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Biotemplate Synthesis of Ag Nanoparticles and Nanowires

Published online by Cambridge University Press:  21 March 2011

S. Behrens ,
E. Unger ,
J. Wu ,
W. Habicht  and
E. Dinjus
S. Behrens
Affiliation:
Institute for Technical Chemistry, Forschungszentrum Karlsruhe, Hermann-von-Helmholtz- Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
E. Unger
Affiliation:
Institute for Molecular Biotechnology, Beutenbergstrasse 11, 7708 Jena, Germany
J. Wu
Affiliation:
Institute for Technical Chemistry, Forschungszentrum Karlsruhe, Hermann-von-Helmholtz- Platz 1, 76344 Eggenstein-Leopoldshafen, Germany Department of Chemistry, Graduate School of Chinese Academy of Sciences, Beijing 100039, P. R. China
W. Habicht
Affiliation:
Institute for Technical Chemistry, Forschungszentrum Karlsruhe, Hermann-von-Helmholtz- Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
E. Dinjus
Affiliation:
Institute for Technical Chemistry, Forschungszentrum Karlsruhe, Hermann-von-Helmholtz- Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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Abstract

We address the template-directed deposition of metals on microtubule supports for generating metal nanostructures with different morphologies. Microtubules are highly ordered protein assemblies of tubular structure with a high aspect ratio. In this approach, the biostructure serves as a functionalised scaffold where the metal is generated in situ and shaped into a nanostructure with its morphology complementary to that of the biotemplate. When the biotemplate is coupled to an appropriate chemical reaction, different Ag / protein structures are produced, ranging from microtubules densely covered by small Ag nanoparticles to continuous Ag nanowires.

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References

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