Figure 2

FESEM images of the as-synthesized TiO2 nanowires grown in atmospheric glass vessel by using 0.3 mL of TiCl3 solution and 15 g of different saturated fatty acids at 150°C for 12 h.
(a) and (b) lauric acid, (c) and (d) myristic acid, (e) and (f) palmitic acid, (g) and (h) stearic acid.