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- W3191171051 endingPage "31030" @default.
- W3191171051 startingPage "31005" @default.
- W3191171051 abstract "Graphitic carbon nitride (g-C3N4) can be used to degrade organic pollutants in wastewater owing to its excellent chemical stability, tunable band structure, and visible light (VL) responsiveness. Nevertheless, the application of pristine g-C3N4 is significantly hindered by its low specific surface area, unsatisfactory VL utilization (<460 nm), high exciton binding energy (Eb ≈ 0.2 eV), and low photoinduced carrier separation. Development of strategies to overcome these limitations and improve the degradation efficiency has attracted considerable attention. Considering the principles of photoexcitation, this paper describes two unique photoexcitation processes, the carrier and exciton processes, of which the strong exciton effect of g-C3N4 has not been extensively discussed in prior reviews. In addition, we comparatively present the latest progress and related mechanisms of the modification strategies such as morphology controlling, elemental doping, defect engineering, and heterojunction building employed in polluted water treatment are compared from the carrier and exciton perspectives. Finally, the unique characteristics, challenges, and future directions are discussed. This review presents research progress on the photoexcitation processes involved in g–C3N4–based materials, and proposes that the modification based on the exciton effect and direct verification of the transfer mechanism in the heterojunction can be potential areas of future investigations." @default.
- W3191171051 created "2021-08-16" @default.
- W3191171051 creator A5008422689 @default.
- W3191171051 creator A5026727390 @default.
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- W3191171051 creator A5080577523 @default.
- W3191171051 creator A5085868420 @default.
- W3191171051 creator A5090815103 @default.
- W3191171051 date "2021-11-01" @default.
- W3191171051 modified "2023-10-16" @default.
- W3191171051 title "Research progress on g–C3N4–based photocatalysts for organic pollutants degradation in wastewater: From exciton and carrier perspectives" @default.
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