Electrocatalytic dehalogenation of organohalides on a nickel(II) tetraazamacrocyclic complex-modified graphite felt electrode

被引：14
|
作者：
Kashiwagi, Y [1 ]
Kikuchi, C [1 ]
Anzai, J [1 ]
机构：
[1] Tohoku Univ, Grad Sch Pharmaceut Sci, Aoba Ku, Sendai, Miyagi 9808578, Japan
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2002年 / 518卷 / 01期
关键词：
nickel(II) tetraazamacrocyclic complex mediator; modified electrode; electrocatalytic dehalogenation; organohalides;
D O I：
10.1016/S0022-0728(01)00697-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Electrocatalytic dehalogenation of organohalides was studied using a nickel(II) tetraazamacrocyclic complex-modified graphite felt electrode. The nickel(II) tetraazamacrocyclic complex-modified graphite felt electrode was prepared by attaching nickel(11) (6-(2'-hydroxyethyl)-1,4,8,11-tetraazacyclotetradecane)perchlorate chemically to the carboxyl groups of a thin poly(acrylic acid) layer coated on the graphite felt. The modified electrode gave a reversible electron transfer for the nickel(II)/nickel(I) redox couple in cyclic voltammetry at -0.95 V versus Ag/AgCl. A preparative electrocatalytic dehalogenation of organohalides was successfully achieved on the modified electrode with an adequate current efficiency (55.6-94.8%), conversion (34.2-100%) and turnover number of the Ni catalyst (667-3333). (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：51 / 55
页数：5
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