Carbon nanotube based sensors and fluctuation enhanced sensing

被引：5

作者：

Kukovecz, Akos ^{[1
]}

Molnar, Daniel ^{[2
]}

Kordas, Krisztian ^{[3
]}

Gingl, Zoltan ^{[4
]}

Moilanen, Hannu ^{[5
]}

Mingesz, Robert ^{[4
]}

Konya, Zoltan ^{[1
]}

Maklin, Jani ^{[3
]}

Halonen, Niina ^{[3
]}

Toth, Geza ^{[3
]}

Haspel, Henrik ^{[1
]}

Heszler, Perer ^{[2
]}

Mohl, Melinda ^{[1
]}

Sapi, Andras ^{[1
]}

Roth, Siegmar ^{[6
]}

Vajtai, Robert ^{[7
]}

Ajayan, Pulickel M. ^{[7
]}

Pouillon, Yann ^{[8
]}

Rubio, Angel ^{[8
]}

Kiricsi, Imre ^{[1
]}

机构：

[1] Univ Szeged, Dept Appl & Environm Chem, Rerrich B Ter 1, H-6720 Szeged, Hungary

[2] Univ Szeged, Hungarian Acad Sci, Res Grp Laser Phys, H-6701 Szeged, Hungary

[3] Oulu Univ, EMPART Res Grp Infotech Oulu, Microelect & Mat Phys, FI-90014 Oulu, Finland

[4] Univ Szeged, Dept Expt Phys, H-6720 Szeged, Hungary

[5] Laserprobe LP Ltd, FI-90800 Oulu, Finland

[6] Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany

[7] Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77251 USA

[8] Univ Basque Country, ETSF Scientif Dev Ctr, Dipartimento Fis Mat, Nano Bio Spectroscopy, E-20018 San Sebastian, Spain

来源：

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 7 NO 3-4 | 2010年 / 7卷 / 3-4期

基金：

芬兰科学院; 匈牙利科学研究基金会;

关键词：

GAS SENSORS;

D O I：

10.1002/pssc.200982973

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：

Drop-cast thin films of multi-walled carbon nanotubes are used as gas sensors in a four-probe measurement setup. The novelty of the approach is that the sensor information is extracted from the noise of the de resistance data using Fluctuation Enhanced Sensing (FES). We investigate the effects of measurement duration, gate voltage and frequency window on the chemical selectivity of the MWCNT-FES sensor. The selectivity of the device is superior to those of conventional gas sensors, and preliminary experiments indicate that it may also be possible to extract quantitative information from the noise. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1217 / 1221

页数：5

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