Carbon Nanotube/Polyaniline Composite Nanofibers: Facile Synthesis and Chemosensors

Liao, Y, Zhang, C, Zhang, Y, Strong, V, Tang, J, Li, X, Kalantar Zadeh, K, Hoek, E, Wang, K and Kaner, R 2011, 'Carbon Nanotube/Polyaniline Composite Nanofibers: Facile Synthesis and Chemosensors', Nano Letters, vol. 11, no. 3, pp. 954-959.


Document type: Journal Article
Collection: Journal Articles

Title Carbon Nanotube/Polyaniline Composite Nanofibers: Facile Synthesis and Chemosensors
Author(s) Liao, Y
Zhang, C
Zhang, Y
Strong, V
Tang, J
Li, X
Kalantar Zadeh, K
Hoek, E
Wang, K
Kaner, R
Year 2011
Journal name Nano Letters
Volume number 11
Issue number 3
Start page 954
End page 959
Total pages 6
Publisher American Chemical Society
Abstract An initiator is applied to synthesize single-walled carbon nanotube/polyaniline composite nanofibers for use as high-performance chemosensors. The composite nanofibers possess widely tunable conductivities (10-4 to 102 S/cm) with up to 5.0 wt % single-walled carbon nanotube (SWCNT) loadings. Chemosensors fabricated from the composite nanofibers synthesized with a 1.0 wt % SWCNT loading respond much more rapidly to low concentrations (100 ppb) of HCl and NH3 vapors compared to polyaniline nanofibers alone (120 s vs 1000 s). These nanofibrillar SWCNT/polyaniline composite nanostructures are promising materials for use as low-cost disposable sensors and as electrodes due to their widely tunable conductivities.
Subject Materials Engineering not elsewhere classified
Keyword(s) Carbon nanotubes
conducting polymers
composite
nanofibers
chemosensors
DOI - identifier 10.1021/nl103322b
Copyright notice © 2011 American Chemical Society
ISSN 1530-6984
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