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Issue 8, 2005
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Fabrication of gold nanocrystal-coated polypyrrole nanotubules

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Abstract

A method of fabricating gold nanocrystals coated polypyrrole (PPy) tubules was developed by coating carboxylic acidthiol-capped or citrate-reduced gold nanoparticles on polypyrrole tubule templates. Electrostatic interaction between gold nanoparticles and PPy tubules was used as a driving force for this assembly process. The gold nanoparticle coated PPy tubule can be applied as signal-enhancing cuvettes for Raman spectroscopic analysis of trace molecules. The Raman scattering of trace Rhodamine B on the Au nanoparticle-coated tubule was enhanced by a factor of 104–105.

Graphical abstract: Fabrication of gold nanocrystal-coated polypyrrole nanotubules

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Publication details

The article was received on 14 Sep 2004, accepted on 05 Nov 2004 and first published on 09 Dec 2004


Article type: Paper
DOI: 10.1039/B414224A
Citation: J. Mater. Chem., 2005,15, 859-862
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    Fabrication of gold nanocrystal-coated polypyrrole nanotubules

    Y. He, J. Yuan and G. Shi, J. Mater. Chem., 2005, 15, 859
    DOI: 10.1039/B414224A

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