Sensitivity Investigation of SW-B<inf>80</inf>N<inf>80</inf> Nanotube to Polychlorinated Biphenyl-153 (PCB-153): DFT Methods

Mahdavian, Leila. and Mousavi, Seyed Esmaeil. (2016) Sensitivity Investigation of SW-B<inf>80</inf>N<inf>80</inf> Nanotube to Polychlorinated Biphenyl-153 (PCB-153): DFT Methods. Polycyclic Aromatic Compounds. pp. 1-7.

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Polychlorinated biphenyls (PCBs) is one of the most persistent organic pollutants that exist in the atmosphere and can be concentrated in lithosphere and hydrosphere. Because of low biodegradability and lipophilicity, PCBs accumulate in fatty tissues and through oxidative stress could lead to cancers and central nervous system disorders. Currently, degradation of these synthetic pollutants is one of the environmental issues. The aim of this study is to provide a sensor for detection of PCB-153 (PCB-153). Nano boron nitride compounds (BnNm) are magic materials with high stability that can be used as a sensor for detection of chlorinated aromatic compounds. In this study, sensitivity of B80N80 as a form of single-walled boron nitride nanotubes (SW-B80N80 nanotube (8,8)) to PCB-153 has been investigated. The PCB-153 is closed to the SW-B80N80 nanotube and electron exchanges between them have been evaluated using density functional calculations by B3LYP/6–31G* method. The calculation of the electronic properties has shown that SW-B80N80 nanotube is very sensitive to the presence of PCB-153 molecules. The HOMO/LUMO and gap energy (Eg) changes were considerable. Gap energy decreased from 4.214 eV to 2.022 eV during the formation of complex PCB-153-SW-B80N80 nanotube that leads to conversion of PCB-153 into the other products. According to thermodynamic parameter calculation through the IR-DFT method, it is expected that SW-B80N80 nanotube will be a suitable candidate in the elimination of PCB-153, as well as a gas sensor.

Item Type: Article
Additional Information: cited By 0; Article in Press
Uncontrolled Keywords: B3LYP/6–31G* methodوgas nano-sensorو polychlorinated biphenyl-153 (PCB-153)و single-walled boron nitride nanotube (SW-B80N80 nanotube)
Subjects: QT physiology
Divisions: Faculty of Health > Department of Environmental Health
Depositing User: Users 1 not found.
Date Deposited: 02 Jul 2017 07:40
Last Modified: 11 Jun 2018 06:53

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