Humidity sensors fabricated with polyelectrolyte membrane using an ink jet printing technique and their electrical properties

被引：33

作者：

Lee, CW

Nam, DH

Han, YS

Chung, KC

Gong, MS ^{[1
]}

机构：

[1] Dankook Univ, Dept Chem, Cheonan 330714, Chungnam, South Korea

[2] Ink Tec Co Ltd, Ansan 425839, Kyungki Do, South Korea

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2005年 / 109卷 / 02期

关键词：

ink-jet; printing; humidity sensor; ionene oligomer; polyionene; polyelectrolyte ink;

D O I：

10.1016/j.snb.2004.12.070

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Humidity-sensitive membranes made of ionene oligomer have been fabricated on the electrode substrate using a commercial drop-on-demand ink-jet printing system using a 15 mu m diameter nozzle driven by a piezoelectric device. After deposition and evaporation of the solvent, the humidity sensors have been cross-linked by heating. Their humidity-sensitive properties have been determined by using a thermostatic humidity chamber. Electrical measurements under various relative humidity were performed. The humidity-sensitive characteristics of sensors obtained by ink-jet printing technique were compared with that of dip-coating method. Humidity sensors showed a decrease in impedance as an increase of relative humidity and their impedance characteristics are in a close agreement. (C) 2005 Elsevier B.V All rights reserved.

引用

页码：334 / 340

页数：7

共 23 条

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