From imperfection to innovation: Exploring defect engineering in metal-organic frameworks

Area of Science:

• Materials Science
• Chemistry

Background:

• Metal-organic frameworks (MOFs) are porous materials with tunable functionalities, widely used in adsorption, separation, and catalysis.
• Structural instability and environmental factors often limit MOF performance, necessitating strategies for improvement.

Purpose of the Study:

• To review recent advancements in defect engineering of MOFs.
• To explore strategies for defect manipulation and their impact on MOF structure and functionality.

Main Methods:

• Synthesis and characterization of MOFs with controlled defects.
• Analysis of defect structures and their influence on material properties.

Main Results:

• Defect engineering enhances MOF performance by creating active sites and improving adsorption capacities.
• Defective MOFs show promise in applications such as gas adsorption, separation, photocatalysis, and antibacterial treatments.
• Recent experimental techniques enable better identification and characterization of defects in MOFs.

Conclusions:

• Intentionally introducing defects into MOFs is a key strategy for enhancing their performance.
• Defective MOFs offer superior properties compared to their ideal counterparts, with broad application potential.
• Further research into defect engineering will drive innovation in materials science and address global challenges.