Electrode modified with ionic liquid covalently bonded to silicate matrix for accumulation of electroactive anions

被引：25
作者：
Lesniewski, Adam
Niedziolka, Joanna
Palys, Barbara
Rizzi, Cecile
Gaillon, Laurent
Opallo, Marcin
机构：
[1] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland
[2] Univ Warsaw, Dept Chem, Warsaw, Poland
[3] Univ Paris 06, ENSCP, Lab Electrochim & Chim Analyt, CNRS,UMR 7575, F-75252 Paris 05, France
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2007年 / 9卷 / 10期
关键词：
ionic liquid; voltammetry; supported ionic liquid; Fe(CN)(6)(3-); sol-gel;
D O I：
10.1016/j.elecom.2007.08.005
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A thin silicate film containing imidazolium cationic groups surface was obtained by sol-gel processing of ionic liquid - 1-methyl-3(3-trimethoxysilylpropyl)imidazolium bis(trifluoromethyl-sulfonyl)imide together with tetramethyl orthosilicate on the indium tin oxide electrode. The formation of silicate film was confirmed by FTIR spectroscopy. This electrode when immersed into aqueous solution act as a sponge for Fe(CN)(3-)(6) dissolved in aqueous solution. The corresponding voltammetric peak current is by almost two orders of mag nitude larger than for electrode covered by ionic liquid precursor only. The repelling of Ru(NH3)(3+) (6) cations by this electrode is also demonstrated. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：2580 / 2584
页数：5
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