Effect of anionic surfactants on the surface plasmon resonance band of silver nanoparticles: Determination of critical micelle concentration

被引：11
|
作者：
Salem, Jamil K. [1 ]
El-Nahhal, Issa M. [1 ]
Najri, Bassam A. [1 ]
Hammad, Talaat M. [1 ]
Kodeh, Fawzi [1 ]
机构：
[1] Al Azhar Univ, Dept Chem, POB 1277, Gaza, Israel
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2016年 / 223卷
关键词：
Silver nanoparticles; Anionic surfactants; Critical micelle concentration; COLORIMETRIC DETECTION; SOLVENTS; SYSTEMS;
D O I：
10.1016/j.molliq.2016.09.014
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 have utilized surface plasmon resonance (SPR) band sensitivity to surfactant concentration tainvestigate the critical micelle concentration (cmc) of AOT and SDS. The process is based on an in situ formation of silver nano particles (AgNPs) through the reduction of silver ions (Ag+) by diethylene triamine (DETA) at room temperature. The shift of the SPR band position (lambda(max)) at cmc can be observed with the naked eye in the form of a color change from brown to red for SDS and from brown to yellow for AOT. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：771 / 774
页数：4
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