Magnetic C–C@Fe3O4 double-shelled hollow microspheres via aerosol-based Fe3O4@C-SiO2 core–shell particles

Abstract

Magnetic C–C@Fe₃O₄ hollow microspheres were prepared by using aerosol-based Fe₃O₄@C-SiO₂ core–shell particles as templates. The magnetic double-shelled microspheres efficiently worked as carriers to load Pt nanoparticles, thus making the catalyst recyclable and reusable.