The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.
Rational Design of High‐Concentration Ti3+ in Porous Carbon‐Doped TiO2 Nanosheets for Efficient Photocatalytic Ammonia Synthesis
Abstract
Photocatalytic ammonia synthesis is exciting but quite challenging with a very moderate yield at present. One of the greatest challenges is to develop highly active centers in a photocatalyst for N 2 reduction under ambient conditions. Herein, porous carbon‐doped anatase TiOx (C‐TiOx) nanosheets with high‐concentration active sites of Ti 3+ are presented, which are produced by layered Ti 3 SiC 2 through a reproducible bottom‐up approach. It is shown that the high‐concentration Ti 3+ sites are the major species for the significant increase in N 2 photoreduction activity by the C‐TiOx. Such bottom‐up substitutional doping of C into TiO 2 is responsible for both visible absorption and generation of Ti 3+ concentration. Together with the porous nanosheets morphology and the loading of a Ru/RuO 2 nanosized cocatalyst for enhanced charge separation and transfer, the optimal C‐TiOx with a Ti 3+/Ti 4+ ratio of 72.1% shows a high NH 3 production rate of 109.3 µ mol g−1 h−1 under visible‐light irradiation and a remarkable apparent quantum efficiency of 1.1% at 400 nm, which is the highest compared to all TiO 2‐based photocatalysts at present.
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1 retracted
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Liquid Exfoliation of Layered Materials
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Cited by
Surface Modification of 2D Photocatalysts for Solar Energy Conversion
Feng, C., Wu, Z., Huang, K., Ye, J., & Zhang, H. (2022) · Advanced Materials · doi:10.1002/adma.202200180 · Cited by 456
Metadata
- Authors
- Han, Q., Wu, C., Jiao, H., Xu, R., Wang, Y., Xie, J., Guo, Q., & Tang, J.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2021-01-29
- Volume
- 33
- Issue
- 9
- Pages
- e2008180-e2008180
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W3124341141
- Cited by
- 298
- References
- 39
- FWCI
- 9.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- Han, Q., Wu, C., Jiao, H., Xu, R., Wang, Y., Xie, J., Guo, Q., & Tang, J. (2021). Rational Design of High‐Concentration Ti3+ in Porous Carbon‐Doped TiO2 Nanosheets for Efficient Photocatalytic Ammonia Synthesis. Advanced Materials. https://doi.org/10.1002/adma.202008180
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