Elementary autonomous surface microfluidic devices based on laser-fabricated wetting gradient microtextures that drive directional water flows | Zendy

Nadezhda Shchedrina | Zendy; S. I. Kudryashov | Zendy; M. K. Moskvin | Zendy; Galina Odintsova | Zendy; I. V. Krylach | Zendy; П. А. Данилов | Zendy; A. G. Bondarenko | Zendy; Evgenia Davydova | Zendy; M. I. Fokina | Zendy; Roman O. Olekhnovich | Zendy; M. V. Uspenskaya | Zendy; Vadim P. Veiko | Zendy

Open Access

Elementary autonomous surface microfluidic devices based on laser-fabricated wetting gradient microtextures that drive directional water flows

Author(s) -

Nadezhda Shchedrina,

S. I. Kudryashov,

M. K. Moskvin,

Galina Odintsova,

I. V. Krylach,

П. А. Данилов,

A. G. Bondarenko,

Evgenia Davydova,

M. I. Fokina,

Roman O. Olekhnovich,

M. V. Uspenskaya,

Vadim P. Veiko

Publication year - 2021

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.418173

Subject(s) - wetting , microfluidics , materials science , laser , nanosecond , surface modification , optics , surface (topology) , water flow , nanotechnology , optoelectronics , composite material , chemical engineering , environmental science , physics , geometry , mathematics , engineering , environmental engineering

Topography-dependent tuning of water wettability was achieved on a stainless steel surface textured by nanosecond-laser pulses at different laser fluences, with the minimal contribution of the surface chemical modification. Such differently-wet neighboring surface spots were demonstrated to drive an autonomous directional water flow. A series of elementary microfluidic devices based on the spatial wetting gradients were designed and tested as building blocks of "green", energy-saving autonomous microfluidic circuits.

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