Fabrication of Ag decorated g-C3N4/LaFeO3 Z-scheme heterojunction as highly efficient visible-light photocatalyst for degradation of methylene blue and tetracycline hydrochloride

•A simple electrostatic attraction method synthesis Z-Scheme ternary heterojunction.•Formed Schottky junction make electrons and holes can be maximal separation.•Optimized degradation performance on MB and TC under visible-light irradiation.•Discussed the path of charge transfer and the mechanism of pollutant degradation.