Nanocomposite multilayer film of a ruthenium metallodendrimer and a Dawson-type polyoxometalate as a bifunctional electrocatalyst

被引:119
作者
Cheng, L [1 ]
Cox, JA [1 ]
机构
[1] Miami Univ, Dept Chem & Biochem, Oxford, OH 45056 USA
关键词
D O I
10.1021/cm010854y
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A pentaerythiritol-based metallodendrimer with four ruthenium(II) terpyridine units (RuDen) and a Dawson-type phosphotungstate, P(2)W(18)O(62)(6-) (P(2)W(18)) are immobilized on a glassy carbon electrode to form multilayered self-assemblies by layer-by-layer deposition based on electrostatic interaction. The (P(2)W(18)\RuDen) multi-layer films have been investigated with UV-visible spectrometry, cyclic voltammetry, and TappingMode atomic force microscopy. They showed a bifunctional electrocatalytic capability, namely, iodate reduction and arsenite oxidation.
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页码:6 / +
页数:4
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