THE ELECTROCHEMISTRY OF HYDROGEN-PEROXIDE ON EVAPORATED GOLD/PALLADIUM COMPOSITE ELECTRODES - MANUFACTURE AND ELECTROCHEMICAL CHARACTERIZATION

被引：42

作者：

JOHNSTON, DA

CARDOSI, MF

VAUGHAN, DH

机构：

[1] UNIV PAISLEY,DEPT SCI BIOL,SENSORS GRP,PAISLEY PA1 2BE,RENFREW,SCOTLAND

[2] UNIV PAISLEY,DEPT CHEM & CHEM ENGN,SENSORS GRP,PAISLEY PA1 2BE,RENFREW,SCOTLAND

来源：

ELECTROANALYSIS | 1995年 / 7卷 / 06期

关键词：

HYDROGEN PEROXIDE; PALLADIUM; THIN-FILM; ELECTROCATALYSIS; SENSORS;

D O I：

10.1002/elan.1140070603

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A thin-film composite metal electrode is described for the amperometric measurement of hydrogen peroxide. By thermally evaporating a 27 mu m layer of gold/palladium through a copper mask onto a plastic substrate a number of chemically equivalent sensing elements can be prepared. On these electrodes, hydrogen peroxide can be oxidized at a voltage of 0.4 V (SCE). A model for the oxidation of peroxide at these electrodes is described based upon reversible binding of hydrogen peroxide to electrochemically generated palladium oxide sites.

引用

页码：520 / 526

页数：7

共 24 条

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