The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Photocatalytic hydrogen evolution and bacterial inactivation utilizing sonochemical-synthesized g-C3N4/red phosphorus hybrid nanosheets as a wide-spectral-responsive photocatalyst: The role of type I band alignment
Abstract
Abstract Efficient sunlight harvesting is imperative in the design of ideal photocatalysts for both environmental and energy applications. In this study, a wide-spectral-responsive photocatalyst composited of g-C3N4/red P (CNP) hybrid nanosheets was developed by a one-step “green” sonochemical method at room temperature. Ultrasound irradiation causes exfoliation of the layered g-C3N4, downsizing the red P particles and anchoring them onto the g-C3N4 nanosheets to form intimate CNP heterojunctions. As a dual active center photocatalyst, the CNP heterostructures exhibit significantly enhanced photocatalytic activity both for H2 evolution and bacterial inactivation under visible light irradiation. In addition, the responsive wavelength of this new-fabricated photocatalyst can be extended to 700 nm. The crucial role of type I band alignment between g-C3N4 and red P is illuminated to facilitate the interface charge separation and extend the light response by efficiently utilizing the photogenerated e− excited from both g-C3N4 and red P. Moreover, a direct h+ oxidation mechanism rather than a e- reduction mechanism is also found for bacterial inactivation under anaerobic conditions. This work provides a general strategy to fabricate novel metal-free heterostructures with wide-spectral-responsive photocatalytic activity by taking advantage of the type I band alignment combined with the narrow band gap feature of elemental red P.
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Cites
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Cited by
Shi, W., Liu, C., Li, M., Lin, X., Guo, F., & Shi, J. (2020) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2019.121907 · Cited by 363
The nonmetal modulation of composition and morphology of g-C3N4-based photocatalysts
He, F., Wang, Z., Li, Y., Peng, S., & Liu, B. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.118828 · Cited by 346
Yu, Y., & Huang, H. (2023) · Chemical Engineering Journal · doi:10.1016/j.cej.2022.139755 · Cited by 280
Graphitic carbon nitride-based materials for photocatalytic antibacterial application
Kong, X., Liu, X., Zheng, Y., Chu, P. K., Zhang, Y., & Wu, S. (2021) · Materials Science and Engineering: R: Reports · doi:10.1016/j.mser.2021.100610 · Cited by 259
Metadata
- Authors
- Wang, W., Li, G., An, T., Chan, D. K. L., Yu, J. C., & Wong, P. K.
- Venue
- Applied Catalysis B: Environmental
- Publisher
- Elsevier BV
- Published
- 2018-12
- Volume
- 238
- Pages
- 126-135
- ISSN
- 0926-3373 (ISSN-L)
- OpenAlex
- W2810273867
- Cited by
- 267
- References
- 41
- FWCI
- 7.24
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, W., Li, G., An, T., Chan, D. K. L., Yu, J. C., & Wong, P. K. (2018). Photocatalytic hydrogen evolution and bacterial inactivation utilizing sonochemical-synthesized g-C3N4/red phosphorus hybrid nanosheets as a wide-spectral-responsive photocatalyst: The role of type I band alignment. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2018.07.004
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