Special properties of monolayer formed by a novel Gemini amphiphile at air-water interface

被引：0
|
作者：
Wang, CZ [1 ]
Liang, ZY [1 ]
Huang, HB [1 ]
机构：
[1] Peking Univ, State Key Lab Struct Unstable & Stable Species, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2005年 / 264卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
gemini amphiphile; monolayer; limiting area;
D O I：
10.1016/j.colsurfa.2005.05.010
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：
A novel Gemini amphiphile, N,N'-bis-(4-decyloxy-2-hydroxybenzylidene)-ethane-1,2-diamine, was synthesized and characterized. This amphiphile is capable of forming stable monolayer at air-water interface. The limiting area has a minimum when the pH value of subphase is 12. The unique behavior is attributed to the formation of intramolecular hydrogen bond between hydroxyl groups. The existence of this hydrogen bond was supported by the FTIR results. With the addition of copper ion into subphase, the limiting area showed a decreasing value, which is quite different from that of the conventional neutral amphiphiles. XPS and UV-vis were also carried out to investigate the effect of copper ion on molecular area. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：166 / 171
页数：6
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