Fabrication and electrochemical characterization of electrostatic assembly of polyelectrolyte-functionalized ionic liquid and Prussian blue ultrathin films

被引：19

作者：

Li, Fenghua ^{[1
]}

Shan, Changsheng ^{[1
]}

Bu, Xinyuan ^{[1
]}

Shen, Yanfei ^{[1
]}

Yang, Guifu ^{[1
]}

Niu, Li ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Grad Univ, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2008年 / 616卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

Prussian blue; ionic liquids; electrostatic assembly; layer-by-layer; electrochemistry; hydrogen peroxide;

D O I：

10.1016/j.jelechem.2007.12.020

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Polyelectrolyte-functionalized ionic liquid (PFIL) and Prussian blue (PB) nanoparticles were used to fabricate ultrathin films on the ITO substrate through electrostatic layer-by-layer assembly method. Multilayer growth was examined by UV-vis spectroscopy and cyclic voltammetry. The resulting ITO/(PFIL/PB)n electrode showed two couples of well-defined redox peaks and good electrocatalytical activity towards the reduction of hydrogen peroxide. The obtained PFIL/PB multilayer showed excellent reproducibility, good stability and high sensitivity (even to 10(-7) M) for the amperometric analysis of hydrogen peroxide. In comparison with a similar Poly(diallyldimethyldiammonium chloride) PDDA/PB multilayer, it was found that the PFIL played an important role for the electrocatalytical reduction of hydrogen peroxide. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：1 / 6

页数：6

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