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J Colloid Interface Sci. 2007 Aug 15;312(2):506-12. Epub 2007 Mar 27.

Electrostatic assembly and growth of gold nanoparticles in cellulosic fibres.

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  • 1Chemistry Department, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.


Synthetic studies of nanocomposites containing gold nanoparticles attached onto wood or bacterial cellulosic fibres have been performed in situ in the presence of the fibres or by polyelectrolyte-assisted deposition. The optical properties of the final nanocomposites could be tailored not only by the starting Au nanoparticles characteristics but also by the preparative method associated to the type of cellulosic fibres used as the substrate. Thus, gold nanoparticles assembled or generated in situ within cellulosic fibres, are excellent components for long term optical and chemically stable nanocomposites, which appear particularly interesting for security paper applications.

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