{"title":"金簇修饰CeO2高效光热催化还原CO2制CH4","authors":"Changjun You, Junhai Wang, Yuan Yin, Boyi Yang, Yitao Si, Jiancheng Zhou","doi":"10.1007/s10562-025-05155-w","DOIUrl":null,"url":null,"abstract":"<div><p>Photothermal catalytic CO<sub>2</sub> conversion into chemical fuels is of economic value, yet it faces the challenges of low efficiency and instability. To address these issues, this study developed a solar-light-driven catalysis system using Au<sub>8</sub>/CeO<sub>2</sub> and concentrated irradiation to enhance CO<sub>2</sub> conversion performance. This system contributes to a significant solar-to-chemical energy conversion efficiency improvement from 0.12 to 0.35‰. Simultaneously, the CH<sub>4</sub> production rate was improved by 21.7-fold (from 12.9 to 280.2 μmol g<sup>−1</sup> h<sup>−1</sup>) compared to the benchmark CeO<sub>2</sub> photocatalyst. During the reaction, Au clusters demonstrated enhanced light absorption capacity and elevated surface temperature of the photocatalyst, which increased charge carrier concentration, up-shifted the Fermi level, and reduced apparent activation energy. These effects synergistically promoted reaction efficiency. This catalysis system offers an efficient and sustainable approach for solar-driven CO<sub>2</sub> conversion, presenting promising potential for practical applications in renewable energy utilization.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":508,"journal":{"name":"Catalysis Letters","volume":"155 10","pages":""},"PeriodicalIF":2.3000,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Au Cluster-Decorated CeO2 for High-Efficiency Photothermal Catalytic Reduction of CO2 to CH4\",\"authors\":\"Changjun You, Junhai Wang, Yuan Yin, Boyi Yang, Yitao Si, Jiancheng Zhou\",\"doi\":\"10.1007/s10562-025-05155-w\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Photothermal catalytic CO<sub>2</sub> conversion into chemical fuels is of economic value, yet it faces the challenges of low efficiency and instability. To address these issues, this study developed a solar-light-driven catalysis system using Au<sub>8</sub>/CeO<sub>2</sub> and concentrated irradiation to enhance CO<sub>2</sub> conversion performance. This system contributes to a significant solar-to-chemical energy conversion efficiency improvement from 0.12 to 0.35‰. Simultaneously, the CH<sub>4</sub> production rate was improved by 21.7-fold (from 12.9 to 280.2 μmol g<sup>−1</sup> h<sup>−1</sup>) compared to the benchmark CeO<sub>2</sub> photocatalyst. During the reaction, Au clusters demonstrated enhanced light absorption capacity and elevated surface temperature of the photocatalyst, which increased charge carrier concentration, up-shifted the Fermi level, and reduced apparent activation energy. These effects synergistically promoted reaction efficiency. This catalysis system offers an efficient and sustainable approach for solar-driven CO<sub>2</sub> conversion, presenting promising potential for practical applications in renewable energy utilization.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":508,\"journal\":{\"name\":\"Catalysis Letters\",\"volume\":\"155 10\",\"pages\":\"\"},\"PeriodicalIF\":2.3000,\"publicationDate\":\"2025-09-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Catalysis Letters\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s10562-025-05155-w\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"CHEMISTRY, PHYSICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Catalysis Letters","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s10562-025-05155-w","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
Au Cluster-Decorated CeO2 for High-Efficiency Photothermal Catalytic Reduction of CO2 to CH4
Photothermal catalytic CO2 conversion into chemical fuels is of economic value, yet it faces the challenges of low efficiency and instability. To address these issues, this study developed a solar-light-driven catalysis system using Au8/CeO2 and concentrated irradiation to enhance CO2 conversion performance. This system contributes to a significant solar-to-chemical energy conversion efficiency improvement from 0.12 to 0.35‰. Simultaneously, the CH4 production rate was improved by 21.7-fold (from 12.9 to 280.2 μmol g−1 h−1) compared to the benchmark CeO2 photocatalyst. During the reaction, Au clusters demonstrated enhanced light absorption capacity and elevated surface temperature of the photocatalyst, which increased charge carrier concentration, up-shifted the Fermi level, and reduced apparent activation energy. These effects synergistically promoted reaction efficiency. This catalysis system offers an efficient and sustainable approach for solar-driven CO2 conversion, presenting promising potential for practical applications in renewable energy utilization.
期刊介绍：
Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.
The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.
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