mixed-matrix membranes (MMMs). Common and emerging separation applications are identified, and membrane transport theory for MOFs is described and contextualized relative to the governing principles that describe transport in polymers. Additionally, cross-cutting research opportunities using advanced metrologies and computational techniques are reviewed. To quantify membrane performance, we introduce a simple membrane performance score that has been tabulated for all of the literature data compiled in this review. These data are reported on upper bound plots, revealing classes of MOF materials that consistently demonstrate promising separation performance. Recommendations are provided with the intent of identifying the most promising materials and directions for the field in terms of fundamental science and eventual deployment of MOF materials for commercial membrane-based gas separations.
The authors' abstract, as published at the source. Chemical Reviews, 2020 · DOI ↗
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Field: Inorganic Chemistry
Inorganic ChemistryChemistry