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Published in: Journal of Materials Science 17/2008

01-09-2008

Preparation of gold/polyaniline/multiwall carbon nanotube nanocomposites and application in ammonia gas detection

Authors: Qifei Chang, Kai Zhao, Xing Chen, Minqiang Li, Jinhuai Liu

Published in: Journal of Materials Science | Issue 17/2008

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Abstract

Composites of multiwall carbon nanotubes (MWNTs), polyaniline (PANI), and gold nanoparticles were prepared by one pot synthesis. Based on the interaction between aniline monomers and MWNTs, aniline molecules were adsorbed and polymerized on the surface of MWNTs. The nanocomposites were characterized by transmission electron microscopy (TEM), X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FT-IR), and X-ray photoemission spectroscopy (XPS). The sensors based on Au/PANI/MWNT nanocomposites were tested for on-line monitoring of ammonia gas. The results show that the as-prepared sensors have superior sensitivity, and good repeatability upon repeated exposure to ammonia gas.

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Metadata
Title
Preparation of gold/polyaniline/multiwall carbon nanotube nanocomposites and application in ammonia gas detection
Authors
Qifei Chang
Kai Zhao
Xing Chen
Minqiang Li
Jinhuai Liu
Publication date
01-09-2008
Publisher
Springer US
Published in
Journal of Materials Science / Issue 17/2008
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-008-2827-3

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