STUDY OF SORPTION AND SENSOR INTERACTION OF NITROGEN-CONTAINING CARBON NANOTUBES WITH GAS-PHASE ATOMS AND MOLECULES
Evgeniy S. Dryuchkov
Senior Lecturer,
Department of Forensic Expertise and Physical Materials Science,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation
Vadim S. Kuleznev
Student, Department of Information Security,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation
Daria A. Zvonareva
Senior Lecturer,
Department of Forensic Expertise and Physical Materials Science,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation
Abstract. This paper presents the results of calculations of interaction of nitrogen- containing carbon nanotubes with atoms and molecules of gas phase such as: chlorine, fluorine, carbon monoxide and carbon dioxide gases. At present, the possibilities of modification of carbon nanotubes, which can change their characteristics, are being intensively investigated.
Various methods of modifying the surface and structures of nanotubes can affect their sorption activity, making them more sensitive to various substances. This opens new perspectives for the use of nanotubes in the field of sensor devices. The development of scientific principles for controlling the sorption activity of nanotube materials is important for their effective application in the development of high-precision sensors capable of accurately determining the presence and concentration of various substances. The solution of this problem becomes the key task in this graduate work. To date, not many studies related to the study of sorption and sensory properties of carbon nanotubes with substituted nitrogen atoms have been carried out. The emergence and systematization of new knowledge will make it possible to formulate a new theoretical basis, which in the future can be used for practical purposes, which is why research in this area is relevant.
Key words: nanotubes, nitrogen, carbon, doping, modification, gas-phase atoms, gas-phase molecules.
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