Self-sustained droplet motion on gradient substrates

ORAL

Abstract

Gradient substrates can cause the motion of droplets without providing an external energy source. Here, various substrate designs will be presented, which are studied by means of extensive molecular dynamics simulations, with motion taking place in the direction of the gradient, as well as in the opposite direction. The influence of various system parameters for each system will be presented and the underlying mechanisms will be explained, anticipating that this will provide valuable information for relevant experimental designs.

*This research has been supported by the National Science Centre, Poland, under grant No. 2019/35/B/ST3/03426. We gratefully acknowledge Polish high-performancecomputing infrastructure PLGrid (HPC Centers: ACK Cyfronet AGH) for providing computer facilities and support within computational grant no. PLG/2022/015512 and no. PLG/2022/015745.

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Publication: https://doi.org/10.1021/acs.langmuir.2c03381
https://doi.org/10.1209/0295-5075/ac55f2
https://doi.org/10.1063/1.4990436

Presenters

  • Panagiotis E Theodorakis

    • Institute of Physics, Polish Academy of Sciences

Authors

  • Panagiotis E Theodorakis

    • Institute of Physics, Polish Academy of Sciences

  • Russell Kajouri

    • Institute of Physics, Polish Academy of Sciences

  • Piotr Deuar

    • Institute of Physics Polish Academy of Sciences

  • Rachid Bennacer

    • ENS Paris-Saclay

  • Jan Zidek

    • CEITEC

  • Sergei Egorov

    • University of Virginia

  • Andrey Milchev

    • Institute of Physical Chemistry, Bulgarian Academy of Sciences