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Updated: Feb 28, 2026
05:26
Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks
Published on: February 10, 2023
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Covalent-Coordination-Dual-Driven In Situ Modular Assembly of 12-Connected Nickel-Based Metal-Organic Frameworks
Kun Wu1,2, Wen-Ting Zeng2, Jia-Yu Huang2
1State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Basic Research Center of Excellence for Natural Bioactive Molecules and Discovery of Innovative Drugs, Jinan University, Guangzhou, Guangdong 510632, P. R. China.
Journal of the American Chemical Society
|February 26, 2026
Summary
Researchers developed a facile one-pot method to create stable metal-organic frameworks (MOFs). This sustainable approach yields highly crystalline MOFs for advanced applications, including efficient heterogeneous photocatalysis.
Area of Science:
- Materials Science
- Chemistry
- Nanotechnology
Background:
- Practical application of metal-organic frameworks (MOFs) is limited by stability, complexity, and tunability trade-offs.
- Developing robust and easily synthesized MOFs is crucial for advanced material applications.
Purpose of the Study:
- To present a facile in situ modular assembly for highly stable 12-connected Ni8-MOFs.
- To demonstrate a scalable and sustainable synthetic strategy for MOF production.
- To explore the application of these MOFs as heterogeneous photocatalysts.
Main Methods:
- One-pot reaction integrating covalent imine bond formation and metal-ligand coordination.
- Utilizing nickel acetate, 4-aminopyrazoles, and aromatic aldehydes as precursors.
- Employing traditional refluxing conditions for MOF synthesis.
Main Results:
- Successfully synthesized a library of 31 highly crystalline Ni8-MOFs (JNU-230-JNU-260).
- Demonstrated scalability and sustainability with gram-scale production and solvent recycling.
- Developed JNU-244 as an efficient heterogeneous photocatalyst for cross-dehydrogenative coupling (99% yield).
Conclusions:
- The study offers a new platform for precise and sustainable construction of highly stable, functional MOFs.
- Synergistic covalent-coordination-dual driven assembly is a powerful strategy in materials design.
- The developed Ni8-MOFs show promise for advanced catalytic applications.
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