FABRICATION AND CHARACTERIZATION OF A PLATINUM CERAMIC ELECTROCHEMICAL SENSOR

被引：11
作者：
TIEMAN, RS
IGO, DH
HEINEMAN, WR
JOHNSON, J
SEGUIN, R
机构：
[1] UNIV CINCINNATI,EDISON SENSOR TECHNOL CTR,BIOMED CHEM RES CTR,CINCINNATI,OH 45221
[2] UNIV CINCINNATI,DEPT CHEM,CINCINNATI,OH 45221
[3] YELLOW SPRINGS INSTRUMENTS CO INC,YELLOW SPRINGS,OH 45387
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 1991年 / 5卷 / 1-4期
关键词：
D O I：
10.1016/0925-4005(91)80231-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An electrochemical sensor has been fabricated by screen printing platinum electrodes onto a ceramic base material. The sensor code consists of three electrodes: a platinum auxiliary electrode, a platinum working electrode and a reference electrode made by depositing silver and then silver chloride onto a third platinum electrode. The resulting sensor, when immersed in a solution of K3Fe(CN)6/KCl and examined by cyclic voltammetry, possesses electrochemical characteristics similar to those of a commercial platinum disk electrode. The operable potential window of the sensor at various pH values is suitable to observe the redox characteristics of many analytes of interest. The platinum/ceramic sensor is also applicable to solid-state electrochemical measurements when coated with an ionically conductive polymer such as poly(ethylene oxide) doped with LiCF3SO3.
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页码：121 / 127
页数：7
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