Surface micellization patterns of quaternary ammonium surfactants on mica

被引：161

作者：

Patrick, HN

Warr, GG ^{[1
]}

Manne, S

Aksay, IA

机构：

[1] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia

[2] Princeton Univ, Princeton Mat Inst, Princeton, NJ 08544 USA

[3] Rhone Poulnec CNRS Complex Fluids Lab, Cranbury, NJ 08512 USA

[4] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

来源：

LANGMUIR | 1999年 / 15卷 / 05期

关键词：

D O I：

10.1021/la981612o

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The microscopic equilibrium structures of adsorbed films of quaternary ammonium surfactants on mica have been investigated by noncontact atomic force microscopy imaging as a function of alkyl chain length and headgroup structure. Spherical and cylindrical surface micelles were observed; these were found to be related to bulk. solution self-assembly and the surfactant packing parameter, v/a(0)l(c). Shape transitions in the surface aggregates were observed on changing the counterion between chloride, bromide, and salicylate.

引用

页码：1685 / 1692

页数：8

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