Effect of Temperature Sintering on Grain Growth and Optical Properties of TiO₂ Nanoparticles

Figure 2

FE-SEM image of TiO₂ nanoparticles calcined at (a) 500°C, (b) 600°C, (c) 700°C, (d) 800°C, and (e) 900°C for 1 hr. Size distribution of TiO₂ nanoparticles sintered at (f) 800°C and (g) 900°C.