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Carbon nanofiber/polypyrrole nanocable as toxic gas sensor

Cited 95 time in Web of Science Cited 104 time in Scopus
Authors
Jang, Jyongsik; Bae, Joonwon
Issue Date
2007-06-27
Publisher
Elsevier
Citation
Sensors and Actuators B 122 (2007) 7–13
Keywords
Vapor deposition polymerizationCarbon nanofiberPolypyrroleCoaxial nanocableSensorToxic gas
Abstract
Carbon nanofiber (CNF)/polypyrrole (PPy) coaxial nanocables were successfully fabricated via one-step vapor deposition polymerization
(VDP), and their capability to perceive irritant gases such as ammonia (NH3) and hydrochloric acid (HCl) was systematically examined. The
Fourier transform infrared (FT-IR) spectra confirmed the formation of a PPy layer on the CNF surface. In addition, a transmission electron
microscopy (TEM) image represented the formation of an ultrathin and uniform PPy layer onto the surface of CNF. The thickness of the PPy layer
was conveniently controlled by varying the feeding amount of the corresponding monomer. The PPy-coated CNF exhibited an enhanced response
signal due to the presence of the thin and uniform conducting polymer layer, and their response was strongly dependent on the thickness of the
PPy layer.
ISSN
0925-4005
Language
English
URI
https://hdl.handle.net/10371/49101
DOI
https://doi.org/10.1016/j.snb.2006.05.002
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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