Photocatalytic Degradation of Organic Dye by Sol-Gel-Derived Gallium-Doped Anatase Titanium Oxide Nanoparticles for Environmental Remediation

Figure 3

HRTEM micrographs of (a)/(b) undoped TiO₂ and (c)/(d) TiO₂ : Ga at two different magnifications. Insets of (a)/(c) are the corresponding size distributions of nanoparticles. Insets of (b)/(d) are the SAED patterns of undoped and Ga-doped TiO₂ nanoparticles, respectively.

(a)

(b)

(c)

(d)