An Experimental Study on the Shape Changes of TiO₂ Nanocrystals Synthesized by Microemulsion-Solvothermal Method

Figure 4

TEM images and HRTEM images of TiO₂ nanocrystals synthesized at 240°C for different time: (a) 0.5 hours; (b) 2 hours; (c) 4 hours; (d) 17 hours.

(a)

(b)

(c)

(d)