In-situ formation of mesoporous silica films controlled by ion transfer voltammetry at the polarized liquid-liquid interface

被引：33

作者：

Poltorak, Lukasz ^{[1
]}

Herzog, Gregoire ^{[1
]}

Walcarius, Alain ^{[1
]}

机构：

[1] Univ Lorraine, CNRS, UMR 7564, LCPME, F-54600 Villers Les Nancy, France

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 37卷

关键词：

Electrochemically assisted self-assembly; ITIES; Surfactant template; Free-standing silica film; Micro-interface; Tetraethylammonium; THIN-FILMS; ELECTROCHEMISTRY;

D O I：

10.1016/j.elecom.2013.10.018

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Mesoporous silica films have been generated at the interface between two immiscible electrolyte solutions by ion transfer voltammetry of a surfactant template and self-assembly polycondensation of a hydrolysed silica precursor. A mesoporous silica film is formed at an oil-water interface, showing a 'worm-like' structure as confirmed by SAXS and TEM. The film structure was strongly influenced by concentration of surfactant template (cetyltrimethylammonium tetrakis(4-chlorophenyl)borate). Free-standing mesoporous silica films can be also formed at micro-interface arrays and they remain permeable to the transfer of the model ion tetraethylammonium. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：76 / 79

页数：4

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