Dispersion of pristine single-walled carbon nanotubes in water by a thiolated organosilane: Application in supramolecular nanoassemblies

Article Abstract:

A novel technique is presented to disperse pristine single-walled carbon nanotubes (SWNTs) in water by ultrasonication in the presence of a thiolated organosilane and subsequent ultracentrifugation. The results have shown that these dispersed SWNTs would be an excellent scaffold for the realization of supramolecular nanoassemblies useful for a variety of applications ranging from nanoelectronics to drug delivery systems.

Mercaptans, Water, Thiols, Nanotubes

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Calorimetric study of the effect of water quantity on tetramethoxysilane hydrolysis under ultrasound stimulation

Article Abstract:

The ultrasound stimulated and oxalic acid-catalyzed hydrolysis of tetramethoxysilane (TMOS) is studied by means of a heat flux calorimetric method as a function of the initial water/TMOS molar ratio (r) ranging from 2 to 10. The total hydrolyzed quantity was found to be slightly increasing with TMOS molar ratio.

Usage, Calorimetry

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Fluorescent probe as reporter on the local structure and dynamics in hydrolysis-condensation process of organotrialkoxysilanes

Article Abstract:

The hydrolysis-condensation processes and the influence of the self-assembling behavior of some of the products derived from different organotrialkoxysilanes examined by means of pyrene as fluorescent probe is presented.

Fluorescence spectroscopy, Condensation

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