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Electrochemical and DFT studies of quinoline derivatives on corrosion inhibition of AA5052 aluminium alloy in NaCl solution

Wang, Dapeng, Yang, Dong, Zhang, Daquan, Li, Kang, Gao, Lixin and Lin, Tong 2015, Electrochemical and DFT studies of quinoline derivatives on corrosion inhibition of AA5052 aluminium alloy in NaCl solution, Applied surface science, vol. 357, no. Part B, pp. 2176-2183, doi: 10.1016/j.apsusc.2015.09.206.

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Title Electrochemical and DFT studies of quinoline derivatives on corrosion inhibition of AA5052 aluminium alloy in NaCl solution
Author(s) Wang, Dapeng
Yang, Dong
Zhang, Daquan
Li, Kang
Gao, Lixin
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Journal name Applied surface science
Volume number 357
Issue number Part B
Start page 2176
End page 2183
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-12
ISSN 0169-4332
Keyword(s) Science & Technology
Physical Sciences
Technology
Chemistry, Physical
Materials Science, Coatings & Films
Physics, Applied
Physics, Condensed Matter
Chemistry
Materials Science
Physics
Aluminium
Corrosion inhibitor
Quinoline derivatives
NaCl solution
DENSITY-FUNCTIONAL THEORY
SODIUM-CHLORIDE SOLUTIONS
IRON SURFACE
MILD-STEEL
ADSORPTION
MOLECULES
COPPER
8-HYDROXYQUINOLINE
IMIDAZOLE
BEHAVIOR
Summary Two quinoline derivatives, 8-aminoquinoline (8-AQ) and 8-nitroquinoline (8-NQ), have been used as inhibitors to examine their corrosion protection effect on AA5052 aluminium alloy in 3% NaCl solution. The weight-loss and electrochemical measurement have indicated that 8-AQ and 8-NQ play as anodic inhibitor to retard the anodic electrochemical process. SEM/EDS analysis clearly shows that 8-AQ and 8-NQ form a protective film on the AA5052 alloy surface. Density functional theory (DFT) calculation confirmed the formation of strong hybridization between the p-orbital of reactive sites in the inhibitor molecules and the sp-orbital of the Al atom. 8-aminoquinoline and 8-nitroquinoline may be useful as effective corrosion inhibitors for aluminium alloys.
Language eng
DOI 10.1016/j.apsusc.2015.09.206
Field of Research 091205 Functional Materials
030304 Physical Chemistry of Materials
030799 Theoretical and Computational Chemistry not elsewhere classified
Socio Economic Objective 860699 Industrial Chemicals and Related Products not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081113

Document type: Journal Article
Collection: Institute for Frontier Materials
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