The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Ag/AgBr/TiO2 Visible Light Photocatalyst for Destruction of Azodyes and Bacteria
Abstract
Ag/AgBr/TiO2 was prepared by the deposition-precipitation method and was found to be a novel visible light driven photocatalyst. The catalyst showed high efficiency for the degradation of nonbiodegradable azodyes and the killing of Escherichia coli under visible light irradiation (lambda>420 nm). The catalyst activity was maintained effectively after successive cyclic experiments under UV or visible light irradiation without the destruction of AgBr. On the basis of the characterization of X-ray diffraction, X-ray photoelectron spectroscopy, and Auger electron spectroscopy, the surface Ag species mainly exist as Ag0 in the structure of all samples before and after reaction, and Ag0 species scavenged hVB+ and then trapped eCB- in the process of photocatalytic reaction, inhibiting the decomposition of AgBr. The studies of ESR and H2O2 formation revealed that *OH and O2*- were formed in visible light irradiated aqueous Ag/AgBr/TiO2 suspension, while there was no reactive oxygen species in the visible light irradiated Ag0/TiO2 system. The results indicate that AgBr is the main photoactive species for the destruction of azodyes and bacteria under visible light. In addition, the bactericidal efficiency and killing mechanism of Ag/AgBr/TiO2 under visible light irradiation are illustrated and discussed.
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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
Cited by
Silver doped titanium dioxide nanomaterials for enhanced visible light photocatalysis
Seery, M. K., George, R., Floris, P., & Pillai, S. C. (2007) · Journal of Photochemistry and Photobiology A: Chemistry · doi:10.1016/j.jphotochem.2007.02.010 · Cited by 616
Zhang, G., Kim, G., & Choi, W. (2014) · Energy & Environmental Science · doi:10.1039/c3ee43147a · Cited by 470
Degradation of Acid Orange 7 using magnetic AgBr under visible light: The roles of oxidizing species
Li, G., Wong, K. H., Zhang, X., Hu, C., Yu, J. C., Chan, R. C. Y., & Wong, P. K. (2009) · Chemosphere · doi:10.1016/j.chemosphere.2009.06.027 · Cited by 414
Self-citationKhezerlou, A., Alizadeh-Sani, M., Azizi-Lalabadi, M., & Ehsani, A. (2018) · Microbial Pathogenesis · doi:10.1016/j.micpath.2018.08.008 · Cited by 404
Yao, X., Liu, X., & Hu, X. (2014) · ChemCatChem · doi:10.1002/cctc.201402487 · Cited by 64
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Metadata
- Authors
- Hu, C., Lan, Y., Qu, J., Hu, X., & Wang, A.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-02-14
- Volume
- 110
- Issue
- 9
- Pages
- 4066-4072
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2021337675
- Cited by
- 578
- References
- 2
- FWCI
- 13.30
- Type
- journal article
- Language
- en
- Open access
- closed
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