Formation of Mesoporous Materials from Silica Dissolved in Various NaOH Concentrations: Effect of pH and Ionic Strength

Figure 7

Pore size distributions for the mesophase products synthesized under various NaOH/SiO₂ ratios prior to the pH adjustments: NaOH/SiO₂ = 0.5 (a), NaOH/SiO₂ = 1.0 (b), and NaOH/SiO₂ = 2.0 (c).

(a)

(b)

(c)