Dependence of the size of micelles on the salt effect in ionic micellar solutions

被引：69

作者：

Aswal, VK ^{[1
]}

Goyal, PS

机构：

[1] Paul Scherrer Inst, Spallat Neutron Source Div, CH-5232 Villigen, Switzerland

[2] Bhabha Atom Res Ctr, Mumbai Ctr, DAEF, IUC, Bombay 400085, Maharashtra, India

来源：

CHEMICAL PHYSICS LETTERS | 2002年 / 364卷 / 1-2期

关键词：

D O I：

10.1016/S0009-2614(02)01234-4

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 report the effect of addition of salt KBr on the growth of different sizes of cationic micelles of alkyltrimethyl-ammonium. bromide surfactants in aqueous solution. The surfactants with different hydrophobic tail lengths have been used to vary the size of the micelles. It is found that the effect of salt on the growth of the micelles strongly decreases for the small micelles. We explain these results in terms of counterion condensation, which depends on the size of the micelles. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：44 / 50

页数：7

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