{"title":"光催化空气浓度CO2还原成C2H6的多位点导向C-C耦合","authors":"Guangbing Huang, Dongpo He, Ziyao Zhou, Wensheng Yan, Yang Pan, Jun Hu, Junfa Zhu, Xiaodong Zhang, Yuming Dong, Jiaqi Xu, Xingchen Jiao","doi":"10.1007/s40843-025-3464-4","DOIUrl":null,"url":null,"abstract":"<p>Efforts to photoconvert carbon dioxide (CO<sub>2</sub>) into C<sub>2</sub> products are primarily hindered by the significant energy barrier of C–C coupling step. Herein, we incorporate active metal particles with localized surface plasmon resonance on metal oxide nanosheets. Also, we construct multiple metal pair sites to boost C–C coupling, thus promoting the formation of C<sub>2</sub> fuels. Taking Au nanoparticles on the Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets as an example, high-resolution transmission electron microscopy images and X-ray photoelectron spectroscopy illuminate the Au-Ti metal pair sites on the Au-Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets. <i>In situ</i> Fourier transform infrared spectra reveal the presence of the *OCCOH intermediate on the surface of Au-Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets during CO<sub>2</sub> photoreduction, while the intermediate is not detected on the Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets. Accordingly, the Au-Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets realize photoreduction of atmospheric-concentration CO<sub>2</sub> into ethane using a single catalyst. By contrast, the Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets alone are limited to producing C<sub>1</sub> products such as carbon monoxide and methane.\n</p>","PeriodicalId":773,"journal":{"name":"Science China Materials","volume":"203 1","pages":""},"PeriodicalIF":7.4000,"publicationDate":"2025-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Multisite-steered C–C coupling for photocatalytic air-concentration CO2 reduction into C2H6\",\"authors\":\"Guangbing Huang, Dongpo He, Ziyao Zhou, Wensheng Yan, Yang Pan, Jun Hu, Junfa Zhu, Xiaodong Zhang, Yuming Dong, Jiaqi Xu, Xingchen Jiao\",\"doi\":\"10.1007/s40843-025-3464-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Efforts to photoconvert carbon dioxide (CO<sub>2</sub>) into C<sub>2</sub> products are primarily hindered by the significant energy barrier of C–C coupling step. Herein, we incorporate active metal particles with localized surface plasmon resonance on metal oxide nanosheets. Also, we construct multiple metal pair sites to boost C–C coupling, thus promoting the formation of C<sub>2</sub> fuels. Taking Au nanoparticles on the Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets as an example, high-resolution transmission electron microscopy images and X-ray photoelectron spectroscopy illuminate the Au-Ti metal pair sites on the Au-Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets. <i>In situ</i> Fourier transform infrared spectra reveal the presence of the *OCCOH intermediate on the surface of Au-Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets during CO<sub>2</sub> photoreduction, while the intermediate is not detected on the Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets. Accordingly, the Au-Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets realize photoreduction of atmospheric-concentration CO<sub>2</sub> into ethane using a single catalyst. By contrast, the Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> nanosheets alone are limited to producing C<sub>1</sub> products such as carbon monoxide and methane.\\n</p>\",\"PeriodicalId\":773,\"journal\":{\"name\":\"Science China Materials\",\"volume\":\"203 1\",\"pages\":\"\"},\"PeriodicalIF\":7.4000,\"publicationDate\":\"2025-07-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Science China Materials\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1007/s40843-025-3464-4\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Science China Materials","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1007/s40843-025-3464-4","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Multisite-steered C–C coupling for photocatalytic air-concentration CO2 reduction into C2H6
Efforts to photoconvert carbon dioxide (CO2) into C2 products are primarily hindered by the significant energy barrier of C–C coupling step. Herein, we incorporate active metal particles with localized surface plasmon resonance on metal oxide nanosheets. Also, we construct multiple metal pair sites to boost C–C coupling, thus promoting the formation of C2 fuels. Taking Au nanoparticles on the Bi4Ti3O12 nanosheets as an example, high-resolution transmission electron microscopy images and X-ray photoelectron spectroscopy illuminate the Au-Ti metal pair sites on the Au-Bi4Ti3O12 nanosheets. In situ Fourier transform infrared spectra reveal the presence of the *OCCOH intermediate on the surface of Au-Bi4Ti3O12 nanosheets during CO2 photoreduction, while the intermediate is not detected on the Bi4Ti3O12 nanosheets. Accordingly, the Au-Bi4Ti3O12 nanosheets realize photoreduction of atmospheric-concentration CO2 into ethane using a single catalyst. By contrast, the Bi4Ti3O12 nanosheets alone are limited to producing C1 products such as carbon monoxide and methane.
期刊介绍:
Science China Materials (SCM) is a globally peer-reviewed journal that covers all facets of materials science. It is supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China. The journal is jointly published monthly in both printed and electronic forms by Science China Press and Springer. The aim of SCM is to encourage communication of high-quality, innovative research results at the cutting-edge interface of materials science with chemistry, physics, biology, and engineering. It focuses on breakthroughs from around the world and aims to become a world-leading academic journal for materials science.