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Chemosensors 2019, 7(1), 11;

Sensors Based on Amino Group Surface-Modified CNTs

Institute of the Priority Technologies, Volgograd State University, 100 Universitetskii prospect, Volgograd 400062, Russia
Author to whom correspondence should be addressed.
Received: 21 January 2019 / Revised: 15 February 2019 / Accepted: 27 February 2019 / Published: 5 March 2019
(This article belongs to the Special Issue Carbon Nanotube Sensors)
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This article discusses the possibility of the fabrication of a highly sensitive sensor based on single-walled carbon nanotubes surface modified with functional amino groups (-NH2). The sensor potential for detection of alkali (sodium, lithium, and potassium) metals was investigated. The results of computer simulation of the interaction process between the sensor and an arbitrary surface of the modified tube containing atoms of the studied metals are presented. The calculations were carried out within the framework of the density functional theory (DFT) method using the molecular cluster model. It has been proved that surface-modified ammonium carbon nanotubes show high sensitivity for the metal atoms under study. View Full-Text
Keywords: carbon nanotubes; sensor properties; functional group; amino group carbon nanotubes; sensor properties; functional group; amino group

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Boroznina, N.; Zaporotskova, I.; Boroznin, S.; Dryuchkov, E. Sensors Based on Amino Group Surface-Modified CNTs. Chemosensors 2019, 7, 11.

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