Low-Temperature Reverse Microemulsion Synthesis, Characterization, and Photocatalytic Performance of Nanocrystalline Titanium Dioxide

Table 2

Crystallite structure and size of TiO₂ at different aging time.

Ageing time (h)	Structure	Crystallite size (nm)
0	Unformed	—
6	Unformed	0.99
12	Anatase	1.33
24	Anatase	3.66
48	Anatase	4.22
72	Anatase	4.42
102	Anatase	4.55
114	Anatase	4.63
120	Anatase	4.73
135	Anatase	4.83