Mesoporous Structure Control of Silica in Room-Temperature Synthesis under Basic Conditions

Figure 6

TEM images of samples obtained compositions with different molar compositions of EtOH in an initial reaction mixture solution: compositions (TEOS : NH₃ : EtOH : CTABr : H₂O = 1 : 20 :  : 0.2 : 300) are (a) and (b) .

(a)

(b)