“…As emerging non-metallic photocatalysts, 2D g-C 3 N 4 nanomaterials have diverse applications in photocatalytic water splitting, carbon dioxide reduction, photocatalytic nitrogen fixation, environmental pollutant degradation, and so on [18,19]. Given that 2D g-C 3 N 4 still has certain drawbacks such as performance degradation due to easy agglomeration, poor Sunlight absorption capacity, fairly high exciton binding energy, and fast electron-hole recombination [20], several strategies like composite fabrication, doping, sensitisation, copolymerisation, and nanostructure modification have been adopted to increase its suitability for specific photocatalytic applications [21][22][23]. Therefore, the fabrication of efficient 2D g-C 3 N 4 -based materials for photocatalytic degradation is a highly important yet challenging task.…”