Fig. 5From: Construction of ZnTiO3/Bi4NbO8Cl heterojunction with enhanced photocatalytic performancea DRS spectra of ZnTiO3, Bi4NbO8Cl, and 20% BNZ sample. b Tacus’s curves of ZnTiO3, Bi4NbO8Cl, and 20% BNZ sample. c Mott–Schottky curves of ZnTiO3 and Bi4NbO8ClBack to article page