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Since their discovery in 1991, carbon nanotubes (CNTs) have been regarded as a promising new material because of their unique electrical, mechanical and chemical properties. However, the poor solubility of CNTs in water or organic solvents limits their use in many potential applications. The goal of this research is to get a well-dispearsed uniformly carbon nanotubes suspension using high voltage electrical discharge techniques in order to use it in various potential applications. Firstly, this study provides a clarification about proposed methods for enhancement of microplasma generated in…mehr

Produktbeschreibung
Since their discovery in 1991, carbon nanotubes (CNTs) have been regarded as a promising new material because of their unique electrical, mechanical and chemical properties. However, the poor solubility of CNTs in water or organic solvents limits their use in many potential applications. The goal of this research is to get a well-dispearsed uniformly carbon nanotubes suspension using high voltage electrical discharge techniques in order to use it in various potential applications. Firstly, this study provides a clarification about proposed methods for enhancement of microplasma generated in water. It is revealed that adding carbon nanotubes into water and/or controlling water conductivity have a direct effect and could improve microplasma intensity underwater. Secondly, the effect of solution pH on water-solubility of carbon nanotubes treated by microplasma was investigated and confirmed experimentally using different advanced measurements to determine the optimum condition which lead to well dispersing of carbon nanotubes in water. Finally, this work demonstrates another effective technique used to improve CNTs solubilization efficiency, using dielectric barrier discharge in air.
Autorenporträt
Usama Khaled received his B.Sc. and M.Sc. degree in Electrical Engineering from Aswan University, and his Ph.D. from Cairo University. He had a position of an Assistant Professor in the Faculty of Energy Engineering at Aswan University in Egypt. His research areas are in the fields of High voltage applications, Ozone generation and Nanotechnology.