Efficient tetracycline degradation and Cr( vi ) reduction in water by an Ag 3 PO 4 /MIL-125(Ti) heterojunction under simulated solar irradiation: photocatalytic performance, mechanism and toxicity evaluation

This work develops an Ag 3 PO 4 /MIL-125(Ti) heterojunction photocatalyst with a proposed S-scheme charge-transfer pathway for efficient TC oxidation and Cr( vi ) reduction, accompanied by reduced phytotoxicity after treatment.