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Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
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Local-Global Synergistic Pore Space Partition in Metal-Organic Frameworks for Boosting CO2 Capture and Conversion
Shu-Cong Fan1, Yong-Peng Li2, Jia-Wen Wang1
1Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710062, China.
Journal of the American Chemical Society
|October 17, 2025
Summary
A new strategy precisely controls metal-organic framework (MOF) pore space for enhanced adsorption and catalysis. This method significantly boosts CO2 capture and photocatalytic efficiency, demonstrating a powerful approach for MOF design.
Area of Science:
- Materials Science
- Nanotechnology
- Chemistry
Background:
- Optimizing host-guest interactions and binding site density in metal-organic frameworks (MOFs) is crucial for adsorption and catalysis but remains challenging.
- Precise control over MOF pore architecture is key to unlocking their full potential in various applications.
Purpose of the Study:
- To introduce a novel Local-Global Synergistic Pore Space Partition (LGS-PSP) strategy for rational MOF design.
- To demonstrate the LGS-PSP strategy's ability to precisely engineer MOF pore space for enhanced performance.
- To showcase the tunable and boosted CO2 adsorption and photocatalytic capabilities of LGS-PSP derived MOFs.
Main Methods:
- Development and application of the LGS-PSP strategy, integrating ligand-mediated local partition with interpenetration-driven global partition.
- Synthesis and characterization of 44 MOF examples derived from a single parent framework, exhibiting six distinct pore-space partitioned modes.
- Detailed single-crystal structure analysis to understand the dynamic regulation of local and global pore environments.
Main Results:
- The LGS-PSP strategy enabled precise control over MOF pore architecture, leading to tunable and enhanced CO2 adsorption and photocatalytic abilities.
- Dynamic regulation of local pore microenvironments and global network interpenetration was achieved through ligand and framework translation/rotation.
- A dual-partitioned MOF (SNNU-196-Ni) exhibited a 206% increase in CO2 adsorption capacity and nearly 100% photocatalytic conversion efficiency.
Conclusions:
- The LGS-PSP strategy offers a powerful and controllable method for designing MOFs with optimized pore structures.
- This approach significantly enhances MOF performance in CO2 adsorption and photocatalysis, paving the way for advanced material applications.
- The findings highlight the importance of synergistic local and global pore engineering for maximizing MOF functionality.
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