Investigation of local structure effect and X-ray absorption characteristics (EXAFS) of Fe (Ti) K-edge on photocatalyst properties of SrTi(1−x)FexO(3−δ)

► STFx catalyst prepared by a high temperature solid state reaction process. ► The electronic properties and local structure have been probed by EXAFS spectroscopy. ► The substitution of iron increases iron valence state and the Jahn-Teller ion formed. ► The Fe4+ ion causes disorder in the first shell and increases the oxygen vacancy defect. ► Iron doping led to decreasing of [Ti(Fe)-O]ave and increasing the photocatalyst property.