Novel photocatalytic antibacterial activity of TiO2 microspheres exposing 100% reactive {111} facets

TiO2 microspheres constructed by well-crystallized faceted nanorods with high aspect ratios expose 100% photocatalytic reactive {111} facets on the spherical surface. The microspheres demonstrated excellent photocatalytic antibacterial activity towards Staphylococcus aureus due to effective suppression of photoinduced electron–hole pair recombination and active TiO2@˙OH core–shell structure.