Molecular insights through the experimental and theoretical study of the anticorrosion power of a new eco-friendly Cytisus multiflorus flowers extract in a 1 M sulfuric acid
- Authors
- Kahlouche, Abdesalem; Ferkous, Hana; Delimi, Amel; Djellali, Souad; Yadav, Krishna Kumar; Fallatah, Ahmed M.; Jeon, Byong-Hun; Ferial, Krid; Boulechfar, Chérifa; Ben, Amor Yasser; Benguerba, Yacine
- Issue Date
- Feb-2022
- Publisher
- ELSEVIER
- Keywords
- ATR; Carbon steel; Corrosion; Cytisus Multiflorus; DFT; EIS; Inhibitor; PDP; SEM; WL; XPS; XRD
- Citation
- JOURNAL OF MOLECULAR LIQUIDS, v.347, pp.1 - 15
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MOLECULAR LIQUIDS
- Volume
- 347
- Start Page
- 1
- End Page
- 15
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/139630
- DOI
- 10.1016/j.molliq.2021.118397
- ISSN
- 0167-7322
- Abstract
- The use of Cytisus Multiflorus Flowers Extract (CMFE) as a carbon steel corrosion inhibitor in 1 M H2SO4 solution was investigated by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) methods. Potentiodynamic polarization curves indicated that CMFE behaves as a mixed-type inhibitor. Quantum chemical parameters were also calculated, which provided a reasonable theoretical explanation for the adsorption and inhibition behavior of CMFE on the carbon steel. The presence of CMFE leads to the formation of a protective film revealed by the Scanning Electron Microscope (SEM) and attenuated total reflectance (FTIR-ATR). The process of corrosion inhibition of carbon steel by CMFE in a 1 M H2SO4 was studied by X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) analysis. The Density Functional Theory (DFT) and molecular dynamics (MD) studies are conducted to explore the connection between quantum calculations and experimental findings.
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