Effect of micro-electrode geometry on response of thin-film poly(pyrrole) and poly(aniline) chemoresistive sensors

被引：21

作者：

Ingleby, P ^{[1
]}

Gardner, JW

Bartlett, PN

机构：

[1] Univ Warwick, Sch Engn, Div Elect & Elect Engn, Coventry CV4 7AL, W Midlands, England

[2] Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1999年 / 57卷 / 1-3期

关键词：

polymer sensor; ethanol; diffusion reaction;

D O I：

10.1016/S0925-4005(99)00057-X

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The response of four different electrochemically prepared resistive conducting polymer sensors to ethanol vapour has been investigated. A theoretical model is developed relating the effect of the micro-electrode geometry on both the steady-state and transient responses. Our theory is compared with experimental results gathered when exposing the sensors to different concentrations of ethanol vapour in air at different relative humidities. The information gained from this comparison is finally used to determine the nature of the polymers using the diffusionbreaction case diagram originally proposed by Gardner et al. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：17 / 27

页数：11

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