Hydrogen Gas Sensor Based on Highly Ordered Polyaniline/Multiwall Carbon Nanotubes Composite

Arsat, R., He, X., Spizzirri, P., Shafiei, M., Arsat, M., & Wlodarski, W. (2011) Hydrogen Gas Sensor Based on Highly Ordered Polyaniline/Multiwall Carbon Nanotubes Composite. Sensor Letters, 9(2), pp. 940-943.

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In this work, the structural and gas sensing properties of an electropolymerized, polyaniline (PANI)/multiwall carbon nanotube (MWNT) composite based surface acoustic wave (SAW) sensor are reported. Thin films made of PANI nanofibers were deposited onto 36 lithium tantalate (LiTaO3) SAW transducers using electropolymerization and were subsequently dedoped. Scanning electron microscopy (SEM) revealed the compact growth of the composites which is much denser than that of PANI nanofibers. The PANI/MWNT composite based SAW sensor was then exposed to different concentrations of hydrogen (H2) gas at room temperature with a demonstrated electrical response.

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ID Code: 59277
Item Type: Journal Article
Refereed: Yes
Keywords: Polyaniline/multiwall carbon nanotube composite, Surface Acoustic Wave, H2 Sensor
DOI: 10.1166/sl.2011.1648
ISSN: 15461971
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > ANALYTICAL CHEMISTRY (030100) > Sensor Technology (Chemical aspects) (030107)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanomaterials (100708)
Copyright Owner: Copyright 2011 American Scientific Publishers.
Deposited On: 24 Apr 2013 06:53
Last Modified: 17 Jul 2013 09:45

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