The Effect of Cu Doping on the Transformation from Rutile to Anatase and Cu Occupation Tendency in TiO₂ Solid Solution

Figure 2

Cu-doped TiO₂ structure model. (a) Cu replaces Ti atoms in the anatase; (b) Cu occupies in the anatase; (c) Cu replaces Ti atoms in the anatase; (d) Cu occupies in the anatase.

(a)

(b)

(c)

(d)