Spontaneous coating of carbon nanotubes with an ultrathin polypyrrole layer

Martin Pumera; Břetislav Šmíd; Peng Xinsheng; Dmitri Golberg; Tang Jie; Izumi Ichinose

doi:10.1002/chem.200700211

Spontaneous coating of carbon nanotubes with an ultrathin polypyrrole layer

Martin Pumera, Břetislav Šmíd, Peng Xinsheng, Dmitri Golberg, Tang Jie, Izumi Ichinose

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

A novel protocol for precisely coating individual multiwall carbon nanotubes (MWCNTs) with an ultrathin layer of polypyrrole was developed. The nanocoated MWCNTs were successfully prepared by in situ chemical deposition of polypyrrole in an aqueous suspension of MWCNTs. The coating layer was very uniform and the thickness of the layer was determined by controlling the monomer concentration used, which gave nanometer precision. The products were characterized by transmission electron microscopy, scanning electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, electron energy loss spectroscopy, and conductivity and current-voltage measurements. The ultrathin polypyrrole layer could electrically insulate individual MWCNTs.

Original language	English
Pages (from-to)	7644-7649
Number of pages	6
Journal	Chemistry - A European Journal
Volume	13
Issue number	27
DOIs	https://doi.org/10.1002/chem.200700211
Publication status	Published - 2007

All Science Journal Classification (ASJC) codes

Catalysis
Organic Chemistry

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10.1002/chem.200700211

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abstract = "A novel protocol for precisely coating individual multiwall carbon nanotubes (MWCNTs) with an ultrathin layer of polypyrrole was developed. The nanocoated MWCNTs were successfully prepared by in situ chemical deposition of polypyrrole in an aqueous suspension of MWCNTs. The coating layer was very uniform and the thickness of the layer was determined by controlling the monomer concentration used, which gave nanometer precision. The products were characterized by transmission electron microscopy, scanning electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, electron energy loss spectroscopy, and conductivity and current-voltage measurements. The ultrathin polypyrrole layer could electrically insulate individual MWCNTs.",

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AU - Pumera, Martin

AU - Šmíd, Břetislav

AU - Xinsheng, Peng

AU - Golberg, Dmitri

AU - Jie, Tang

AU - Ichinose, Izumi

PY - 2007

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