Ricocheting Droplets Moving on Super-Repellent Surfaces

Shuaijun Pan; Rui Guo; Joseph J Richardson; Joseph D Berry; Quinn A Besford; Mattias Bjornmalm; Gyeongwon Yun; Ruoxi Wu; Zhixing Lin; Qi-Zhi Zhong; Jiajing Zhou; Qiang Sun; Jianhua Li; Yanbing Lu; Zhichao Dong; Margaret Katherine Banks; Weijian Xu; Jianhui Jiang; Lei Jiang; Frank Caruso

Journal article

Ricocheting Droplets Moving on Super-Repellent Surfaces

Shuaijun Pan, Rui Guo, Joseph J Richardson, Joseph D Berry, Quinn A Besford, Mattias Bjornmalm, Gyeongwon Yun, Ruoxi Wu, Zhixing Lin, Qi-Zhi Zhong, Jiajing Zhou, Qiang Sun, Jianhua Li, Yanbing Lu, Zhichao Dong, Margaret Katherine Banks, Weijian Xu, Jianhui Jiang, Lei Jiang, Frank Caruso

Advanced Science | Wiley Open Access | Published : 2019

DOI: 10.1002/advs.201901846

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Abstract

Droplet bouncing on repellent solid surfaces (e.g., the lotus leaf effect) is a common phenomenon that has aroused interest in various fields. However, the scenario of a droplet bouncing off another droplet (either identical or distinct chemical composition) while moving on a solid material (i.e., ricocheting droplets, droplet billiards) is scarcely investigated, despite it having fundamental implications in applications including self‐cleaning, fluid transport, and heat and mass transfer. Here, the dynamics of bouncing collisions between liquid droplets are investigated using a friction‐free platform that ensures ultrahigh locomotion for a wide range of probing liquids. A general prediction..

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University of Melbourne Researchers

Frank Caruso Author Chemical Engineering

Joe Berry Author Chemical Engineering

Zhixing Lin Author Chemical Engineering

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Grants

Awarded by National Natural Science Foundation of China

Awarded by China Scholarship Council

Awarded by Natural Science Foundation of Hunan Province of China

Awarded by Horizon 2020/European Union

Awarded by Australian Research Council (ARC) Discovery Early Career Researcher Award (ARC DECRA Project)

Awarded by Australian Research Council Centre of Excellence in Convergent Bio-Nano Science and Technology

Awarded by ARC Australian Laureate Fellowship scheme

Awarded by National Health and Medical Research Council (NHMRC) Senior Principal Research Fellowship

Funding Acknowledgements

This research was supported by the following grants, schemes, and fellowships: National Natural Science Foundation of China (Grant Nos. 51703056 and 21606081), China Scholarship Council (File No. 201606130022), Natural Science Foundation of Hunan Province of China (Project No. 2018JJ3028), Horizon 2020/European Union (Grant No. 745676), Australian Research Council (ARC) Discovery Early Career Researcher Award (ARC DECRA Project No. DE150100169), Australian Research Council Centre of Excellence in Convergent Bio-Nano Science and Technology (Project No. CE140100036), ARC Australian Laureate Fellowship scheme (Grant No. FL120100030), and the National Health and Medical Research Council (NHMRC) Senior Principal Research Fellowship (Grant No. GNT1135806). This article is part of the Advanced Science 5th anniversary interdisciplinary article series, in which the journal's executive advisory board members highlight top research in their fields.