Pancake Jumping of Sessile Droplets

Abstract: Rapid droplet shedding from surfaces is fundamentally interesting and important in numerous applications such as anti‐icing, anti‐fouling, dropwise condensation, and electricity generation. Recent efforts have demonstrated the complete rebound or pancake bouncing of impinging droplets by tuning the physicochemical properties of surfaces and applying external control, however, enabling sessile droplets to jump off surfaces in a bottom‐to‐up manner is challenging. Here, the rapid jumping of sessile droplets, even cold droplets, in a pancake shape is reported by engineering superhydrophobic magnetically responsive blades arrays. This largely unexplored droplet behavior, termed as pancake jumping, exhibits many advantages such as short interaction time and high energy conversion efficiency. The critical conditions for the occurrence of this new phenomenon are also identified. This work provides a new toolkit for the attainment of well‐controlled and active steering of both sessile and impacting droplets for a wide range of applications.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Pancake Jumping of Sessile Droplets ; day:14 ; month:01 ; year:2022 ; extent:9
Advanced science ; (14.01.2022) (gesamt 9)

Urheber
Qian, Chenlu
Zhou, Fan
Wang, Ting
Li, Qiang
Hu, Dinghua
Chen, Xuemei
Wang, Zuankai

DOI
10.1002/advs.202103834
URN
urn:nbn:de:101:1-2022011514155044436901
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:27 MESZ

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Beteiligte

  • Qian, Chenlu
  • Zhou, Fan
  • Wang, Ting
  • Li, Qiang
  • Hu, Dinghua
  • Chen, Xuemei
  • Wang, Zuankai

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