Dewdrop Metasurfaces and Dynamic Control Based on Condensation and Evaporation
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 made of dewdrops can be modulated by the condensation and evaporation process. By increasing relative humidity and decreasing temperature, the dewdrop metasurface is gradually formed with increasing amounts of water. While the reverse operation can make it completely disappear. This idea is demonstrated through two examples with different functions of dynamically controllable microwave absorption and scattering. The work shows a principle to construct functional electromagnetic devices with dewdrops, as well as a mechanism of dynamic control based on condensation and evaporation, promising unprecedented applications.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Dewdrop Metasurfaces and Dynamic Control Based on Condensation and Evaporation ; day:21 ; month:08 ; year:2024 ; extent:8
Advanced science ; (21.08.2024) (gesamt 8)
- Creator
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Jia, Runqi
Jing, Yongxin
Chu, Hongchen
Peng, Ruwen
Wang, Mu
Lai, Yun
- DOI
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10.1002/advs.202404010
- URN
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urn:nbn:de:101:1-2408211435207.942499450867
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:47 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Jia, Runqi
- Jing, Yongxin
- Chu, Hongchen
- Peng, Ruwen
- Wang, Mu
- Lai, Yun
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