Abstract
Nature has provided a plethora of functional surfaces exhibiting unique, complex hierarchical morphologies with dimensions of features ranging from the macroscale to the nanoscale. Such morphologies are behind the superior properties exhibited by the natural surfaces, including extreme wetting [1], antireflection [2], floatation, adhesion, friction and mechanical strength [3]. In principle, femtosecond laser induced surface structuring has been employed to produce numerous biomimetic structures for a range of applications, including microfluidics, tribology, tissue engineering and advanced optics.
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