The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Effects of F- Doping on the Photocatalytic Activity and Microstructures of Nanocrystalline TiO2 Powders
Abstract
A novel and simple method for preparing highly photoactive nanocrystalline F - -doped TiO 2 photocatalyst with anatase and brookite phase was developed by hydrolysis of titanium tetraisopropoxide in a mixed NH 4 F−H 2 O solution. The prepared F - -doped TiO 2 powders were characterized by differential thermal analysis-thermogravimetry (DTA-TG), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), UV−vis absorption spectroscopy, photoluminescence spectra (PL), transmission electron microscopy (TEM), and BET surface areas. The photocatalytic activity was evaluated by the photocatalytic oxidation of acetone in air. The results showed that the crystallinity of anatase was improved upon F - doping. Moreover, fluoride ions not only suppressed the formation of brookite phase but also prevented phase transition of anatase to rutile. The F - -doped TiO 2 samples exhibited stronger absorption in the UV−visible range with a red shift in the band gap transition. The photocatalytic activity of F - -doped TiO 2 powders prepared by this method exceeded that of Degussa P25 when the molar ratio of NH 4 F to H 2 O was kept in the range of 0.5−3.
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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
Photocatalysis on TiO2 Surfaces: Principles, Mechanisms, and Selected Results
Linsebigler, A. L., Lu, G., & Yates, J. T. (1995) · Chemical Reviews · doi:10.1021/cr00035a013 · Cited by 11,575
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TiO2 photocatalysis and related surface phenomena
FUJISHIMA, A., ZHANG, X., & TRYK, D. (2008) · Surface Science Reports · doi:10.1016/j.surfrep.2008.10.001 · Cited by 6,737
Review of the anatase to rutile phase transformation
Hanaor, D. A. H., & Sorrell, C. C. (2011) · Journal of Materials Science · doi:10.1007/s10853-010-5113-0 · Cited by 3,394
Graphene-based semiconductor photocatalysts
Xiang, Q., Yu, J., & Jaroniec, M. (2012) · Chem. Soc. Rev. · doi:10.1039/c1cs15172j · Cited by 2,730
Self-citationAdvanced Nanoarchitectures for Solar Photocatalytic Applications
Kubacka, A., Fernández-García, M., & Colón, G. (2012) · Chemical Reviews · doi:10.1021/cr100454n · Cited by 2,373
Heterogeneous Photocatalysis: Recent Advances and Applications
Ibhadon, A., & Fitzpatrick, P. (2013) · Catalysts · doi:10.3390/catal3010189 · Cited by 1,409
Metadata
- Authors
- Yu, J. C., Yu, Ho, Jiang, & Zhang
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-08-13
- Volume
- 14
- Issue
- 9
- Pages
- 3808-3816
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W1972406184
- Cited by
- 2,166
- References
- 2
- FWCI
- 24.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yu, J. C., Yu, Ho, Jiang, & Zhang. (2002). Effects of F- Doping on the Photocatalytic Activity and Microstructures of Nanocrystalline TiO2 Powders. Chemistry of Materials. https://doi.org/10.1021/cm020027c
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