APPLICATION OF ELECTROINACTIVE POLYPYRROLE FILM TO THE PH SENSOR ELECTRODE

被引：33

作者：

OSAKA, T ^{[1
]}

FUKUDA, T ^{[1
]}

KANAGAWA, H ^{[1
]}

MOMMA, T ^{[1
]}

YAMAUCHI, S ^{[1
]}

机构：

[1] NATL REHABIL CTR DISABLED,RES INST,TOKOROZAWA,SAITAMA 359,JAPAN

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1993年 / 13卷 / 1-3期

关键词：

D O I：

10.1016/0925-4005(93)85362-E

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

On the basis of a metal/insulator/metal (MIM) device using electroinactive polypyrrole (PPy) film as an insulator, an amperometric pH sensor device for a very small test solution (4 mul) was developed using the structure of Au/PPy/Au with a window hole. Electropolymerized thin PPy film formed from alkaline solution is used for the ion-selective membrane. The Au/PPy/Au device with a d.c. voltage supply from 0 to 0.2 V works well as an amperometric pH sensor, that is, the gradient of the Cottrell plot within 10 s corresponds exactly to the pH value.

引用

页码：205 / 208

页数：4

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