Recent Development of Defect Engineering in Photocatalytic CO2 Reduction
Yanling Han1, Jiari He2, Lin Tian1
1Key Laboratory of Functional Materials for Production, Storage and Utilization of Industrial Byproduct Hydrogen in Jiangsu's Universities, School of Material and Chemical Engineering, Xuzhou University of Technology, Xuzhou 221018, China.
Langmuir : the ACS Journal of Surfaces and Colloids
|April 30, 2026
Summary
Defect engineering enhances photocatalytic CO2 reduction for greenhouse gas utilization and renewable energy conversion. This review details defect types, construction, and applications, addressing current challenges and future directions in photocatalysis.
Area of Science:
- Materials Science
- Chemical Engineering
- Environmental Science
Background:
- Photocatalytic CO2 reduction is key for greenhouse gas utilization and renewable energy.
- Defect engineering optimizes material properties for enhanced photocatalysis.
- Traditional materials face challenges like high carrier recombination and weak CO2 adsorption.
Purpose of the Study:
- To systematically review defect engineering in photocatalytic CO2 reduction.
- To outline defect types, construction methods, and applications.
- To analyze current challenges and future prospects in the field.
Main Methods:
- Comprehensive literature review of defect engineering strategies.
- Analysis of defect-induced modifications to electronic and band structures.
- Evaluation of defect impact on light absorption, redox performance, and charge transfer.
Main Results:
- Defect engineering precisely regulates material properties, improving efficiency.
- Various defect types and construction methods are identified.
- Latest research achievements and applications of defects in CO2 reduction are detailed.
Conclusions:
- Defect engineering offers effective solutions for photocatalytic CO2 reduction.
- Addressing technical bottlenecks is crucial for further development.
- This review provides a foundation for designing efficient photocatalytic materials.
