The limit of droplet rebound angle
Zhipeng Zhao,
Wei Li,
Xiaotian Hu (),
Qiyu Deng,
Yiyuan Zhang,
Shaojun Jiang,
Pengcheng Sun,
Hengjia Zhu,
Hegeng Li,
Siyi Shi,
Zhandong Huang,
An Li,
Huizeng Li,
Meng Su,
Fengyu Li,
Steven Wang,
Yanlin Song () and
Liqiu Wang ()
Additional contact information
Zhipeng Zhao: The University of Hong Kong
Wei Li: The University of Hong Kong
Xiaotian Hu: Nanchang University
Qiyu Deng: The University of Hong Kong
Yiyuan Zhang: The University of Hong Kong
Shaojun Jiang: The University of Hong Kong
Pengcheng Sun: City University of Hong Kong
Hengjia Zhu: The University of Hong Kong
Hegeng Li: The University of Hong Kong
Siyi Shi: Nanchang University
Zhandong Huang: Xi’an Jiaotong University
An Li: Beijing National Laboratory for Molecular Sciences (BNLMS)/University of Chinese Academy of Sciences
Huizeng Li: Beijing National Laboratory for Molecular Sciences (BNLMS)/University of Chinese Academy of Sciences
Meng Su: Beijing National Laboratory for Molecular Sciences (BNLMS)/University of Chinese Academy of Sciences
Fengyu Li: Jinan University
Steven Wang: City University of Hong Kong
Yanlin Song: Beijing National Laboratory for Molecular Sciences (BNLMS)/University of Chinese Academy of Sciences
Liqiu Wang: The University of Hong Kong
Nature Communications, 2025, vol. 16, issue 1, 1-8
Abstract:
Abstract Regulating the motion state of droplets after impacting on solid surfaces is crucial in many fields including self-cleaning, energy harvesting, and microfluidics. The rebound angle of the droplet is a key factor in determining its motion state. However, up until now, the limit of droplet rebound angle remains unidentified. Here, we reveal a previously undiscovered droplet rebound behavior that the droplet rolls rapidly along the surface with a rebound angle close to 0 degrees, the limit of the droplet rebound angle. Such unexpected behavior originates from the droplet behaving like two mutually perpendicular springs enabled by continuous asymmetric adhesion provided by the heterogeneous modified nanostructure. This boundary-rolling behavior of droplets contributes to scientific and technical advances in various fields that involve droplet-impact, as illustrated through examples of enhanced cleaning efficiency (improved by 349%) and well-controlled droplet transport in tortuous passages which can hardly be achieved before without external fields coupling.
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-61300-4
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DOI: 10.1038/s41467-025-61300-4
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