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Carbon nanotubes are a promising material for nanoelectronics and conducting composites. The conductivity and the width of the forbidden region of CNTs is determined mainly by their chirality. The possibility of modification of these parameters through applying functional groups has been explored. Dependences of conductivity on the degree of functionalization and the type of functional groups are shown. An explanation to these dependences is given. A comparative analysis of the dependences for different types of CNTs has been conducted. [ABSTRACT FROM AUTHOR]

A method of obtaining coatings with a high degree of hydrophobicity out of carbon nanoobjects is suggested. The method of application of the coating is technological, available for application to nearly all types of surfaces and does not require special conditions. Main factors that influence the properties of the given coating are pointed out. Main factors that influence the properties of the given coating are pointed out. Electrophysical properties of the coating are measured, an approach to creating a coating with electrical heating is suggested. [ABSTRACT FROM AUTHOR]