Characterization of new gemini surfactant micelles with phosphate headgroups by SANS and fluorescence spectroscopy

被引：27
|
作者：
De, S
Aswal, VK
Goyal, PS
Bhattacharya, S [1 ]
机构：
[1] Indian Inst Sci, Dept Organ Chem, Bangalore 560012, Karnataka, India
[2] Bhabha Atom Res Ctr, Solid State Phys Div, Bombay 400085, Maharashtra, India
来源：
CHEMICAL PHYSICS LETTERS | 1999年 / 303卷 / 3-4期
关键词：
D O I：
10.1016/S0009-2614(99)00207-9
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：
Two series of bisphosphate surfactants having different hydrophobic tails and variable number of spacer methylene groups have been synthesized. Detailed small-angle neutron scattering studies were carried out with their aqueous solutions to study their micellar properties. For some of these new surfactants, critical micellar concentrations and micropolarities were also determined. It has been found that the micelles were ellipsoidal for surfactants with short spacers having C12H25 hydrophobic tails. However, the corresponding surfactants having C16H33 chains and similar m-values afforded micelles that were disk-like and rod-like. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：295 / 303
页数：9
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