Flexible, plastic transistor-based chemical sensors

被引：80

作者：

Roberts, Mark E. ^{[1
]}

Mannsfeld, Stefan C. B. ^{[1
]}

Stoltenberg, Randall M. ^{[1
]}

Bao, Zhenan ^{[1
]}

机构：

[1] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA

来源：

ORGANIC ELECTRONICS | 2009年 / 10卷 / 03期

关键词：

Organic transistor; Sensor; Flexible; Patterning; THIN-FILM TRANSISTORS; FIELD-EFFECT TRANSISTORS; LARGE-AREA; BIOLOGICAL SENSORS; CIRCUITS; MATRIX; MICROSTRUCTURE; DERIVATIVES; ELECTRONICS; INTERFACES;

D O I：

10.1016/j.orgel.2008.12.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Flexible, plastic chemical sensors were fabricated using a thin polymer gate dielectric layer and polymer electrodes patterned via selective wetting directly on the surface of the organic semiconductor film. Low-voltage transistors based on DDFTTF with PEDOT:PSS electrodes had a mobility as high as 0.05 cm(2)/Vs with an on-off ratio of 1.2 x 10(4) on ITO/PET substrates. These devices demonstrated stable operation in water with sensor characteristics similar to those reported on rigid silicon substrates, with sub-ppm detection for cysteine and 2,4,6-trinitrobenzene (TNB). (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：377 / 383

页数：7

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