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Abstract
The effect of binary surfactant systems on the morphology and structural properties of mesoporous silica has been investigated based on the analyses of X-ray diffraction, N2 sorption/desorption, and transmission electron microscopy. Results indicate that MCM-41 was successfully prepared by substituting silica fume for tetraethylorthosilicate in different surfactant systems, and confirming that PEG-6000 is an effective template in binary surfactant system for synthesis of mesoporous silica. The formation of the high-quality MCM-41 was based on the balance between the ordered assembly of anionic inorganic species and cationic surfactant or PEG-6000 through electrostatic interaction and the hydrogen bonds.
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