The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Synergistic effect of crystal and electronic structures on the visible-light-driven photocatalytic performances of Bi2O3 polymorphs
Abstract
Three polymorphs of Bi(2)O(3) were selectively synthesized via solution-based methods. The phase structures of the as-prepared samples were confirmed by X-ray powder diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). UV-vis diffuse reflectance spectroscopy was employed to study the optical properties of Bi(2)O(3) polymorphs, and the band gaps were estimated to be 2.80, 2.48, and 3.01 eV for α-Bi(2)O(3), β-Bi(2)O(3), and δ-Bi(2)O(3), respectively. The photocatalytic performances of the oxides were investigated by decomposing methyl orange and 4-chlorophenol under visible irradiation at room temperature. It was observed that β-Bi(2)O(3) displayed much higher photocatalytic performance than N-doped P25. Among the three polymorphs of Bi(2)O(3), the photocatalytic activities followed the order: β-Bi(2)O(3) > α-Bi(2)O(3) > δ-Bi(2)O(3), which was in good accordance with the photoluminescence spectra measurement results. The synergistic effect of the crystal and electronic structures on the photocatalytic performances of Bi(2)O(3) polymorphs was investigated. The much better photocatalytic activity of β-Bi(2)O(3) was considered to be closely related to its smaller band gap, higher crystallinity and unique tunnel structure.
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Cited by
Engineering BiOX (X = Cl, Br, I) nanostructures for highly efficient photocatalytic applications
Cheng, H., Huang, B., & Dai, Y. (2014) · Nanoscale · doi:10.1039/c3nr05529a · Cited by 1,119
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Metadata
- Authors
- Cheng, H., Huang, B., Lu, J., Wang, Z., Xu, B., Qin, X., Zhang, X., & Dai, Y.
- Venue
- Physical Chemistry Chemical Physics
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2010
- Volume
- 12
- Issue
- 47
- Pages
- 15468
- ISSN
- 1463-9076 (ISSN-L)
- 1463-9084
- OpenAlex
- W2170608092
- Cited by
- 309
- References
- 29
- FWCI
- 3.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cheng, H., Huang, B., Lu, J., Wang, Z., Xu, B., Qin, X., Zhang, X., & Dai, Y. (2010). Synergistic effect of crystal and electronic structures on the visible-light-driven photocatalytic performances of Bi2O3 polymorphs. Physical Chemistry Chemical Physics. https://doi.org/10.1039/c0cp01189d
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