Molecular Catalysts for the Reductive Homocoupling of CO₂ towards C₂₊ Compounds

Area of Science:

• Catalysis
• Electrochemistry
• Sustainable Chemistry

Background:

• Reductive homocoupling of carbon dioxide (CO2) converts renewable energy into chemical energy carriers.
• Heterogeneous metallic catalysts dominate current research, leaving molecular catalysts underexplored.
• Molecular catalysts offer potential for deep mechanistic understanding and precise product selectivity.

Purpose of the Study:

• To review recent advancements in molecular catalyst-mediated reductive homocoupling of CO2.
• To explore both thermochemical and electrochemical approaches for CO2 conversion.
• To discuss reductive carbon monoxide (CO) homocoupling as a model for CO2 reduction intermediates.

Main Methods:

• Summary of recent progress in molecular catalysis for CO2 reductive homocoupling.
• Analysis of thermochemical and electrochemical conversion pathways.
• Discussion of CO homocoupling as a model system.

Main Results:

• Molecular catalysts show significant potential for selective CO2 to C2+ product conversion.
• Both thermal and electrochemical methods are viable for molecular catalyst-mediated reactions.
• Understanding CO homocoupling can inspire new catalyst designs for CO2 reduction.

Conclusions:

• Molecular catalysts are a key area for developing efficient CO2 conversion technologies.
• Further research into molecular catalysts can lead to sustainable fuels and chemicals.
• The study of CO homocoupling provides valuable insights for future CO2 reduction catalyst development.