Figure 2

Raman spectrum of the anatase TiO2/SiO2 nanocomposite coating elaborated from a 2 µL·min−1 HMDSO delivery rate on a PEN substrate. The Raman spectrum of an uncoated PEN foil is also plotted as a reference.
Raman spectrum of the anatase TiO2/SiO2 nanocomposite coating elaborated from a 2 µL·min−1 HMDSO delivery rate on a PEN substrate. The Raman spectrum of an uncoated PEN foil is also plotted as a reference.