Creating a Better Dispersion of Single Walled Carbon Nanotubes (SWNT) in Sodium Dodecyl Sulfate (SDS)

Abstract

Carbon nanotubes, because of their remarkable mechanical, electrical, and optical properties, are among the most promising materials within nanotechnology. For most applications the carbon nanotubes must be dispersed uniformly in some sort of medium, often by using probe ultrasonication. Many different combinations of ultrasonication parameters, such as total time, amplitude, on/off cycling, and temperature, have been used with little understanding of how these parameters affect dispersion quality. This work aims to develop such an understanding of the dispersions in sodium dodecyl sulfate by monitoring the quality of dispersion with near-infrared fluorescence.

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Creating a Better Dispersion of Single Walled Carbon Nanotubes (SWNT) in Sodium Dodecyl Sulfate (SDS)

Carbon nanotubes, because of their remarkable mechanical, electrical, and optical properties, are among the most promising materials within nanotechnology. For most applications the carbon nanotubes must be dispersed uniformly in some sort of medium, often by using probe ultrasonication. Many different combinations of ultrasonication parameters, such as total time, amplitude, on/off cycling, and temperature, have been used with little understanding of how these parameters affect dispersion quality. This work aims to develop such an understanding of the dispersions in sodium dodecyl sulfate by monitoring the quality of dispersion with near-infrared fluorescence.