Nitrogen Dioxide and Acetone Sensors Based on Iron Oxide Nanoparticles

被引：1

作者：

Ivanco, Jan ^{[1
]}

Luby, Stefan ^{[2
]}

Rella, Roberto ^{[2
]}

Manera, Maria G. ^{[2
]}

Benkovicova, Monika ^{[1
]}

Jergel, Matej ^{[1
]}

Siffalovic, Peter ^{[1
]}

Vegso, Karol ^{[1
]}

Halahovets, Yuriy ^{[1
]}

Majkova, Eva ^{[1
]}

机构：

[1] Slovak Acad Sci, Inst Phys, Dubravska Cesta 9, Bratislava 84511, Slovakia

[2] IMM CNR, Inst Microelect & Microsyst, I-73100 Lecce, Italy

来源：

MATERIALS AND APPLICATIONS FOR SENSORS AND TRANSDUCERS III | 2014年 / 605卷

关键词：

Gas sensor; Chemiresistors; NO2; Acetone vapours; Nanoparticle arrays; LangmuirBlodgett films; LOW OPERATING TEMPERATURE; NANOSTRUCTURES;

D O I：

10.4028/www.scientific.net/KEM.605.318

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：

The Fe2O3 and CoFe2O4 nanoparticle-based Langmuir-Blodgett films for sensing of nitrogen dioxide (NO2) and acetone vapours have been explored. Both the sensitivity of the chemiresistors and dynamic properties, such as the response/recovery time, have been probed in dependence of the number of nanoparticle monolayers and working temperatures. The response of 23 at the NO2 concentration of 1 ppm has been monitored suggesting the pertinent sensitivity in the deep sub-ppm range, i.e. approaching the canine detection limit, and likewise implying the supposable detection of nitrate-based explosives.

引用

页码：318 / 321

页数：4

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