A kinetic Monte Carlo simulation of surface microfluidic patterning organic molecules based on anisotropic wetting

In this Letter, the kinetic Monte Carlo simulations are employed to study the microscopic mechanisms of patterning molten organic particles based on liquid behavior on templated surfaces. The simulated results show that the binding energy difference between the organic particle and templated surface plays a key role in the anisotropic wetting of organic particles. And the square root of time law between the spreading distance and simulated time on different temperatures is well consistent with experimental observation. We also note that the geometry effect of channel edge has very significant effect on the dependence of spreading velocity on template dimensions. (C) 2015 Elsevier B.V. All rights reserved.