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Facile synthesis of anisotropic Au@SiO2 core-shell nanostructures
Joseph S DuChene1, Renan P Almeida, W David Wei
1Department of Chemistry and Center for Nanostructured Electronic Materials, University of Florida, Gainesville, FL 32611, USA.
Dalton Transactions (Cambridge, England : 2003)
|May 3, 2012
Abstract:
Anisotropic Au@SiO(2) core-shell nanostructures have been fabricated from CTABr-stabilized Au nanoparticles with a facile synthesis involving a single growth solution. This procedure circumvents tedious surface modification steps and allows for the SiO(2) shell thickness to be tuned from 5 to 20 nm by modulating the nanoparticle number density and concentration of silica precursor.
