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Slippery and mobile hydrophobic electrokinetics: From single walls to nanochannels
Current Opinion in Colloid & Interface Science ( IF 8.9 ) Pub Date : 2023-08-04 , DOI: 10.1016/j.cocis.2023.101742
Olga I. Vinogradova , Elena F. Silkina , Evgeny S. Asmolov

We discuss how the wettability of solid walls impacts electrokinetic phenomena from large systems down to a nanoscale. We show in particular how could the hydrophobic slippage, coupled to confinement effects, be exploited to induce novel electrokinetic properties, such as a salt-dependent giant amplification of zeta potential and conductivity, and a much more efficient energy conversion. However, the impact of slippage is dramatically reduced if adsorbed surface charges would migrate along the hydrophobic wall under an applied field.



中文翻译:

光滑且移动的疏水电动学:从单壁到纳米通道

我们讨论固体壁的润湿性如何影响从大型系统到纳米级的动电现象。我们特别展示了如何利用疏水滑移与限制效应相结合来诱导新的电动特性,例如依赖于盐的 zeta 电位和电导率的巨大放大,以及更有效的能量转换。然而,如果吸附的表面电荷在施加的场下沿着疏水壁迁移,则滑移的影响会大大减少。

更新日期:2023-08-04
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