New sensitive layers for surface acoustic wave gas sensors based on polymer and carbon nanotube composites

I. Sayago; M. J. Fernández; J. L. Fontecha; M. C. Horrillo; C. Vera; I. Obieta; I. Bustero

doi:10.1016/j.snb.2011.12.031

New sensitive layers for surface acoustic wave gas sensors based on polymer and carbon nanotube composites

I. Sayago^*, M. J. Fernández, J. L. Fontecha, M. C. Horrillo, C. Vera, I. Obieta, I. Bustero

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

71 Citations (Scopus)

Abstract

Surface acoustic wave (SAW) gas sensors based on polymers and carbon nanotube composites as sensitive layers were investigated for the detection of low concentrations of volatile organic compounds as octane and toluene. Several nanocomposites based on polyepichlorohydrin (PECH) and polyetherurethane (PEUT) with different percentage of multiwalled carbon nanotubes (MWCNT) were tested to study the effect of MWCNTs in the response of sensors. The sensors exhibited at room temperature high response to volatile gases (toluene and octane) but did not detect other gases tested as H₂, NH₃, NO₂ and CO.

Original language	English
Pages (from-to)	67-72
Number of pages	6
Journal	Sensors and Actuators B: Chemical
Volume	175
DOIs	https://doi.org/10.1016/j.snb.2011.12.031
Publication status	Published - Dec 2012

Funding

This work has been supported by Spanish MEC Project ( NAN2004-09380-C04-02 ). The authors wish to thank Dr. C. Cané and Dr. I. Gràcia from the Centro Nacional de Microelectrónica IMB-CSIC for providing the micro-machined SAW substrates.

Funders	Funder number
Spanish MEC Project	NAN2004-09380-C04-02

Keywords

Carbon nanotubes
Composite
PECH
PEUT
SAW gas sensors
VOCs

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10.1016/j.snb.2011.12.031

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title = "New sensitive layers for surface acoustic wave gas sensors based on polymer and carbon nanotube composites",

abstract = "Surface acoustic wave (SAW) gas sensors based on polymers and carbon nanotube composites as sensitive layers were investigated for the detection of low concentrations of volatile organic compounds as octane and toluene. Several nanocomposites based on polyepichlorohydrin (PECH) and polyetherurethane (PEUT) with different percentage of multiwalled carbon nanotubes (MWCNT) were tested to study the effect of MWCNTs in the response of sensors. The sensors exhibited at room temperature high response to volatile gases (toluene and octane) but did not detect other gases tested as H2, NH3, NO2 and CO.",

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AU - Sayago, I.

AU - Fernández, M. J.

AU - Fontecha, J. L.

AU - Horrillo, M. C.

AU - Vera, C.

AU - Obieta, I.

AU - Bustero, I.

PY - 2012/12

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AB - Surface acoustic wave (SAW) gas sensors based on polymers and carbon nanotube composites as sensitive layers were investigated for the detection of low concentrations of volatile organic compounds as octane and toluene. Several nanocomposites based on polyepichlorohydrin (PECH) and polyetherurethane (PEUT) with different percentage of multiwalled carbon nanotubes (MWCNT) were tested to study the effect of MWCNTs in the response of sensors. The sensors exhibited at room temperature high response to volatile gases (toluene and octane) but did not detect other gases tested as H2, NH3, NO2 and CO.

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KW - Composite

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JO - Sensors and Actuators B: Chemical

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ER -

New sensitive layers for surface acoustic wave gas sensors based on polymer and carbon nanotube composites

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