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Updated: Jun 12, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

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Core-shell Au@(TiO(2), SiO(2)) nanoparticles with tunable morphology.

D Djoumessi Lekeufack1, A Brioude, A Mouti

  • 1Laboratoire des Multimatériaux et Interfaces (UMR CNRS 5615), Université Lyon 1, Université de Lyon, 43 Bd du 11 Novembre 1918, Villeurbanne Cedex, France.

Chemical Communications (Cambridge, England)
|May 21, 2010
PubMed
Summary
This summary is machine-generated.

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Researchers developed a new method to create asymmetric core-shell nanoparticles. By controlling precursor ratios, they achieved unique acorn-like and raspberry-like structures with displaced cores.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Inorganic Chemistry

Background:

  • Core-shell nanoparticles offer tunable properties for various applications.
  • Achieving controlled asymmetry in core-shell structures remains a synthetic challenge.

Purpose of the Study:

  • To develop a novel method for breaking the symmetry of metallic core/metal oxide shell nanoparticles.
  • To control the morphology and internal structure of these core-shell systems.

Main Methods:

  • Utilized a modified Stöber method for nanoparticle synthesis.
  • Varied the ratio of titanium dioxide (TiO2) precursor to silica precursor.
  • Investigated the effect of precursor ratios on particle morphology.

Main Results:

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Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks
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Last Updated: Jun 12, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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Published on: March 2, 2016

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  • Successfully broke the symmetry of gold core/metal oxide shell nanoparticles.
  • Achieved eccentric positioning of the gold core within the shell.
  • Generated distinct morphologies, including acorn-like and raspberry-like structures.

Conclusions:

  • The modified Stöber approach provides a versatile route to asymmetric core-shell nanoparticles.
  • Precursor ratio is a critical parameter for controlling nanoparticle morphology and core displacement.
  • The developed method enables the synthesis of novel nanostructures with potential applications in catalysis and sensing.