Abstract
Highlights
A surface with periodic hydrophobicity gradient (SPHG) is fabricated by shaped femtosecond laser.
The directional self-propulsion of the Leidenfrost droplets is realized.
The viscous gradient force between gas and liquid is used to drive the droplet to move.
A brand-new method for controlling the movement of droplets is provided.
Funder
Beijing Municipal Natural Science Foundation
National Key Research and Development Program ofChina
National Science Fund for Distinguished Young Scholars
National Natural Science Foundation of China
Open Project Program of Wuhan National Laboratory for Optoelectronics
Joint Funds of the National Natural ScienceFoundation of China
Cited by
4 articles.
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