Hydrothermal preparation and electrochemical sensing properties of TiO2-graphene nanocomposite

▶ A facile hydrothermal method was developed for the preparation of TiO2-graphene. ▶ TiO2-graphene shows remarkable electrocatalytic activity toward DA oxidation. ▶ TiO2-graphene-GCE exhibits high electrochemical sensing performance for DA.