Add time:07/11/2019         Source:sciencedirect.com

The electronic structure and adsorption properties of the 2,6-dichlorobenzylidene-2,4-dichloroaniline (2,6-DBDA) and 2,4-dichlorobenzylidene-2,4-dichloroaniline (2,4-DBDA) over the surface of single-walled carbon nanotube (SWCNT) were theoretically investigated in the gas phase using the B3LYP/6-311G** method at the level of density functional theory (DFT) calculations. It was found that the adsorption behavior of the 2,6-DBDA and 2,4-DBDA molecules over the perfect (6, 0) carbon nanotube is electrostatic in nature. In comparison of two molecules, the 2,6-DBDA has stronger adsorption on the carbon nanotube than that of the 2,4-DBDA. Our calculations reveal a low sensitivity and weak adsorption between the two molecules and the carbon nanotube.

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