Research Article
Mesoporous Structure Control of Silica in Room-Temperature Synthesis under Basic Conditions
Figure 9
Changes in mesostructure before and after calcinations for a reaction mixture composition of TEOS : NH3 : EtOH : CTABr : H2O = 1 : 20 : 40 : 0.2 : 400; (a) after calcination and (b) as-synthesized.