Insights into corrosion inhibition mechanism of mild steel in 1 M HCl solution by quinoxaline derivatives: electrochemical, SEM/EDAX, UV-visible, FT-IR and theoretical approaches

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dc.authorid, galai/0000-0003-3199-9403
dc.authoridEbn Touhami, Mohamed/0009-0003-6383-8230
dc.authoridcherkaoui, mohammed/0000-0003-4619-2696
dc.authoridVerma, chandrabhan/0000-0001-9249-7242
dc.authoridOuakki, Moussa/0000-0002-6265-4734
dc.authoridsaid, Boukhris/0000-0001-9541-4318
dc.authoridEBENSO, ENO/0000-0002-0411-9258
dc.contributor.authorOuakki, M.
dc.contributor.authorGalai, M.
dc.contributor.authorBenzekri, Z.
dc.contributor.authorVerma, Chandrabhan
dc.contributor.authorEch-chihbi, E.
dc.contributor.authorKaya, S.
dc.contributor.authorBoukhris, S.
dc.date.accessioned2024-10-26T18:11:25Z
dc.date.available2024-10-26T18:11:25Z
dc.date.issued2021
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractThree quinoxaline-based heterocycles namely, 6-methyl-2,3-diphenyl-quinoxaline (Q-CH3), 6-nitro-2,3-diphenylquinoxaline (Q-NO2) and 2,3-diphenylquinoxaline (Q-H) were evaluated as inhibitor for mild steel (MS) in 1 M HCl. Inhibition effectiveness of the Q-H, Q-CH3 and Q-NO2 tested using different computational simulations and experimental methods. Results showed that inhibition effectiveness of Q-H, Q-CH3 and Q-NO2 increases with their concentration. Polarization results showed that Q-H, Q-CH3 and Q-NO2 displayed anodic-type behaviour. Inhibition efficiencies of Q-H, Q-CH3 and Q-NO2 followed the order: 87.6% (Q-NO2) < 90.2% (Q-CH3)< 92.4% (Q-H) for Q-CH3. Presence of both electron withdrawing (-NO2) and donating (-CH3) substituents decrease the inhibition efficiency as compared to the parent compound however in decrease in protection power is more prominent in the presence of -NO2 substituent. Q-H, Q-CH3 and Q-NO2 inhibit corrosion by adsorbing on MS surface and their adsorption mode followed Langmuir adsorption isotherm. Adsorption of Q-H, Q-CH3 and Q-NO2 on metallic surface reinforced with SEM-EDS and UV-visible studies of MS surfaces. Interaction mechanism of QH, Q-CH3 and Q-NO(2 )with MS surface and their mode of adsorption was studies using DFT and MD (MD) simulations, respectively. Negative sign of adsorption energies (E-ads) for Q-H, Q-CH3 and Q-NO2 suggested that they adsorb spontaneously over MS surface.
dc.identifier.doi10.1016/j.colsurfa.2020.125810
dc.identifier.issn0927-7757
dc.identifier.issn1873-4359
dc.identifier.scopus2-s2.0-85095850386
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.colsurfa.2020.125810
dc.identifier.urihttps://hdl.handle.net/20.500.12418/30669
dc.identifier.volume611
dc.identifier.wosWOS:000605568600006
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofColloids and Surfaces A-Physicochemical and Engineering Aspects
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectQuinoxaline derivatives
dc.subjectCorrosion inhibition
dc.subjectcomputational simulations
dc.subjectAnodic-type inhibitors
dc.subjectLangmuir adsorption isotherm
dc.titleInsights into corrosion inhibition mechanism of mild steel in 1 M HCl solution by quinoxaline derivatives: electrochemical, SEM/EDAX, UV-visible, FT-IR and theoretical approaches
dc.typeArticle

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