Author： Noori Elham Bazarganipour Mehdi Salavati-Niasari Masoud Gholami Tahereh
Publisher： Springer Publishing Company
ISSN： 1040-7278
Source： Journal of Cluster Science, Vol.24, Iss.4, 2013-12, pp. : 1171-1180
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Abstract
Silica nanostructures were synthesized on the basis of modified Stöber procedure via a sonochemical method and the reaction between tetraethyl orthosilicate (TEOS), ethylenediamine (en) and methanol in water, in the attendance of Schiff-base ligand (H2Salen) as capping agent. The effects of synthesis parameters such as: sonochemical irradiation time, sonochemical power and molar aspect ratio of Schiff-base ligand to TEOS were considered to achieve optimum situation. It was established that particle size, morphology and phase of the products could be affected by these parameters. The as synthesized silica nanostructures were characterized by X-ray powder diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, ultraviolet–visible spectroscopy, and X-ray energy dispersive spectroscopy.
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