Biomimic superhydrophobic surfaces with contact angle greater than 150 degrees and low sliding angle on copper substrate were fabricated by means of a facile solution immersion and surface self-assembly method. The scanning electron microscopy showed a nanoneedle structure copper surface with sporadic flower-like aggregates after treatment with sodium hydroxide and potassium persulfate solution. X-ray photoelectron spectroscopy and X-ray diffraction results confirmed that the formed nanoneedles were crystallized Cu(OH)(2). And the hydrophilic Cu(OH)(2) surface can be further modified into superhydrophobic through surface self-assembly with dodecanoic acid. (C) 2011 Elsevier B.V. All rights reserved.