Abstract
Mesoporous alumina with various morphologies has been successfully synthesized by a proper sol–gel process using sodium lauroyl glutamate surfactant as a template. Both the mesostructures and morphologies of the resulting alumina can be effectively controlled by adjusting the concentration of the sodium lauroyl glutamate surfactant present in the reaction system. Through characterization by X-ray diffraction, transmission electron microscopy, and N 2 physisorption, the effects of sodium lauroyl glutamate on the mesostructure and morphology of the resulting materials have been investigated in detail, and a possible formation mechanism of the controlled morphologies is proposed. The resulting mesoporous materials showed a potential application in adsorption of toxic organic compounds, which was attributed to the porous structure, high BET surface area, and large pore volume.
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