Potentiometric pH sensors based on electrodeposited polymers

被引：64

作者：

Lakard, B ^{[1
]}

Herlem, G ^{[1
]}

Lakard, S ^{[1
]}

Guyetant, R ^{[1
]}

Fahys, B ^{[1
]}

机构：

[1] Univ Franche Comte, LCMI, F-25030 Besancon, France

来源：

POLYMER | 2005年 / 46卷 / 26期

关键词：

electrochemical polymerization; surface modification; potentiometric pH sensors;

D O I：

10.1016/j.polymer.2005.10.095

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Five potentiometric pH sensors based on thin polymer films, obtained from electropolymerization of their respective monomers: 1,3-diaminopropane, diethylenetriamine, pyrrole, p-phenylenediamine and aniline, were compared. All these molecules have been chosen since they contain amino groups, which are sensitive to proton concentration changes. The resulting sensors consist in a polymer-coated smooth platinum wire protruded from glass sheath. Their potentiometric responses appeared linear in the range from pH 2 to 11. These electrodes present also a good reversibility and a good stability in time over a period of 1 month. The response mechanisms are also examined. (c) 2005 Elsevier Ltd. All rights reserved.

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收藏

页码：12233 / 12239

页数：7

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