Dewdrop Metasurfaces and Dynamic Control Based on Condensation and Evaporation
Runqi Jia,
Yongxin Jing,
Hongchen Chu
et al.
Abstract:Dewdrops, the droplets of water naturally occurring on leaves and carapaces of insects, are a fascinating phenomenon in nature. Here, a man‐made array of dewdrops with arbitrary shapes and arrangements, which can function as an electromagnetic metasurface, is demonstrated. The realization of the dewdrop array is enabled by a surface covered by a tailored pattern of hydrophilic and hydrophobic coatings, where tiny droplets of water can aggregate and form dewdrops on the former. Interestingly, this metasurface m… Show more
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