Fluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splitting
Abstract Photocatalytic overall water splitting is a promising approach for a sustainable hydrogen provision using solar energy. For sufficient solar energy utilization, this reaction ought to be operated based on visible-light-active semiconductors, which is very challenging. In this work, an F-exp...
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| Format: | Article |
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Nature Portfolio
2025-01-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-55748-z |
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| author | Jinxing Yu Jie Huang Ronghua Li Yanbo Li Gang Liu Xiaoxiang Xu |
| author_facet | Jinxing Yu Jie Huang Ronghua Li Yanbo Li Gang Liu Xiaoxiang Xu |
| author_sort | Jinxing Yu |
| collection | DOAJ |
| description | Abstract Photocatalytic overall water splitting is a promising approach for a sustainable hydrogen provision using solar energy. For sufficient solar energy utilization, this reaction ought to be operated based on visible-light-active semiconductors, which is very challenging. In this work, an F-expedited nitridation strategy is applied to modify the wide-bandgap semiconductor Sr2TiO4 for visible-light-driven photocatalytic overall water splitting. Compared to the conventional nitridation approach, F-expedited nitridation introduces the desirable integration of a high concentration of N dopant for strong visible light absorption and a low concentration of defects (i.e. Ti3+ and oxygen vacancies) for effective separation of photocarriers. After being coated with Ti-oxyhydroxide protection layer and deposited with RhCrOy cocatalyst, the product from F-expedited nitridation can stably run photocatalytic overall water splitting with apparent quantum efficiency of 0.39% at 420 ± 20 nm and solar-to-hydrogen efficiency of 0.028%. These findings justify the effectiveness of F-expedited nitridation strategy and serve as a guidance to upgrade the photocatalytic activity of many other wide-bandgap semiconductors. |
| format | Article |
| id | doaj-art-12546160b0bb471aa88b2d74e558715f |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-12546160b0bb471aa88b2d74e558715f2025-01-05T12:37:59ZengNature PortfolioNature Communications2041-17232025-01-0116111010.1038/s41467-024-55748-zFluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splittingJinxing Yu0Jie Huang1Ronghua Li2Yanbo Li3Gang Liu4Xiaoxiang Xu5Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji UniversityShenyang National laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadInstitute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of ChinaInstitute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of ChinaShenyang National laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua RoadShanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji UniversityAbstract Photocatalytic overall water splitting is a promising approach for a sustainable hydrogen provision using solar energy. For sufficient solar energy utilization, this reaction ought to be operated based on visible-light-active semiconductors, which is very challenging. In this work, an F-expedited nitridation strategy is applied to modify the wide-bandgap semiconductor Sr2TiO4 for visible-light-driven photocatalytic overall water splitting. Compared to the conventional nitridation approach, F-expedited nitridation introduces the desirable integration of a high concentration of N dopant for strong visible light absorption and a low concentration of defects (i.e. Ti3+ and oxygen vacancies) for effective separation of photocarriers. After being coated with Ti-oxyhydroxide protection layer and deposited with RhCrOy cocatalyst, the product from F-expedited nitridation can stably run photocatalytic overall water splitting with apparent quantum efficiency of 0.39% at 420 ± 20 nm and solar-to-hydrogen efficiency of 0.028%. These findings justify the effectiveness of F-expedited nitridation strategy and serve as a guidance to upgrade the photocatalytic activity of many other wide-bandgap semiconductors.https://doi.org/10.1038/s41467-024-55748-z |
| spellingShingle | Jinxing Yu Jie Huang Ronghua Li Yanbo Li Gang Liu Xiaoxiang Xu Fluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splitting Nature Communications |
| title | Fluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splitting |
| title_full | Fluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splitting |
| title_fullStr | Fluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splitting |
| title_full_unstemmed | Fluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splitting |
| title_short | Fluorine-expedited nitridation of layered perovskite Sr2TiO4 for visible-light-driven photocatalytic overall water splitting |
| title_sort | fluorine expedited nitridation of layered perovskite sr2tio4 for visible light driven photocatalytic overall water splitting |
| url | https://doi.org/10.1038/s41467-024-55748-z |
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