Theoretical study of chemisorption of cyanuric fluoride and S-triazine on the surface of Al-doped graphene
2016
AbstractWe studied the adsorption of cyanuric fluoride (CF) and s-triazine (ST) molecules on the surface of pristine as well as Al-doped graphenes using density functional theory calculations. Our results reveal low adsorption on the surface of pristine graphene; but by modification of surface using aluminium, resulted Al-doped graphene becomes more reactive towards both CF and ST molecules. We aimed to focus on the adsorption energy, electronic structure, charge analysis, density of state and global indices of each system upon adsorption of CF and ST molecules on the above-mentioned surfaces. Our calculated adsorption energies for the most stable position configurations of CF and ST on Al-doped graphene were −76.53 kJ mol−1 (−57.45 kJ mol−1 BSSE corrected energy) and −115.55 kJ mol−1 (−86.87 kJ mol−1 BSSE corrected energy), respectively, which point to the chemisorption process. For each CF and ST molecule, upon adsorption on the surface of Al-doped graphene, the band gap of HOMO-LUMO was reduced conside...
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