Superhydrophobic Films with Enhanced Corrosion Resistance and Self-Cleaning Performance on an Al Alloy

In this article, a novel and facile method is used to construct superhydrophobic surfaces on aluminum alloys. A solution of aluminum chloride hexahydrate and N-dodecyltrimethoxysilane (DTMS) in ethanol was used as the electrolyte solution. The hydrolysis of DTMS was accelerated during the electrodep...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 37(2021), 1 vom: 12. Jan., Seite 524-541
1. Verfasser: He, Zihao (VerfasserIn)
Weitere Verfasser: Zeng, Yanwei, Zhou, Miaomiao, Min, Yulin, Shen, Xixun, Xu, Qunjie
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a In this article, a novel and facile method is used to construct superhydrophobic surfaces on aluminum alloys. A solution of aluminum chloride hexahydrate and N-dodecyltrimethoxysilane (DTMS) in ethanol was used as the electrolyte solution. The hydrolysis of DTMS was accelerated during the electrodeposition process, and the hydrolysate was bonded to a pretreated aluminum surface. The prepared aluminum alloy sample exhibits both superhydrophobicity (the surface water contact angle reached 155°) and excellent corrosion resistance. The inhibition efficiency of this sample is as high as 99.9% in 3.5 wt % NaCl solution, which remains at 98% even after 30 days of immersion. Thus, our fabrication can be well applied to the field of marine corrosion protection. Therefore, the working mechanism was discussed by confocal Raman microspectroscopy (CRM). In addition, the investigation by CRM and electrochemical impedance spectroscopy (EIS) also indicates that superhydrophobic samples show good stability in NaCl solution. The fabrication method can inspire new ideas for the construction of superhydrophobic aluminum alloys in the marine environment 
650 4 |a Journal Article 
700 1 |a Zeng, Yanwei  |e verfasserin  |4 aut 
700 1 |a Zhou, Miaomiao  |e verfasserin  |4 aut 
700 1 |a Min, Yulin  |e verfasserin  |4 aut 
700 1 |a Shen, Xixun  |e verfasserin  |4 aut 
700 1 |a Xu, Qunjie  |e verfasserin  |4 aut 
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