Inkjet printing of polymer functionalized CNT gas sensor with enhanced sensing properties

被引：82

作者：

Alshammari, Abdullah S. ^{[1
,2
]}

Alenezi, Mohammad R. ^{[2
,3
]}

Lai, K. T. ^{[2
]}

Silva, S. R. P. ^{[2
]}

机构：

[1] Univ Hail, Coll Sci, Dept Phys, POB 2440, Hail, Saudi Arabia

[2] Univ Surrey, Fac Engn & Phys Sci, Adv Technol Inst, Guildford GU2 7XH, Surrey, England

[3] PAAET, Coll Technol Studies, Dept Elect, POB 42325, Shuwaikh, Kuwait

来源：

MATERIALS LETTERS | 2017年 / 189卷

关键词：

Carbon nanotubes; Polymers; Nanocomposites; Sensors; CARBON NANOTUBES; FILM;

D O I：

10.1016/j.matlet.2016.11.033

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

We report on fully inkjet printed carbon nanotubes gas sensors on flexible substrates with improved ethanol sensing characteristics. The sensors were fabricated via two simple steps: printing the electrodes and the carbon nanotubes based - active layer. Carbon nanotubes were functionalized with carboxylic acid (COOH) and poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS). The performance analysis shows a significant enhancement in the sensitivity of the sensor with polymer wrapped nanotubes in comparison with the oxidized nanotubes, with enhancement factors greater than 2.5. Moreover, a remarkable improvement in the sensor response and recovery times after polymer functionalization is noted which bodes well for fully printable environmental sensors on flexible plastic circuits. (C) 2017 Published by Elsevier B.V.

引用

页码：299 / 302

页数：4

共 19 条

[1]

Inkjet printed PEDOT:PSS/MWCNT nano-composites with aligned carbon nanotubes and enhanced conductivity [J].