A Novel Circuit Model of Nanotechnology-Enabled Inkjet-Printed Gas Sensors Using Multi-Wall Carbon Nanotubes

被引：0

作者：

De Paolis, Rosa ^{[1
,2
,3
]}

Le, Taoran ^{[4
]}

Coccetti, Fabio ^{[1
,2
]}

Monti, Giuseppina ^{[3
]}

Tarricone, Luciano ^{[3
]}

Tentzeris, Manos M. ^{[4
]}

Plana, Robert ^{[1
,2
]}

机构：

[1] CNRS, LAAS, 7 Ave Colonel Roche, F-31077 Toulouse, France

[2] Univ Toulouse, UPS, INSA, INP,ISAE,LAAS, F-31077 Toulouse, France

[3] Univ Salento, I-73100 Lecce, Italy

[4] Georgia Inst Technol, Sch ECE, GEDC, Atlanta, GA 30332 USA

来源：

2013 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST (IMS) | 2013年

关键词：

Gas sensing; carbon nanotube; inkjet printing; equivalent circuit; nanotechnology;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a novel electrical model of multi-walled carbon-nanotube based gas sensors completely patterned using low-cost inkjet printing. The obtained results (validated through measurements from 50 MHz to 3 GHz) demonstrate that the nanostructure-based sensing mechanisms yields a quite evident shift of circuit resistive elements. A narrowband investigation of the resistive variation depending on gas concentration has been performed as well. The input impedance has been found to be significantly lower than that reported for metal oxide sensors, thus facilitating the integration in electronic circuitry. The suggested equivalent model can be exploited in the implementation of large-scale nanotechnology-enabled inkjet-printed modules.

引用

页数：4

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