Synthesis and catalytic activity of Au-supported porous TiO2 nanospheres for CO oxidation

► Mesoporous TiO2 nanospheres with a large surface area of 163.3 m2/g were synthesized. ► Au-supported TiO2 nanospheres were prepared using a facile one-pot method. ► The Au-supported TiO2 nanospheres catalyst shows high activity for CO conversion.