Preparation of Modified Electrode of Multilayer Films of Polyoxometalat K17[Ce(P2Mo17O61)2] and Its Electrochemical Behavior

Abstract

Abstract:

The layer-by-layer assembly(LBL) is a technique for production of the films in nanometer range. The modified electrode of multilayer films of polyoxometalate(POM) K₁₇[Ce(P₂Mo₁₇O₆₁)₂] and polyelectrolyte by the layer-by-layer assembly were prepared and investigated. The stable multilayer films were assembled by alternate adsorption of negatively charged POM and positively charged polyelectrolytes from their aqueous dispersions. UV-Vis spectroscopy and cyclic voltammetry were used to monitor the regular growth of the multilayer films. The proposed novel immobilized method exhibited a good high sensitivity for the determination of electrocatalyst, which is important for practical applications.

Key words: Polyoxometalate; Glassy carbon electrode(GCE); Multilayer film; Layer-by-layer self-assembly; Electrochemical behavior

CLC Number:

O64
O614

TrendMD:

WANG Li, HUANG Bing-Qiang, XIE Zhao-Xiong. Preparation of Modified Electrode of Multilayer Films of Polyoxometalat K₁₇[Ce(P₂Mo₁₇O₆₁)₂] and Its Electrochemical Behavior[J]. Chem. J. Chinese Universities, 2006, 27(3): 543.

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Preparation of Modified Electrode of Multilayer Films of Polyoxometalat K₁₇[Ce(P₂Mo₁₇O₆₁)₂] and Its Electrochemical Behavior

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