Impact of an ionic surfactant on the ion transfer behaviors at meso-liquid/liquid interface arrays

被引：7

作者：

Gao, Kui ^{[1
]}

Jiang, Xu-Heng ^{[1
]}

Hu, Dao-Pan ^{[1
]}

Bian, Shu-Juan ^{[1
]}

Wang, Meng ^{[1
]}

Chen, Yong ^{[1
]}

机构：

[1] Shanghai Inst Technol, Sch Chem & Environm Engn, Shanghai 201418, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2015年 / 26卷 / 03期

基金：

上海市自然科学基金; 美国国家科学基金会;

关键词：

Mesoporous membrane; Surfactant; Liquid/liquid interface; Ion transfer; Voltammetry; POROUS ALUMINA MEMBRANE; MESOPOROUS SILICA MEMBRANE; BAR-LIQUID INTERFACE; ANION TRANSFER; PROTEINS; NANOCHANNELS; NANOWIRES;

D O I：

10.1016/j.cclet.2014.12.003

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The influence of ionic surfactants, cetyltrimethylammonium bromide (CTAB), self-assembled within silica-nanochannels of a hybrid mesoporous silica membrane (HMSM) on simple ion transfer (IT) behaviors at the meso-water/1,2-dichloroethane (W/DCE) interface arrays supported by such a HMSM was investigated by voltammetry for the first time. Significantly, it is found that the CTAB in HMSM can dramatically enhance the peak-current responses corresponding to ITs of some anions and even lower their Gibbs transfer energies from W to DCE, which could be ascribed to an anion-exchange process between anions and the bromide of CTAB associated with partial ion-dehydration induced by the CTAB. This work will provide a new strategy to study anion transfer processes and improve the electroanalytical performance for anion detection at the liquid/liquid interface. (C) 2014 Yong Chen. Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. All rights reserved.

引用

页码：285 / 288

页数：4

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