Cu-doped ZnO nanorods were used as a photocatalyst for the removal of diazinon.
Hybridization of Cu-doped ZnO nanorods was identified by EDX and FT-IR analysis.
UV/Cu-doped ZnO process was more efficient than UV/ZnO process.
Photocatalytic degradation process was described by Langmuir–Hinshelwood model.