Self-assembled autonomous runners and tumblers
Self-assembled autonomous runners and tumblers
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DOI：
10.1103/physreve.82.015304
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发表时间：
2010-07-23
影响因子：
2.4
通讯作者：
Howse, Jonathan R.
中科院分区：
文献类型：
--
作者：
Ebbens, Stephen;Jones, Richard A. L.;Howse, Jonathan R.
对一类具有平移和旋转联合推进功能的人工微型游泳器进行了实验研究。化学燃料微泳者是由Janus胶体珠与催化补丁，以一个固定的角度定位相对于彼此成对。的均方位移和均方角位移的积极的双重的背景下，一个简单的朗之万描述，使用它的物理特性，如自发的平移和旋转速度的microswimmer进行了分析。我们的工作提出了策略，设计微型游泳者，可以按照规定的摆线轨迹。
A class of artificial microswimmers with combined translational and rotational self-propulsion is studied experimentally. The chemically fueled microswimmers are made of doublets of Janus colloidal beads with catalytic patches that are positioned at a fixed angle relative to one another. The mean-square displacement and the mean-square angular displacement of the active doublets are analyzed in the context of a simple Langevin description, using which the physical characteristics of the microswimmers such as the spontaneous translational and rotational velocities are extracted. Our work suggests strategies for designing microswimmers that could follow prescribed cycloidal trajectories.