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240608s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c01265
|2 doi
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|a pubmed24n1445.xml
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|a (NLM)38843518
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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 |
1 |
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|a Wang, Qiang
|e verfasserin
|4 aut
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|a Amphiphilic Janus Graphene Oxide Acts as a Corrosion Inhibitor to Mitigate the Corrosion Caused by a 1 M HCl Solution on Mild Steel
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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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 Great aqueous dispersibility, a large specific surface area, and high impermeability make graphene oxide (GO) the ideal candidate for a high-performance corrosion inhibitor. Numerous symmetrical modification methods have been reported to enhance the adsorption of GO on metal surfaces in various corrosive media. This work aims to investigate the enhancement and mechanism of unilateral hydrophobic modification on the corrosion inhibition performance of GO. In this study, amphiphilic Janus GO (JGO) was prepared by grafting hydrophobic alkyl chains on one side of GO, and its anticorrosion performance was evaluated via weight loss experiments and electrochemical tests. The results revealed that the corrosion inhibition efficiency for Q235 mild steel (MS) in a 1 M HCl aqueous solution of 25 ppm JGO (81.08%) was much higher than that of GO at the same concentration (22.12%). Furthermore, the Langmuir adsorption isotherm and computational study demonstrated that the synergistic effect of physical adsorption and chemical adsorption promoted the hydrophilic side of JGO close to the surface of the metal, and the dense protective layer was formed by the hydrophobic chains toward the corrosive medium, which effectively hindered the corrosion of MS by the acidic liquid. This study emphasizes the significant role of asymmetrically modified hydrophobic alkyl chains in improving the corrosion prevention performance of GO and provides a perspective for the structural design of GO-based corrosion inhibitors
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|a Journal Article
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| 700 |
1 |
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|a Shen, Zhihao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qiuxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Chuanqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jia, Haidong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Han
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pei, Pingan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shan, Chang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Liangyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Yifan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jia, Han
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Pan
|e verfasserin
|4 aut
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| 773 |
0 |
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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 12709-12720
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:24
|g day:18
|g month:06
|g pages:12709-12720
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01265
|3 Volltext
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|d 40
|j 2024
|e 24
|b 18
|c 06
|h 12709-12720
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