Preparation and characteristics of conducting polymer-coated multiwalled carbon nanotubes for a gas sensor | Zendy

Woo-Kyung Jang | Zendy; Jumi Yun | Zendy; HyungIl Kim | Zendy; YoungSeak Lee | Zendy

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Preparation and characteristics of conducting polymer-coated multiwalled carbon nanotubes for a gas sensor

Author(s) -

Woo-Kyung Jang,

Jumi Yun,

HyungIl Kim,

YoungSeak Lee

Publication year - 2011

Publication title -

carbon letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.38

H-Index - 18

eISSN - 2233-4998

pISSN - 1976-4251

DOI - 10.5714/cl.2011.12.3.162

Subject(s) - materials science , carbon nanotube , composite material , polymer , chemical engineering , nanotechnology , polymer science , engineering

Conducting polymer-coated multiwalled carbon nanotubes (MWCNTs) were prepared by template polymerization in order to enhance their gas sensitivity. This investigation of the conducting polymer phases that formed on the surface of the MWCNTs is based on field-emission scanning electron microscopy images. The thermal stability of the conduct - ing polymer-coated MWCNTs was significantly improved by the high thermal stability of MWCNTs. The synergistic effects of the conducting polymer-coated MWCNTs improve the gas-sensing properties. MWCNTs coated with polyaniline uniformly show outstanding improvement in gas sensitivity to NH3 due to the synergistic combination of efficient adsorp - tion of NH3 gas and variation in the conduction of electrons.

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