Adsorption of Pyridine by Using BeO Nanotube: A DFT Study

Adsorption of Pyridine by Using BeO Nanotube: A DFT Study

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Abstract: Electrical sensitivity of a beryllium oxide nanotube (BeONT) was examined toward (C5H5N) molecule by using density functional theory (DFT) calculations at Hunting Gloves the B3LYP/6-31(d) level, and it was found that the adsorption energy (Ead) of pyridine on the pristine nanotubes is a bout -73.29kcal/mol.But when nanotubes has been doped with rescue tool S and P atomes , the adsorption energy changed.Calculation showed that when the nanotube is doping by P, the adsorption energy is about -39.59kcal/mol and also the amount of HOMO/LUMO energy gap (Eg) will reduce significantly (Eg=2.

55Ev).The BeONT doped with P is suitable semiconductor than the pristine BeONT.