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Toward visible-light-assisted photocatalytic nitrogen fixation: A titanium metal organic framework with functionalized ligands
Abstract
Abstract The fixation of atmospheric dinitrogen to ammonia is one of the most essential processes for sustaining life. Since the N N bond in dinitrogen is one of the strongest bonds in chemistry, it remains a grand challenge to develop efficient catalysts for fixation of N2 under ambient conditions. Herein we report for the first time on visible-light-assisted photocatalytic nitrogen fixation by metal organic framework material at room temperature and pressure. The Ti3+ species induced by electron transfer from ligand-to-metal charge transfer process provide active sites for N2 reduction. Furthermore, visible-light-assisted photocatalytic N2 fixation is achieved by ligands functionalization which extend the light harvesting of the MOF to visible region. The integration of Ti sites and amine-functionalized linkers in NH2-MIL-125 (Ti) shows the highest visible light photocatalysis efficiency at a rate of 12.3 μmol g−1 h−1. This Ti MOF system therefore shows a potential as a new design of combining light-harvesting and catalytic components in a single solid platform for green NH3 production.
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Xu, H.-Q., Hu, J., Wang, D., Li, Z., Zhang, Q., Luo, Y., Yu, S.-H., & Jiang, H.-L. (2015) · Journal of the American Chemical Society · doi:10.1021/jacs.5b08773 · Cited by 1,166
Cited by
Updates on the Roadmap for Photocatalysis
Melchionna, M., & Fornasiero, P. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c01204 · Cited by 470
Yan, Y., Li, C., Wu, Y., Gao, J., & Zhang, Q. (2020) · Journal of Materials Chemistry A · doi:10.1039/d0ta03749d · Cited by 260
Metadata
- Authors
- Huang, H., Wang, X.-S., Philo, D., Ichihara, F., Song, H., Li, Y., Li, D., Qiu, T., Wang, S., & Ye, J.
- Venue
- Applied Catalysis B: Environmental
- Publisher
- Elsevier BV
- Published
- 2020-06
- Volume
- 267
- Pages
- 118686
- ISSN
- 0926-3373 (ISSN-L)
- OpenAlex
- W3000983823
- Cited by
- 252
- References
- 1
- FWCI
- 21.05
- Type
- journal article
- Language
- en
- Open access
- closed
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- Huang, H., Wang, X.-S., Philo, D., Ichihara, F., Song, H., Li, Y., Li, D., Qiu, T., Wang, S., & Ye, J. (2020). Toward visible-light-assisted photocatalytic nitrogen fixation: A titanium metal organic framework with functionalized ligands. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2020.118686
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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