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Structured aluminium surfaces with tunable wettability fabricated by a green approach
P. Mandal, J. Ivvala, H.S. Arora, ,
Published in Elsevier B.V.
Volume: 300
In present article, we have fabricated micro/nano hierarchical structured aluminium surfaces with a vivid range of wettability and controllable adhesion using a facile and environment-friendly approach. The micropatterned surfaces show hydrophobicity with high adhesion due to impregnated wetting state, analogous to rose petal effect. Interestingly, the micro/nano hierarchical structured surfaces become superhydrophilic due to formation of aluminium oxide and hydroxide nanoflakes. After fluorination, these surfaces become superhydrophobic with a very low contact angle hysteresis. They also exhibit a very high chemical and thermal stability along with excellent self-cleaning capability. © 2021 Elsevier B.V.
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Published in Elsevier B.V.
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