Enhanced visible light photocatalytic performance of crystalline g-C3N4 nanosheets by one-step molten salt method

Supramolecular self‐assembly of polymeric carbon nitride with high photocatalytic activity

“…On the basis of the bandgap data, the conduction band (CB) of CCN‐30HO samples were calculated to be −0.82 eV. Combined with the results of the active species capture experiments, the possible reaction mechanism is shown in Figure11 (b): The E CB of CCN‐30HO was more negative than the standard redox potential of O 2 /⋅O 2 − [52] . So the dissolved oxygen in the reaction solution captured the electrons (e − ) and reduced to obtain ⋅O 2 − .…”

“…Combined with the results of the active species capture experiments, the possible reaction mechanism is shown in Figure11 (b): The E CB of CCN-30HO was more negative than the standard redox potential of O 2 / * O 2 À . [52] So the dissolved oxygen in the reaction solution captured the electrons (e À ) and reduced to obtain * O 2 À . * O 2 À could directly oxidize RhB molecules or further react with H 2 O or H + to obtain * OH.…”

A general acetic acid vapour etching strategy to synthesize layered carbon nitride with carbon vacancies for efficient photoredox catalysis

“…Recent studies have proven that the exfoliation of PCN into few-layered nanosheets is an effective strategy to advance its photocatalytic activity. [43][44][45][46] This is not surprising because the PCN was peeled into few-layered nanosheets, which can undoubtedly increase the number of active sites while facilitating the separation and migration of charge carriers. [47][48][49][50] To date, a variety of methods have been developed for preparing few-layered PCN nanosheets, such as sonication exfoliation, 51 ball milling, 52 and steam/ oxygen thermal oxidation.…”