Zaporotskova I.V., Kakorina O.A., Zaporotskov P.A., Kislova T.V. Investigation of the Process of Adsorption of C20 Fullerenes on the Surface of Carbon Nanotubes to Create Nanomechanical Complexes

INVESTIGATION OF THE PROCESS OF ADSORPTION OF C₂₀ FULLERENES ON THE SURFACE OF CARBON NANOTUBES TO CREATE NANOMECHANICAL COMPLEXES

Irina V. Zaporotskova

Doctor of Sciences (Physics and Mathematics), Professor,

Director, Institute of Priority Technologies,

Volgograd State University

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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation

Olesia A. Kakorina

Candidate of Sciences (Physics and Mathematics), Associate Professor,

Volgograd State University

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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation

Pavel A. Zaporotskov

Candidate of Sciences (Physics and Mathematics), Associate Professor,

Volgograd State University

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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation

Tatyana V. Kislova

Senior Lecturer, Department of Forensic Science and Physical Materials Science,

Volgograd State University

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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation

Abstract. In various fields of science and technology in recent years, the main objects are nanometer-scale objects. These are fullerenes, carbon nanotubes, nanocomposites, thinfilm multi-layer structures, etc. Nanostructured solids formed from these particles or clusters attract the attention of researchers because they can be used in a wide variety of fields: from science to industry. The predisposition of carbon to form surface structures is manifested in its new forms – fullerenes and nanotubes. These are structures that have unique physical and chemical properties. The simplest carbon nanotube consists of a single sheet of carbon atoms called graphene, which is rolled into a tubular shape. The diameter of nanotubes is in the range of several nanometers, and their lengths are usually several micrometers. By combining carbon nanotubes with fullerenes, various systems can be obtained that can be used as elements of mechanical nanodevices. However, it is necessary to find out the mechanisms of the processes that lead to the creation of such systems. Therefore, this paper presents the results of the theoretical study of the interaction of carbon nanotubes with C₂₀ fullerene. The main regularities of the structure, formation mechanisms, energy characteristics and electronic properties of the complexes of interacting carbon nanotubes and fullerene C₂₀ molecules have been determined. Theoretical studies were performed using the molecular cluster model and the calculated semi-empirical quantum chemical scheme MNDO.

Key words: carbon nanotubes, fullerenes, nanomechanical complexes, adsorption complexes, multiple adsorption.

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