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The fabrication of superhydrophobic copper films by a low-pressure-oxidation method

✍ Scribed by Ming-De Pei; Bo Wang; Er Li; Xue-hong Zhang; Xue-mei Song; Hui Yan


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
529 KB
Volume
256
Category
Article
ISSN
0169-4332

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✦ Synopsis


The lotus-leaf-like superhydrophobic copper was fabricated by a facile two-step method without the chemical modification, on which the water contact angle can reach 158 β€’ and the water-sliding angle is less than 10 β€’ . Reversible superhydrophobicity to superhydrophilicity transition was observed and controlled by alternation of UV irradiation and dark storage. More interestingly, the superhydrophobic surface exhibits superoleophilicity and all those properties can be well used in reversible switch, separating the water and oil and so on.


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