An in situ fully light‐driven switching of superhydrophobic adhesion is demonstrated based on simply spin‐coating a hydrophobic azo‐polymer on an optimized micro‐nanopost arrayed silicon substrate. Furthermore, the detailed designing principles are discussed, which might shed light on efficient exploitation of superhydrophobic liquid/solid interfaces for smart microfluidic control.
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Li et al. (2011) studied this question.
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