Hydrothermal Synthesis of Hydrangea-Like F-Doped Titania Microspheres for the Photocatalytic Degradation of Carbamazepine under UV and Visible Light Irradiation

Figure 4

SEM images of the as-prepared samples prepared hydrothermally (a) replaced NH₄F by NaF, (b) replaced NH₄F by NH₄Cl, (c) 10 mL of H₂O₂, and (d) 30 mL of H₂O₂ under the same conditions as those of the hydrangea-like F-doped TiO₂ microspheres.

(a)

(b)

(c)

(d)