Cobalt(II) phthalocyanine-sensitized hollow Fe3O4@SiO2@TiO2 hierarchical nanostructures: Fabrication and enhanced photocatalytic properties

- Hollow Fe3O4@SiO2@TiO2@CoPcS heterojunction is a novel active photocatalyst.
- It is fabricated by combination of solvothermal processing and dipping processing.
- The heterojunction possesses excellent magnetic and photocatalytic properties.
- A proposed mechanism is used to illustrate the photocatalytic oxidation process.