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	Critical Dipole Length for the Wetting Transition Due to Collective Water-dipoles Interactions
	Wang, CL（王春雷） ; Zhou, B（周波） ; Tu, YS ; Duan, MY ; Xiu, P ; Li, JY（李景烨） ; Fang, HP（方海平）
刊名	SCIENTIFIC REPORTS
	2012
卷号	2
ISSN号	2045-2322
英文摘要	The wetting behavior of water on the solid surfaces is fundamental to various physical, chemical and biological processes. Conventionally, the surface with charges or charge dipoles is hydrophilic, whereas the non-polar surface is hydrophobic though some exceptions were recently reported. Using molecular dynamics simulations, we show that there is a critical length of the charge dipoles on the solid surface. The solid surface still exhibited hydrophobic behavior when the dipole length was less than the critical value, indicating that the water molecules on the solid surface seemed not "feel'' attractive interactions from the charge dipoles on the solid surface. Those unexpected observations result from the collective interactions between the water molecules and charge dipoles on the solid surface, where the steric exclusion effect between water molecules greatly reduces the water-dipole interactions. Remarkably, the steric exclusion effect is also important for surfaces with charge dipole lengths greater than this critical length.
语种	英语
WOS记录号	WOS:000302559000001
公开日期	2013-09-11
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/13111]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 GB/T 7714	Wang, CL,Zhou, B,Tu, YS,et al. Critical Dipole Length for the Wetting Transition Due to Collective Water-dipoles Interactions[J]. SCIENTIFIC REPORTS,2012,2.
APA	Wang, CL.,Zhou, B.,Tu, YS.,Duan, MY.,Xiu, P.,...&Fang, HP.(2012).Critical Dipole Length for the Wetting Transition Due to Collective Water-dipoles Interactions.SCIENTIFIC REPORTS,2.
MLA	Wang, CL,et al."Critical Dipole Length for the Wetting Transition Due to Collective Water-dipoles Interactions".SCIENTIFIC REPORTS 2(2012).

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