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Experimental determination of the efficiency of nanostructuring on non-wetting legs of the water strider.

机译:实验确定水ider的非润湿腿上的纳米结构的效率。

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摘要

Water striders demonstrate an amazing talent which enables them to effectively row been ascribed to the wax-like chemistry of the small hairs (setae) found on the legs, and theoretically attributed to the nano/microscaled hierarchical architecture of individual seta using the Cassie-Baxter equations. Here we show experimentally the strength of the contribution of the seta surface architecture to superhydrophobicity by maintaining identical surface chemistry (thin and thick coating of the setae with polydimethylsiloxane). Atomic force microscopy-based force and adhesion measurements of single uncoated and coated seta interacting with water quantitatively demonstrate the efficiency of the topographical component of the setae for repelling water.
机译:水str显示出惊人的才能,使他们能够有效地划归腿上发现的小毛发(刚毛)的蜡状化学成分,理论上归因于使用Cassie-Baxter的单个刚毛的纳米/微米级层次结构方程。在这里,我们通过保持相同的表面化学性质(聚二甲基硅氧烷的稀薄而厚的刚毛涂层),通过实验展示了刚毛表面结构对超疏水性的​​贡献强度。与水相互作用的单个未包被和包被的刚毛的基于原子力显微镜的力和附着力测量定量地证明了刚毛的地形成分排斥水的效率。

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