Hopkins Paul, Schmidt Matthias
H H Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
Phys Rev E Stat Nonlin Soft Matter Phys. 2011 May;83(5 Pt 1):050602. doi: 10.1103/PhysRevE.83.050602. Epub 2011 May 31.
Using fundamental-measure density functional theory we investigate entropic wetting in an asymmetric binary mixture of hard spheres with positive nonadditivity. We consider a general planar hard wall, where preferential adsorption is induced by a difference in closest approach of the different species and the wall. Close to bulk fluid-fluid coexistence, the phase rich in the minority component adsorbs either through a series of first-order layering transitions, where an increasing number of liquid layers adsorbs sequentially, or via a critical wetting transition, where a thick film grows continuously.
利用基本度量密度泛函理论，我们研究了具有正非加和性的硬球非对称二元混合物中的熵润湿现象。我们考虑一个一般的平面硬壁，其中不同物种与壁的最接近距离差异会引发优先吸附。在接近体相流体-流体共存时，富含少数组分的相通过一系列一阶分层转变进行吸附，即越来越多的液层依次吸附，或者通过临界润湿转变进行吸附，即厚膜连续生长。
