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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
A nonmonotonic dependence of the contact angles on the surface polarity for a model solid surface
作者: Qi, CH; Zhou, B; Wang, CL; Zheng, YJ; Fang, HP
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
出版日期: 2017
卷号: 19, 期号:9, 页码:6665-6670
DOI: 10.1039/c6cp08275k
文章类型: 期刊论文
英文摘要: Based 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000396031200035
ISSN号: 1463-9076
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27244
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
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,2017-01-01,19(9):6665-6670.
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