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240605s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00932
|2 doi
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|a pubmed24n1445.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Chu, Qingkai
|e verfasserin
|4 aut
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| 245 |
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|a Thiol-ene Click Chemistry Synthesis of L-Cysteine-Grafted Graphene Oxide As a New Corrosion Inhibitor for Q235 Steel in Acidic Environment
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 18.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a l-cysteine, as an eco-friendly and nontoxic corrosion inhibitor, was directly covalently linked to the carbon/carbon double bonds of the GO flakes by a thiol-ene click reaction to avoid decreasing the number of hydrophilic oxygen-containing polar functionalities. The corrosion inhibition performances of Cys-GO toward Q235 steel (QS) in diluted hydrochloric acid were studied by electrochemical methods. The corrosion was a charge transfer-controlled process, and Cys-GO manifested as a mixed-type corrosion inhibitor. The corrosion inhibition efficiency (η) for QS showed a first-increase-and-then-decrease trend with increasing Cys-GO concentrations. The optimum concentration of Cys-GO was 15 mg L-1, and the according η value was up to 90%. The Cys-GO adsorbed on the QS surface to form a protective barrier was responsible for the efficient corrosion inhibition. Langmuir adsorption isotherm model was fitted well with the experiment data, indicating a monolayer adsorption. Furthermore, the coordinate covalent bonds, π-back-donation effect, and electrostatic attraction were responsible for the Cys-GO adsorption on the QS surface
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|a Journal Article
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| 700 |
1 |
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|a Yang, Haobing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Zhixiong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiaofan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Niu, Guoyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xianhui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ye, Yuwei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 24 vom: 18. Juni, Seite 12526-12538
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:24
|g day:18
|g month:06
|g pages:12526-12538
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00932
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