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Correlation of Crystal Structures, Electronic Structures, and Photocatalytic Properties in a Series of Ag-based Oxides: AgAlO2, AgCrO2, and Ag2CrO4
Abstract
Three Ag-based oxides, AgAlO 2, AgCrO 2, and Ag 2 CrO 4, were prepared by the cation exchange method. Powder X-ray diffraction analysis showed that AgAlO 2 and Ag 2 CrO 4 crystallized in orthorhombic structures and AgCrO 2 crystallized in a hexagonal structure. The band gaps of AgAlO 2, AgCrO 2, and Ag 2 CrO 4 were estimated to be 2.95, 1.68, and 1.75 eV, respectively. The photooxidation of Methyl Orange and gaseous benzene were performed to test the activities of the three materials. In the two kinds of reactions, the activity orders were both Ag 2 CrO 4 > AgAlO 2 > AgCrO 2, and it was found that the novel photocatalyst, Ag 2 CrO 4, showed activity in the visible region up to 570 nm. The correlation among crystal structures, electronic structures, and photocatalytic properties in the three Ag-based oxides is discussed in detail.
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Citations
Cited by
Semiconductor-based Photocatalytic Hydrogen Generation
Chen, X., Shen, S., Guo, L., & Mao, S. S. (2010) · Chemical Reviews · doi:10.1021/cr1001645 · Cited by 7,876
Nanostructured materials for photocatalysis
Xu, C., Ravi Anusuyadevi, P., Aymonier, C., Luque, R., & Marre, S. (2019) · Chemical Society Reviews · doi:10.1039/c9cs00102f · Cited by 1,082
Photoelectrocatalytic materials for environmental applications
Zhang, H., Chen, G., & Bahnemann, D. W. (2009) · Journal of Materials Chemistry · doi:10.1039/b821991e · Cited by 960
Ouyang, S., & Ye, J. (2011) · Journal of the American Chemical Society · doi:10.1021/ja110691t · Cited by 287
Self-citationLiu, J. J., Fu, X. L., Chen, S. F., & Zhu, Y. F. (2011) · Applied Physics Letters · doi:10.1063/1.3660319 · Cited by 259
Metadata
- Authors
- Ouyang, S., Li, Z., Ouyang, Z., Yu, T., Ye, J., & Zou, Z.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-02-01
- Volume
- 112
- Issue
- 8
- Pages
- 3134-3141
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W1966296738
- Cited by
- 169
- References
- 0
- FWCI
- 4.72
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ouyang, S., Li, Z., Ouyang, Z., Yu, T., Ye, J., & Zou, Z. (2008). Correlation of Crystal Structures, Electronic Structures, and Photocatalytic Properties in a Series of Ag-based Oxides: AgAlO2, AgCrO2, and Ag2CrO4. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp077127w
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