Figure 2

SEM images of the Sb4O5Cl2 samples prepared at pH values of (a,b) 1, (c,d) 2, (e,f) 3, (g,h) 4 and (i,j) 5 through hydrothermal process (T = 160 °C, t = 12 h).

SEM images of the Sb4O5Cl2 samples prepared at pH values of (a,b) 1, (c,d) 2, (e,f) 3, (g,h) 4 and (i,j) 5 through hydrothermal process (T = 160 °C, t = 12 h).