Chemical, electrochemical, quantum, and surface analysis evaluation on the inhibition performance of novel imidazo[4,5-b] pyridine derivatives against mild steel corrosion

被引:98
作者
Saady, A. [1 ]
Rais, Z. [1 ]
Benhiba, F. [2 ,5 ]
Salim, R. [1 ]
Alaoui, K. Ismaily [1 ]
Arrousse, N. [1 ]
Elhajjaji, F. [1 ]
Taleb, M. [1 ]
Jarmoni, K. [3 ]
Rodi, Y. Kandri [3 ]
Warad, I. [4 ]
Zarrouk, A. [5 ]
机构
[1] Univ Sidi Mohamed Ben Abdellah, Fac Sci, Lab Engn Elect Modeling & Environm LIEME, Fes, Morocco
[2] Ibn Tofail Univ, Lab Adv Mat & Proc Engn, Fac Sci, BP 242, Kenitra 14000, Morocco
[3] Sidi Mohamed Ben Abdellah Univ, Fac Sci & Technol, Lab Appl Organ Chem, Fes, Morocco
[4] Qatar Univ, Dept Chem & Earth Sci, POB 2713, Doha, Qatar
[5] Mohammed V Univ Rabat, Fac Sci, Lab Mat Nanotechnol & Environm, Av Ibn Battuta POB 1014, Rabat, Morocco
关键词
Mild steel corrosion; Electrochemical techniques; UV-visible; SEM; EDX; DFT; MD; imidazo[4; 5-b] pyridine derivatives; HCL WEIGHT-LOSS; CARBON-STEEL; MOLECULAR-DYNAMICS; BENZIMIDAZOLE DERIVATIVES; SCHIFF-BASE; ACID-MEDIUM; C38; STEEL; ADSORPTION; EXTRACT; IMPEDANCE;
D O I
10.1016/j.corsci.2021.109621
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this article, we evaluated the inhibitory performance of imidazo[4,5-b] pyridine derivatives namely, 6-bromo2-(4-chlorophenyl)-3-(prop-2-yn-1-yl)-3H-imidazo[4,5-b]pyridine(SB9a) and 6-bromo-2-(4-chlorophenyl)-3decyl-3H-imidazo[4,5-b]pyridine (SB14a) against mild steel (MS) corrosion in 1 M HCl using weight Loss from 303 to 333 K, Potentiodynamic Polarization (PDP), Electrochemical Impedance Spectroscopy (EIS), Scanning Electron Microscopy (SEM), energy dispersive X-ray (EDX) analysis, UV-vis spectroscopy and computational approach. The studied inhibitors showed a high inhibition performance since achieving a percentage of 90 % for SB14a and 88 % for SB9a 0.1 mM. PDP indicates that the both derivatives behaved as mixed-type inhibitors. Density functional theory (DFT) and molecular dynamic simulation (MD)) supports the experimental results.
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页数:20
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