Issue 8, 2005
From the journal:

Journal of Materials Chemistry

Fabrication of gold nanocrystal-coated polypyrrole nanotubules

Yonghong He,a   Jinying Yuan*a  and  Gaoquan Shi*a  

* Corresponding authors

a Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, People's Republic of China
E-mail: gshi@mail.tsinghua.edu.cn
Fax: +86 10 62771149

Abstract

A method of fabricating gold nanocrystals coated polypyrrole (PPy) tubules was developed by coating carboxylic acid–thiol-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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Article information

DOI
https://doi.org/10.1039/B414224A
Article type
Paper
Submitted
14 Sep 2004
Accepted
05 Nov 2004
First published
09 Dec 2004

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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