In situ assembly of well-dispersed Au nanoparticles on TiO2/ZnO nanofibers: A three-way synergistic heterostructure with enhanced photocatalytic activity

► Synthesis of tri-component TiO2/ZnO/Au nanofibers. ► TiO2/ZnO/Au nanofibers showed excellent photocatalytic activity. ► Easy photocatalyst separation and reuse.