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A nonmonotonic dependence of the contact angles on the surface polarity for a model solid surface
Qi, CH; Zhou, B; Wang, CL; Zheng, YJ; Fang, HP
2017
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume19Issue:9Pages:6665-6670
Subtype期刊论文
AbstractBased on molecular dynamics simulations, we found a nonmonotonic relationship between the contact angle of water droplets and the surface polarity on a solid surface with specific hexagonal charge patterns at room temperature. The contact angle firstly decreases and then increases as polarity (denoted as charge q) increases from 0 e to 10 e with a vertex value of q = 0.5 e. We observed a different wetting behavior for a water droplet on a conventional nonwetted solid surface when q <= 0.5 e, and a water droplet on an ordered water monolayer adsorbed on a highly polar solid surface when q > 0.5 e. The solid-water interaction, density of water, hydrogen bonds, and water structures were analyzed. Remarkably, there was up to six times difference in the solid-water interactions despite the same value of the apparent contact angle values.
DOI10.1039/c6cp08275k
Indexed BySCI
Language英语
WOS IDWOS:000396031200035
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27244
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Qi, CH,Zhou, B,Wang, CL,et al. A nonmonotonic dependence of the contact angles on the surface polarity for a model solid surface[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2017,19(9):6665-6670.
APA Qi, CH,Zhou, B,Wang, CL,Zheng, YJ,&Fang, HP.(2017).A nonmonotonic dependence of the contact angles on the surface polarity for a model solid surface.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,19(9),6665-6670.
MLA Qi, CH,et al."A nonmonotonic dependence of the contact angles on the surface polarity for a model solid surface".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 19.9(2017):6665-6670.
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