680821.fig.001a
(a)
680821.fig.001b
(b)
680821.fig.001c
(c)
680821.fig.001d
(d)
Figure 1: Zeta potential values as a function of pH for the (a) unmodified TiO2-SiO2 oxide composite and the analysed silsesquioxane (Ph-POSS). Then, (b) for the inorganic composite modified with Ph-POSS, (c) PTMS, and (d) additionally functionalised with Ph-POSS.