897595.fig.001a
897595.fig.001b
897595.fig.001c
897595.fig.001d
Figure 1: Optical images of realized on glass/FTO substrate with 4 sprays at different TTIP concentration in 2-isopropanol: (a) 1%, (b) 2%, and (c) 5%. In case of (d), that corresponds to a 5% concentration with 8 sprays, white powder formation is observed.