Fig. 4From: Construction of ZnTiO3/Bi4NbO8Cl heterojunction with enhanced photocatalytic performancea Transient-photocurrent responses of ZnTiO3, Bi4NbO8Cl, and BNZ samples. b Electrochemical impedance spectroscopy of ZnTiO3, Bi4NbO8Cl, and 20% BNZ. c Photoluminescence spectra of ZnTiO3, Bi4NbO8Cl, and BNZ samples. d Time-resolved PL spectra of Bi4NbO8Cl and 20% BNZBack to article page