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Hydrothermal Synthesis of Graphitic Carbon Nitride–Bi2WO6 Heterojunctions with Enhanced Visible Light Photocatalytic Activities
Abstract
Graphitic carbon nitride (C3N4) was hybridized by Bi2WO6 via a hydrothermal method. The high-resolution transmission electron microscopy (HR-TEM) results reveal that an intimate interface between C3N4 and Bi2WO6 forms in the heterojunctions. The UV-vis diffuse reflection spectra show that the resulting C3N4-Bi2WO6 heterojunctions possess more intensive absorption within the visible light range in comparison with pure Bi2WO6. These excellent structural and spectral properties endowed the C3N4-Bi2WO6 heterojunctions with enhanced photocatalytic activities. Significantly, the optimum photocatalytic activity of the 0.5C3N4-0.5Bi2WO6 heterojunction for the degradation of methyl orange (MO) was almost 3 and 155 times higher than those of either individual C3N4 or Bi2WO6. The possible photocatalytic mechanism with superoxide radical species as the main active species in photocatalysis is proposed on the basis of experimental results. Moreover, the heterojunction depicted high stability and durability during six successive cycles.
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Cited by
Ong, W.-J., Tan, L.-L., Ng, Y. H., Yong, S.-T., & Chai, S.-P. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00075 · Cited by 7,147
Efficient and stable Nb2O5 modified g-C3N4 photocatalyst for removal of antibiotic pollutant
Hong, Y., Li, C., Zhang, G., Meng, Y., Yin, B., Zhao, Y., & Shi, W. (2016) · Chemical Engineering Journal · doi:10.1016/j.cej.2016.04.092 · Cited by 365
Huang, H., Cao, R., Yu, S., Xu, K., Hao, W., Wang, Y., Dong, F., Zhang, T., & Zhang, Y. (2017) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2017.07.084 · Cited by 308
Kong, X. Y., Choo, Y. Y., Chai, S.-P., Soh, A. K., & Mohamed, A. R. (2016) · Chemical Communications · doi:10.1039/c6cc07750a · Cited by 292
Zang, Y., Li, L., Li, X., Lin, R., & Li, G. (2014) · Chemical Engineering Journal · doi:10.1016/j.cej.2014.02.068 · Cited by 289
Metadata
- Authors
- Tian, Y., Chang, B., Lu, J., Fu, J., Xi, F., & Dong, X.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-07-22
- Volume
- 5
- Issue
- 15
- Pages
- 7079-7085
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2327990876
- Cited by
- 503
- References
- 0
- FWCI
- 19.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tian, Y., Chang, B., Lu, J., Fu, J., Xi, F., & Dong, X. (2013). Hydrothermal Synthesis of Graphitic Carbon Nitride–Bi2WO6 Heterojunctions with Enhanced Visible Light Photocatalytic Activities. ACS Applied Materials & Interfaces. https://doi.org/10.1021/am4013819
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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