| Issue |
E3S Web Conf.
Volume 560, 2024
The 10th International Conference on Energy Materials and Environment Engineering (ICEMEE 2024)
|
|
|---|---|---|
| Article Number | 02006 | |
| Number of page(s) | 4 | |
| Section | Water Resources Management and Ecological Environment Control | |
| DOI | https://doi.org/10.1051/e3sconf/202456002006 | |
| Published online | 05 August 2024 | |
Programmable Droplet Manipulation on Superhydrophobic Surfaces with Charge Gradient
State Key Laboratory of High-performance Precision Manufacturing, Dalian University of Technology, Dalian 116024, P. R. China.
* Corresponding author: fengshile@dlut.edu.cn
The controllable manipulation of droplets is pivotal for diverse applications spanning from microfluidics to biotechnology. In this paper, we present a novel droplet manipulation method leveraging a charge gradient on superhydrophobic surfaces. By shielding the charges on a superhydrophobic surface with uniform charges, a charge gradient is generated, which can drive a neutral droplet to move along the charge gradient. By controlling the motion trajectory of the metallic shield, a programmable droplet motion in a desired manner is achieved. This programmable droplet manipulation accompanied by non-contact, fast-responsive, ultrafast, and convenient performances is promising in many fluidic systems.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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