Objectives of the study: Focusing on studying how to incorporate of Fe and Cu atoms into GO and SBA-15 frameworks by atomic implantation method to create new, advanced and highly efficient nanocomposite catalysts for DDT treatment. | Summary of doctor thesis: Research on effective treatment of DDT by photocatalyst method using Fe - CuOx /GO; SBA – 15 nanocomposite materials, Theoretical chemistry and physical chemistry