Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 2, Issue 9, Pages 2500-2502Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am100563u
Keywords
one-step process; superhydrophobicity; aluminum alloy; water contact angle; contact angle hysteresis; scanning electron microscopy; X-ray photoelectron spectroscopy
Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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A simple one-step process has been developed to render aluminum alloy surfaces superhydrophobic by immersing the aluminum alloy substrates in a solution containing NaOH and fluoroalkyl-silane (FAS-17) molecules. Scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and water contact angle measurements have been performed to characterize the morphological features, chemical composition and superhydrophobicity of the surfaces. The resulting surfaces provided a water contact angle as high as similar to 162 degrees and a contact angle hysteresis as low as similar to 4 degrees. The study indicates that it is possible to fabricate superhydrophobic aluminum surfaces easily and effectively without involving the traditional two-step processes.
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