Modulating the properties of monolayer C2N: A promising metal-free photocatalyst for water splitting
Yu Song, Rao Yong-Chao, Duan Xiang-Mei
       

(color online) (a)–(d) Band structures of B-, O-, P-, and S-doped C2N calculated by PBE (black solid lines) and HSE06 (red dashed lines).