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A wet chemical route is herein presented with the aim of building up a superhydrophobic coating on copper (Cu). A thin film of flower-like alumina – obtained by sol–gel – was deposited and combined with fluoroalkylsilane moieties, resulting in a hybrid coating with excellent repellence to water (static contact angle of 179±1°) and self-cleaning properties (contact angle hysteresis of 5±1°). The wetting...