Recent advances on g-C₃N₄-based Z-scheme photocatalysts for organic pollutant removal

Graphitic carbon nitride (g-C3N4)-based Z-scheme photocatalysts have attracted growing interest in organic pollution removal because of their strong light absorption capacity, abundant active sites, and outstanding photocatalytic performance. This review provides a survey of the latest advances of g-C3N4-based Z-scheme photocatalysts for organic pollution removal, beginning with the fundamentals of g-C3N4-based Z-scheme photocatalysts. Subsequently, the characterization strategies and preparation approaches for g-C3N4-based Z-scheme photocatalysts are discussed. Various typical g-C3N4-based Z-scheme photocatalysts for organic pollutant degradation are described. Finally, this work provides some new insights into the major challenges, favorable circumstances, heuristic perspectives, and future development direction.