An inkjet-printed chemical fuse

被引：42

作者：

Mabrook, MF

Pearson, C

Petty, MC

机构：

[1] Univ Durham, Sch Engn, Durham DH1 3LE, England

[2] Univ Durham, Ctr Mol & Nanoscale Elect, Durham DH1 3LE, England

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 01期

关键词：

D O I：

10.1063/1.1846950

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Inkjet printing of the conductive polymer poly(3,4-ethylene dioxythiophene) doped with polystyrene sulfonated acid has been used as the basis for a sensor for organic vapors. The electrical resistance of the film was monitored as it was exposed to atmospheres containing alcohol. Ultrathin films exhibited a sharp and nonreversible increase in their resistance. This resulted from a change in the morphology of the organic layer, thereby disrupting the current flow through the polymer. An intended application for these inkjet-printed devices is in disposable handheld instruments to monitor the presence of organic vapors above a threshold level. (C) 2005 American Institute of Physics.

引用

收藏

页码：013507 / 1

页数：3

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