Lanthanum orthoferrites are a versatile class of catalysts. Here, the photocatalytic bactericidal performance LaFeO3 (LF) to inactivate pathogenic microorganisms, i.e., Escherichia coli (E. coli), in water under simulated solar irradiation conditions was investigated. Various competing and contributing factors were covered visualize reaction medium consisting E. K12 cells, organic sub-fractions...