Core–shell Au@(TiO2, SiO2) nanoparticles with tunable morphology

A novel approach based on the Sto¨ ber method allows breaking of the symmetry of core–shell systems based on metallic core and metal oxide shell. By adjusting the proportion of the TiO2 precursor with regard to the silica precursor, different morphologies of the particles have been obtained displaci...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2010-01, Vol.46 (25), p.4544-4546
Main Authors: Lekeufack, D. Djoumessi, Brioude, A., Mouti, A., Alauzun, J. G., Stadelmann, P., Coleman, A. W., Miele, P.
Format: Article
Language:English
Subjects:
Chemical Sciences
Condensed Matter
Engineering Sciences
Inorganic chemistry
Material chemistry
Materials
Materials Science
Micro and nanotechnologies
Microelectronics
Physics
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Summary:A novel approach based on the Sto¨ ber method allows breaking of the symmetry of core–shell systems based on metallic core and metal oxide shell. By adjusting the proportion of the TiO2 precursor with regard to the silica precursor, different morphologies of the particles have been obtained displacing the gold particle from center to eccentric positions leading to acorn-like and raspberry-like structure.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc00935k