Electrochemical formation and spectroelectrochemical characterization of organometallic [Ru(L)(CO)2]n polymers;: L = disubstituted-2,2′-bipyridine

被引：40

作者：

Caix-Cecillon, C

Chardon-Noblat, S

Deronzier, A

Haukka, M

Pakkanen, TA

Ziessel, R

Zsoldos, D

机构：

[1] Univ Grenoble 1, Lab Electrochim Organ & Photochim Redox, CNRS, UMR 5630, F-38041 Grenoble 9, France

[2] ULP, EPCM, GMI, Lab Chim Mat Catalyt, F-670087 Strasbourg, France

[3] Univ Joensuu, Dept Chem, FIN-80101 Joensuu, Finland

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1999年 / 466卷 / 02期

关键词：

ruthenium complexes; organometallic polymers; electropolymerization; substituted bipyridine;

D O I：

10.1016/S0022-0728(99)00143-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The ability of trans(Cl)-[Ru(L)(CO)(2)Cl-2] (L=various disubstituted-2,2'-bipyridine) complexes to form organometallic [Ru(L)(CO)(2)](n) polymers by electrochemical reduction has been investigated following the influence of the electronic (withdrawing or donating power) and steric effect of these L ligands. With the exception of NO2 substituents, the two electron reduction leads to the formation of an electroactive organometallic film on the electrode surface. With the strongly withdrawing nitro groups, the reduced forms of the complex are stable and prevent the electropolymerization. The electrochemical and spectroscopic properties of all these new organometallic electrode materials have been studied and vary in keeping with the bipyridine electronic properties. (C) 1999 Elsevier Science S.A. All rights reserved.

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页码：187 / 196

页数：10

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