fig1
Figure 1. (A) Triazine and (B) tri-s-triazine structures of g-C3N4. (C) Band structures of monolayer g-C3N4. (Reproduced with permission[33]. Copyright 2016, Royal Society of Chemistry). (D) Density of states (DOS), (E) highest occupied molecular orbital (HOMO), and (F) lowest unoccupied molecular orbital (LUMO) of monolayer g-C3N4. (Reproduced with permission[34]. Copyright 2019, Wiley-VCH).
