Journal
LANGMUIR
Volume 16, Issue 6, Pages 2731-2735Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la991212g
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Silver nanoparticles coated with a uniform, thin shell of titanium dioxide are synthesized via a remarkably simple one-pot route, where the reduction of Ag+ to Ag-0 and the controlled polymerization of TiO2 on the surface of silver crystallites take place simultaneously. The prepared dispersions of coated nanoparticles display a surface plasmon band, which is significantly red-shifted with respect to that of bare AK. High quality ultrathin films of the core-shell clusters are prepared via layer-by-layer assembly. The nanoparticles are arranged in closely packed layers interlaced with polyelectrolyte producing a stratified core-shell hybrid material with unique structure and catalytic and electron-transport properties.
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