Sol-Gel-Hydrothermal Synthesis of the Heterostructured TiO_𝟐/N-Bi_𝟐WO_𝟔 Composite with High-Visible-Light- and Ultraviolet-Light-Induced Photocatalytic Performances

Figure 3

TEM photographs for the as-prepared N-BWO (a, b) and TiO₂/N-BWO (c, d).

(a)

(b)

(c)

(d)