General framework for enzyme-photo-coupled catalytic system toward carbon dioxide conversion

Area of Science:

• Catalysis
• Biotechnology
• Environmental Science

Background:

• Rising carbon dioxide (CO2) emissions drive the need for effective carbon neutrality strategies.
• Enzyme-photo-coupled catalytic systems (EPCCSs) integrate semiconductor photocatalysts and enzymes for CO2 conversion.
• EPCCSs represent a promising green platform for sustainable chemical synthesis.

Purpose of the Study:

• To review recent advancements in EPCCS design and application for CO2 conversion.
• To explore EPCCSs from the perspectives of pathway, reaction, and system engineering.
• To provide insights into the future opportunities and challenges of EPCCSs.

Main Methods:

• Summarizing explored pathways for CO2 conversion to C1 and C2+ products using EPCCSs.
• Analyzing the kinetic matching between photocatalytic and enzymatic reactions within EPCCSs.
• Investigating the interplay between photocatalytic and enzymatic modules and employing compartmentalization strategies.

Main Results:

• Detailed discussion of various EPCCS pathways for CO2 valorization.
• Analysis of kinetic compatibility crucial for efficient EPCCS operation.
• Demonstration of compartmentalization as a strategy to mitigate negative module interactions.

Conclusions:

• EPCCSs are a powerful tool for CO2 conversion, contributing to carbon neutrality.
• Optimizing pathway, reaction, and system engineering is key for EPCCS development.
• Future research should address challenges and explore new opportunities in EPCCS technology.