{"title":"Boosted Efficiency of Fe<sub>2</sub>O<sub>3</sub> for Photocatalytic CO<sub>2</sub> Reduction via Engineering Fe-O-Ti Bonding.","authors":"Jingyi Wu, Wei Wang, Xudan Chen, Qiquan Luo, Changzeng Yan, Zhen Jiao, Yuehui Li","doi":"10.1002/advs.202409002","DOIUrl":null,"url":null,"abstract":"<p><p>Visible light-driven photocatalytic CO<sub>2</sub> reduction (CO<sub>2</sub>RR) 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 Fe<sub>2</sub>O<sub>3</sub> photocatalyst, M-Fe<sub>2</sub>O<sub>3</sub>@MXene, is introduced featuring KH-550-modified M-Fe<sub>2</sub>O<sub>3</sub> 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 Fe<sub>2</sub>O<sub>3</sub>). The Fe-O-Ti sites enhance *COOH intermediate formation and CO production through higher electron deficiency of Fe<sup>3+</sup> 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.</p>","PeriodicalId":117,"journal":{"name":"Advanced Science","volume":" ","pages":"e2409002"},"PeriodicalIF":14.3000,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Science","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1002/advs.202409002","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
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.
期刊介绍：
Advanced Science is a prestigious open access journal that focuses on interdisciplinary research in materials science, physics, chemistry, medical and life sciences, and engineering. The journal aims to promote cutting-edge research by employing a rigorous and impartial review process. It is committed to presenting research articles with the highest quality production standards, ensuring maximum accessibility of top scientific findings. With its vibrant and innovative publication platform, Advanced Science seeks to revolutionize the dissemination and organization of scientific knowledge.
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