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Updated: Sep 1, 2025

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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Site-selective modification of metallic nanoparticles.

Khoi Nguyen L Hoang1, Sophia M McClain1, Sean M Meyer1

  • 1Department of Chemistry, University of Illinois Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois, 61801, USA. murphycj@illinois.edu.

Chemical Communications (Cambridge, England)
|August 17, 2022
PubMed
Summary

Chemists are developing methods to precisely modify nanoparticle surfaces, creating tailored nanomaterials. This research explores techniques for site-selective functionalization, leading to advanced materials for diverse applications.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Surface Chemistry

Background:

  • Surface patterning of inorganic nanoparticles offers a route to novel nanomaterials.
  • Tailored nanoparticle properties are crucial for applications in biology, catalysis, and electronics.
  • Understanding regioselective surface functionalization is vital for controlling nanoparticle behavior.

Purpose of the Study:

  • To review methods for site-selective surface modification of colloidal nanoparticles.
  • To discuss the creation of Janus particles and mixed-ligand shells.
  • To explore directed growth of materials onto nanoparticle templates.

Main Methods:

  • Selective functionalization using mixed-ligand shells.
  • Spatially controlled deposition of inorganic materials.

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  • Characterization techniques for regiospecific surface coatings.

    • Main Results:

    • Successful synthesis of Janus nanoparticles and patchy/stripey mixed-ligand shells.
    • Directed growth of mesoporous oxides and metals on nanoparticle templates.
    • Evaluation of advantages and limitations of various characterization techniques.

    Conclusions:

    • Site-selective surface functionalization enables precise control over nanoparticle properties.
    • Advanced characterization methods are crucial for validating regioselective modifications.
    • Future research should focus on improving techniques and exploring new applications.