Sensors Based on Amino Group Surface-Modified CNTs
Institute of the Priority Technologies, Volgograd State University, 100 Universitetskii prospect, Volgograd 400062, Russia
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Chemosensors 2019, 7(1), 11; https://doi.org/10.3390/chemosensors7010011
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)
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.
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Keywords:
carbon nanotubes; sensor properties; functional group; amino group
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MDPI and ACS Style
Boroznina, N.; Zaporotskova, I.; Boroznin, S.; Dryuchkov, E. Sensors Based on Amino Group Surface-Modified CNTs. Chemosensors 2019, 7, 11.
AMA Style
Boroznina N, Zaporotskova I, Boroznin S, Dryuchkov E. Sensors Based on Amino Group Surface-Modified CNTs. Chemosensors. 2019; 7(1):11.
Chicago/Turabian StyleBoroznina, Natalia; Zaporotskova, Irina; Boroznin, Sergey; Dryuchkov, Evgeniy. 2019. "Sensors Based on Amino Group Surface-Modified CNTs" Chemosensors 7, no. 1: 11.
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