Figure 2
SAXS images of self-assembled films obtained from TEOS (a) and (b) or MTES–TEOS sols (c) and (d). The figure shows GISAXS images of films calcined at 873 K (b) and (d), or after drying at 333 K (a) and (c). The image (a) is shown in transmission to allow identification of the cubic phase. In the image (d) the diffraction spots corresponding to the 040, 202 and equivalent label have been added from a measure obtained increasing the exposition time. |