Interaction of Charged Colloidal Particles at the Air-Water Interface

被引：28
|
作者：
Girotto, Matheus [1 ]
dos Santos, Alexandre P. [1 ]
Levin, Yan [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, Inst Fis, Caixa Postal 15051, BR-91501970 Porto Alegre, RS, Brazil
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2016年 / 120卷 / 26期
关键词：
MONTE-CARLO-SIMULATION; EWALD SUMMATION; BOUNDARY-CONDITIONS; MOLECULAR-DYNAMICS; PERIODIC-SYSTEMS; PLANAR SURFACES; AIR/WATER; ARTIFACTS; PRESSURE; CRYSTALS;
D O I：
10.1021/acs.jpcb.5b10105
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We study, using Monte Carlo simulations, the interaction between charged colloidal particles confined to the air water interface. The dependence of force on ionic strength and counterion valence is explored. For 1:1 electrolyte, we find that the electrostatic interaction at the interface is very close to the one observed in the bulk. On the other hand, for salts with multivalent counterions, an interface produces an enhanced attraction between like charged colloids. Finally, we explore the effect of induced surface charge at the air water interface on the interaction between colloidal particles.
引用
收藏
页码：5817 / 5822
页数：6
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