期刊
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
卷 468, 期 2138, 页码 310-322出版社
ROYAL SOC
DOI: 10.1098/rspa.2011.0305
关键词
wetting; interior corner; precursor chain; molecular dynamics; molecular kinetic theory
资金
- National Natural Science Foundation of China (NSFC) [60936001, 11072244, 11021262]
- National Basic Research Programme of China (973 Programme) [2007CB310500]
The topology-dominated dynamic wetting of a droplet in a hydrophilic interior corner was explored using molecular dynamics simulations and molecular kinetic theory. A wetting transition in the interior corner of a single-file water-molecule precursor chain (PC), which eliminated the stress singularity and advanced much faster than the precursor film, was controlled by the interior angle. Owing to the confinement in the interior corner, the potential surface is lower and smoother. The one-dimensional hydrogen-bond chain transferred the disjoining pressure to drive the PC to slip-like ice. As an example, a stable and long metallic monatomic chain was formed using the unique transport properties of the PC for the first time. Our results may help in understanding the topology-dominated dynamic wetting in a hydrophilic interior corner, expand 'Taylor conjecture' to nanoscale and develop new applications at nanoscale.
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