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Synthesis, Characterization, Electronic Structure, and Photocatalytic Activity of Nitrogen-Doped TiO2 Nanocatalyst
Abstract
Nitrogen-doped TiO 2 (N−TiO 2 ) nanocatalyst with spherical shape and homogeneous size has been synthesized through a chemical method using TiCl 3 as precursor. The light absorption onset shifts from 380 nm on pure TiO 2 to the visible region at 550 nm with N−TiO 2 . A clear decrease in the band gap and the nitrogen 2p states on the top of the valence band on N−TiO 2 (compared to TiO 2 ) is deduced from the optical absorption spectroscopy results. The chemical nature of N has been evolved as N−Ti−O in the anatase TiO 2 lattice as identified by X-ray photoelectron spectroscopy (XPS). Photocatalytic decomposition of methylene blue has been carried out both in the UV and in the visible region and N−TiO 2 shows higher activity than the Degussa P25 TiO 2 photocatalyst in the visible region.
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Cites
Environmental applications of semiconductor photocatalysis
Hoffmann, M. R., Martin, S. T., Choi, W., & Bahnemann, D. W. (1995) · Chemical Reviews · doi:10.1021/cr00033a004 · Cited by 18,495
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Xu, S., & Carter, E. A. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00481 · Cited by 652
Kapilashrami, M., Zhang, Y., Liu, Y.-S., Hagfeldt, A., & Guo, J. (2014) · Chemical Reviews · doi:10.1021/cr5000893 · Cited by 508
Structure, Synthesis, and Applications of TiO2 Nanobelts
Zhao, Z., Tian, J., Sang, Y., Cabot, A., & Liu, H. (2015) · Advanced Materials · doi:10.1002/adma.201405589 · Cited by 342
Self-doped Ti 3+ -enhanced TiO 2 nanoparticles with a high-performance photocatalysis
Xing, M., Fang, W., Nasir, M., Ma, Y., Zhang, J., & Anpo, M. (2013) · Journal of Catalysis · doi:10.1016/j.jcat.2012.10.014 · Cited by 309
Liu, G., Wang, L., Sun, C., Yan, X., Wang, X., Chen, Z., Smith, S. C., Cheng, H.-M., & Lu, G. Q. (2009) · Chemistry of Materials · doi:10.1021/cm802986r · Cited by 295
Metadata
- Authors
- Sathish, M., Viswanathan, B., Viswanath, R. P., & Gopinath, C. S.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-11-17
- Volume
- 17
- Issue
- 25
- Pages
- 6349-6353
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2094802313
- Cited by
- 912
- References
- 1
- FWCI
- 19.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sathish, M., Viswanathan, B., Viswanath, R. P., & Gopinath, C. S. (2005). Synthesis, Characterization, Electronic Structure, and Photocatalytic Activity of Nitrogen-Doped TiO2 Nanocatalyst. Chemistry of Materials. https://doi.org/10.1021/cm052047v
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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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