Functionalized MOF-Based Photocatalysts for CO₂ Reduction.

Area of Science:

• Materials Science
• Catalysis
• Environmental Science

Background:

• Metal-organic frameworks (MOFs) are recognized for their high surface area, tunable structures, and active sites, making them promising for photocatalytic CO2 reduction.
• MOFs offer versatile modification pathways, including post-modification of metal nodes, organic linker functionalization, and integration with other materials, to optimize CO2 photoreduction.

Purpose of the Study:

• To review recent advances in constructing MOF-based photocatalysts for CO2 reduction.
• To discuss systematic modification strategies for enhancing MOF photocatalyst performance.

Main Methods:

• Highlighting recent advances in MOF-based photocatalyst construction strategies.
• Discussing modification strategies: metal site/organic ligand alteration, heterojunction construction, single/dual-atom introduction, and strain engineering.

Main Results:

• MOFs' unique properties facilitate efficient photocatalytic CO2 reduction.
• Various modification strategies significantly improve MOF photocatalyst performance.
• Construction of heterojunctions and incorporation of single/dual-atoms are effective approaches.

Conclusions:

• MOF-based photocatalysts show great potential for CO2 reduction.
• Continued research into advanced modification techniques is crucial for future development.
• Future directions include strain engineering and novel composite designs for enhanced CO2 conversion.