الفهرس | Only 14 pages are availabe for public view |
Abstract The present work is aimed to evaluate the corrosion inhibition of Aryl-2,2’-bichalcophene compounds and their aza-analogues using chemical and electrochemical methods. The adsorption and thermodynamic activation parameters were calculated and discussed. Potentiodynamic polarization (PP) studies showed that the investigated compounds act as mixed-type inhibitors and chemically adsorbed on C-steel surface following Langmuir adsorption isotherm. The surface of C-steel was examined using Atomic Force Microscopy (AFM) and ATR-IR. The effect of molecular structure on the inhibition efficiency has been explored by quantum chemical computations. The relationship between the corrosion inhibition efficiency and some quantum parameters has been discussed and strong correlations were observed. The binding energies of the investigated bichalcophenes on Fe (110) surface were calculated using molecular dynamics simulation. There is a good agreement between the experimental data and theoretical results. |