As ZnO nanorods have fast electron transport and TiO nano - particles have high surface area .
ZnO - TiO core - shell nano - structures were synthesized with fast electron transport and high surface area combining the properties of ZnO nanorods and TiO nano particles .
As ZnO nanorods have fast electron transport and TiO nano particles     have high surface area .
ZnO - TiO core - shell nano - structures were synthesized with fast electron transport and high surface area combining the properties of ZnO nanorods and TiO nano particles .