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Advances in photocatalytic systems integrating CO2 reduction with value-added oxidation reactions
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AI
DOI：10.1016/j.jechem.2026.05.055.png)
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Abstract
En 中文
Photocatalytic CO2 reduction has garnered widespread attention for its environmental friendliness and ability to achieve highly efficient CO2 valorization. However, traditional research has mostly focused on improving CO2 reduction efficiency while neglecting the rational design and utilization of the oxidative capacity of the catalyst. With the emergence of the concept of “full utilization of photogenerated e− and h+”, the types of coupled CO2 reduction and value-added oxidation reactions have continued to expand in recent years. However, there remains a lack of systematic reviews, particularly regarding the classification and in-depth exploration of catalytic mechanisms for emerging reaction types, such as the value-added oxidation of organic pollutants and integrated oxidation involving CO2. Based on the photogenerated e−-h+ synergy mechanism, this review systematically elucidates the types and pathways of existing CO2 reduction-coupled oxidation reactions. By analyzing carrier separation and migration mechanisms, it summarizes key design principles such as catalyst bandgap matching, interface engineering, and coupled reaction pathways optimization, providing guidance for future research on high-value chemicals preparation. Furthermore, addressing current challenges in quantum efficiency, product selectivity, and process scaling, this review proposes cutting-edge research directions such as in-situ dynamic characterization, AI-assisted material design, and photo-electro-coupled catalytic systems. This review aims to deepen understanding of the mechanisms underlying the full utilization of photogenerated e− and h+ for high-value chemicals production, thereby advancing the development of efficient and economical synergistic photocatalytic systems.
Keywords:
Photocatalyst
CO2 reduction
Oxidation
Coupling catalysis
Value-added products
Journal
IF:
14.9
Papers:
6.2K
Citations:
4.5W
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