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Title Stiffness-guided motion of a droplet on a solid substrate
Date 01.06.2017
Number 53799
Abstract A range of technologies require the directed motion of nanoscale droplets on solid substrates. A way of realizing this effect is durotaxis, whereby a stiffness gradient of a substrate can induce directional motion without requiring an energy source. Here, we report on the results of extensive molecular dynamics investigations of droplets on a surface with varying stiffness. We find that durotaxis is enhanced by increasing the stiffness gradient and, also, by increased wettability of the substrate, in particular, when the droplet size decreases. We anticipate that our study will provide further insights into the mechanisms of nanoscale directional motion.
URL http://dx.doi.org/10.1063/1.4990436
Publisher Journal of Chemical Physics
Identifier 0
Citation Journal of Chemical Physics 146 (2017) ID244705
DOI http://dx.doi.org/10.1063/1.4990436
Authors Theodorakis, P. E. ; Egorov, S. A. ; Milchev, A.
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