The experimental results haveshown that ZnO is dispersed on the surface of TiO_2 as a monolayer, the combinationbetween ZnO and TiO_2 is quite weak and can not lead to the production of newsurface acid sites.

• 实验表明,ZnO单层分散在TiO_2表面上,ZoO与TiO_2之间的结合较弱,这种表面结合并不导致新的表面酸位。