The DOI matches its Crossref record; 119 of the 119 references it cites were found in a registry or an index.
Recent developments in fabrication and structure regulation of visible-light-driven g-C3N4-based photocatalysts towards water purification: A critical review
Abstract
Abstract Graphitic carbon nitride (g-C3N4), a conjugated polymer semiconductor, has drawn increasing attention in environmental photocatalysis over the past decade, owing to its highly chemical stability, low cost and suitable electronic structure with a mild energy gap (∼ 2.7 eV). Whereas, its practical applications in wastewater purification are still faced with huge challenges, such as insufficient visible light absorption, low electronic conductivity, poor surface area and fast recombination of photoinduced charge carriers. The modification of g-C3N4 by coupling with other nanomaterials or forming unique nanostructures have been confirmed as valuable strategies. In this review, we give a comprehensive introduction about the recent developments in engineering g-C3N4 by constructing heterostructures or diverse morphologies to improve its photodegradation performance for the photocatalytic degradation of persistent organic pollutants. Such heterojunctions contain metal/g-C3N4, g-C3N4/C-based material and many other binary or ternary composites, and these special morphologies normally include nanorods, nanowires, nanotubes, nanosheets, porous architectures and other different tunable nanostructures. Several enhanced photocatalytic mechanisms for these nanohybrids under visible light irradiation have been explicated in detail, and future perspectives are also concluded in this review.
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Metadata
- Authors
- Zhang, S., Gu, P., Ma, R., Luo, C., Wen, T., Zhao, G., Cheng, W., & Wang, X.
- Venue
- Catalysis Today
- Publisher
- Elsevier BV
- Published
- 2019-09
- Volume
- 335
- Pages
- 65-77
- ISSN
- 0920-5861 (ISSN-L)
- OpenAlex
- W2892517330
- Cited by
- 469
- References
- 119
- FWCI
- 12.84
- Type
- journal article
- Language
- en
- Open access
- closed
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