Advances in Covalent-Organic Frameworks for Photocatalysis and Electrocatalysis

Area of Science:

• Materials Science
• Catalysis
• Nanotechnology

Background:

• Covalent-organic frameworks (COFs) are advanced materials with tunable structures, high surface areas, and stability.
• COFs are increasingly recognized for their potential in photocatalysis and electrocatalysis.

Purpose of the Study:

• To systematically review recent advancements in COF design, synthesis, and functionalization for catalytic applications.
• To discuss reaction mechanisms and applications of COFs in key electrocatalytic and photocatalytic processes.
• To provide insights into structure-property relationships and future research directions for COF development.

Main Methods:

• Topology control and flexibility modulation for COF optimization.
• Thin-film fabrication and multilayer stacking strategies for enhanced performance.
• Systematic comparison of COF catalysts across various reaction types.

Main Results:

• COFs demonstrate significant potential in oxygen evolution (OER), hydrogen evolution (HER), oxygen reduction (ORR), and hydrogen oxidation (HOR) reactions.
• COFs are effective in photocatalytic water splitting, CO2 reduction, and pollutant degradation.
• Key structure-property relationships influencing COF catalytic performance are identified.

Conclusions:

• COFs offer a versatile platform for developing efficient catalysts.
• Further research is needed to overcome challenges and unlock the full potential of COFs in sustainable energy applications.
• This review provides a comprehensive overview and critical analysis for guiding future COF research.