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Selective Preparation of Monoclinic and Tetragonal BiVO4with Scheelite Structure and Their Photocatalytic Properties
Abstract
BiVO 4 powder with scheelite structure was obtained by hydrolyzing a nitric acid solution of Bi(NO 3 ) 3 and Na 3 VO 4 with bases (Na 2 CO 3 and NaHCO 3 ) at room temperature. Tetragonal BiVO 4 of a high-temperature form was obtained after 4.5 h of preparation time while monoclinic BiVO 4 was done after 46 h. Although the structure and the band gap of tetragonal BiVO 4 with scheelite structure were similar to those of monoclinic BiVO 4, the photocatalytic activity of the tetragonal BiVO 4 for O 2 evolution from an aqueous AgNO 3 solution under visible light irradiation was negligible. In contrast, the monoclinic BiVO 4 showed high photocatalytic activity. Distortion of a Bi−O polyhedron by a 6s 2 lone pair of Bi 3+ plays an important role for high photocatalytic activity of the monoclinic BiVO 4 under visible light irradiation.
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Citations
Cited by
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Kubacka, A., Fernández-García, M., & Colón, G. (2012) · Chemical Reviews · doi:10.1021/cr100454n · Cited by 2,373
Abe, R. (2010) · Journal of Photochemistry and Photobiology C: Photochemistry Reviews · doi:10.1016/j.jphotochemrev.2011.02.003 · Cited by 1,223
Nature and Light Dependence of Bulk Recombination in Co-Pi-Catalyzed BiVO4 Photoanodes
Abdi, F. F., & van de Krol, R. (2012) · The Journal of Physical Chemistry C · doi:10.1021/jp3007552 · Cited by 573
Kato, H., Kobayashi, H., & Kudo, A. (2002) · The Journal of Physical Chemistry B · doi:10.1021/jp025974n · Cited by 486
Self-citationTan, H. L., Amal, R., & Ng, Y. H. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta04441k · Cited by 459
Metadata
- Authors
- Tokunaga, S., Kato, H., & Kudo, A.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-11-30
- Volume
- 13
- Issue
- 12
- Pages
- 4624-4628
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W1995753210
- Cited by
- 1,112
- References
- 0
- FWCI
- 5.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tokunaga, S., Kato, H., & Kudo, A. (2001). Selective Preparation of Monoclinic and Tetragonal BiVO4with Scheelite Structure and Their Photocatalytic Properties. Chemistry of Materials. https://doi.org/10.1021/cm0103390
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