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English2-((3-Methylpyridine-2-imino)methyl)phenol (MPIMP) was investigated as a potential corrosion inhibitor for mild steel in 0.5 M HCI solution using impedance spectroscopy (IS). Changes in impedance parameters indicated that adsorption of MPIMP occurred on the mild steel surface. Three stable adsorption configurations for MPIMP on the Fe(11 0) surface were identified as a result of geometry optimization starting from several adsorption geometries using density functional theory (DFT). Involvement of the delocalized pi-electrons of the aromatic rings in the interaction provides extra stabilization to the flat adsorption configurations.
| Titolo: | Insights into surface-adsorbate interactions in corrosion inhibition processes at the molecular level |
| Autori: | |
| Data di pubblicazione: | 2014 |
| Rivista: | |
| Abstract: | 2-((3-Methylpyridine-2-imino)methyl)phenol (MPIMP) was investigated as a potential corrosion inhibitor for mild steel in 0.5 M HCI solution using impedance spectroscopy (IS). Changes in impedance parameters indicated that adsorption of MPIMP occurred on the mild steel surface. Three stable adsorption configurations for MPIMP on the Fe(11 0) surface were identified as a result of geometry optimization starting from several adsorption geometries using density functional theory (DFT). Involvement of the delocalized pi-electrons of the aromatic rings in the interaction provides extra stabilization to the flat adsorption configurations. |
| Handle: | http://hdl.handle.net/11368/2870457 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.corsci.2013.11.062 |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |