Rare-Earth Nanomaterials for Photocatalytic Reduction of CO2 稀土纳米材料在光催化二氧化碳还原中的应用
Photocatalytic reduction of CO（ CORR）is one of the most promising strategies for converting CO into value-added products. Its success hinges upon the availability of efficient photocatalysts whose development，not with standing the progress hitherto made，is presently met with their less-than-optimal photoelectric effects and the facile recombination of the photogenerated carriers. Lanthanide ions，characterized with their unique f-electronic structures，possess abundant electronic energy levels that may serve as temporary“resting points”for the photogenerated electrons to promote the separation of the carriers while suppressing their recombination. As such，the photogenerated electrons can be utilized more efficiently for CORR. Moreover，the high oxophilicity and high coordination-number requirement of lanthanide ions enable ready binding and activation of CO onto the catalyst，and thus facilitating the subsequent formation of the O-containing intermediates，affording eventually various products of CORR. In this review，we survey and discuss the applications of rare-earth nanomaterials，those containing lanthanides in particular，for the photocatalytic reduction of CO. The significant and often essential roles of the rare-earth ions are revealed in four specific types of photocatalysts，including pristine rare-earth-based semiconductors，rare-earth-based semiconductors loaded with a cocatalyst，semiconductors doped with rare earth ions，and composites of rare-earth nanomaterials with other semiconductors. A brief summary of the enhancing effects of the rare-earth ions is provided toward the end of this review，which is followed by an account of current challenges and possible corresponding solutions，and pertinent future efforts based on the authors’take of this all-important research field.
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|Document Type||Journal Article|
|Department||Department of Chemistry|
Department of Chemistry,College of Sciences,Southern University of Science and Technology,Shenzhen,518055,China
|First Author Affilication||Department of Chemistry; College of Science|
|Corresponding Author Affilication||Department of Chemistry; College of Science|
|First Author's First Affilication||Department of Chemistry; College of Science|
Pan，Yingying,Li，Yanyan,Zheng，Zhiping. Rare-Earth Nanomaterials for Photocatalytic Reduction of CO2 稀土纳米材料在光催化二氧化碳还原中的应用[J]. Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society,2023,41(3):383-403.
Pan，Yingying,Li，Yanyan,&Zheng，Zhiping.(2023).Rare-Earth Nanomaterials for Photocatalytic Reduction of CO2 稀土纳米材料在光催化二氧化碳还原中的应用.Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society,41(3),383-403.
Pan，Yingying,et al."Rare-Earth Nanomaterials for Photocatalytic Reduction of CO2 稀土纳米材料在光催化二氧化碳还原中的应用".Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society 41.3(2023):383-403.
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