Substrate with photocatalytic coating

at least part of the surface of the present invention, at least one oxide and / or at least one silicone Si component of an M metal having photocatalytic properties, and optionally without photocatalytic properties, and a base having a coating (3) equipped with crystallized particles (4) of an oxide of a metal A with a binder mineral material (5) containing at least one oxide of an M metal with photocatalytic properties while in crystalline form. it is a process for obtaining the material (1). this invention also relates to the base material coated in this way and its various applications.