Boosted Efficiency of Fe2O3 for Photocatalytic CO2 Reduction via Engineering Fe−O−Ti Bonding
Abstract Visible light‐driven photocatalytic CO2 reduction (CO2RR) offers a sustainable and promising solution to environmental and energy challenges. However, the design of efficient photocatalysts is hindered by poor interface interactions in heterojunctions and a limited understanding of reaction...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2025-01-01
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| Series: | Advanced Science |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/advs.202409002 |
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| Summary: | Abstract Visible light‐driven photocatalytic CO2 reduction (CO2RR) offers a sustainable and promising solution to environmental and energy challenges. However, the design of efficient photocatalysts is hindered by poor interface interactions in heterojunctions and a limited understanding of reaction kinetics. A modified Fe2O3 photocatalyst, M‐Fe2O3@MXene, is introduced featuring KH‐550‐modified M‐Fe2O3 hollow nanocubes coated with MXene, constructed via an electrostatic and Fe−O−Ti bonding self‐assembly method. This design achieves an unprecedented CO production rate of 240 µmol g⁻¹ h⁻¹ among non‐noble metal catalysts (8.6 folds vs Fe2O3). The Fe−O−Ti sites enhance *COOH intermediate formation and CO production through higher electron deficiency of Fe3+ and rapid charge transfer. This study offers new insights on the use of functional metal oxides and high‐quality Mxene layers to design efficient metal oxide‐based photocatalysts. |
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| ISSN: | 2198-3844 |