Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Coordination-based gold nanoparticle layers.

Meni Wanunu1, Ronit Popovitz-Biro, Hagai Cohen

  • 1Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot 76100, Israel.

Journal of the American Chemical Society
|June 23, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ligno-Suberized Fruit Periderm as a Mechanically Reinforced Biomacromolecular Composite.

Biomacromolecules·2026
Same author

High-Rate Fingerprinting of Protein Isoforms by Quasi-regulated Enzyme-free Transport Through CytK Nanopores.

Research square·2026
Same author

RNA-DNA Fusomer Fibers With Customizable Physicochemical, Mechanical, and Biological Properties for Next-Generation Therapeutics.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

NanoCortex: A Unified Agentic System for Nanopore Sequencing Analysis.

bioRxiv : the preprint server for biology·2026
Same author

Selective Narrowing of the Bonding Modes of Plasmonic Nanoantennas.

ACS applied materials & interfaces·2026
Same author

Multimodal profiling reveals cell type-specific pseudouridine modification and density-dependent translational regulation.

Nucleic acids research·2026
Same journal

Switching Site Selectivity in Alkoxyamine Hydration: From Lone-Pair Direction to Solvent Network Dominance.

Journal of the American Chemical Society·2026
Same journal

A Topotactic Leap: 2D Layers to 3D Large-Pore Zeolite.

Journal of the American Chemical Society·2026
Same journal

Enhanced Hydrogen Evolution over Single-Atom Catalysts via Electrostatic Polarization in Contact-electro-catalysis.

Journal of the American Chemical Society·2026
Same journal

Tumor Acidity-Activatable Ionizable Lipid Nanoparticles for Selective Oncolytic Therapy.

Journal of the American Chemical Society·2026
Same journal

Alternating Magnetic Field Promotes Ammonia Cracking by Disrupting the Sabatier Limitation of Ruthenium Catalytic Species.

Journal of the American Chemical Society·2026
Same journal

Bulk Ferromagnetic Icosahedral Quasicrystals without Rapid Quenching.

Journal of the American Chemical Society·2026
See all related articles

Researchers used coordination chemistry to build gold nanoparticle (NP) layers on gold surfaces. This method allows for precise, step-by-step assembly of complex nanostructures with tunable properties.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Surface Chemistry

Background:

  • Developing controlled methods for assembling nanostructures is crucial for advanced materials.
  • Gold nanoparticles (Au NPs) offer unique optical and electronic properties.
  • Coordination chemistry provides a versatile platform for molecular assembly.

Purpose of the Study:

  • To construct gold nanoparticle (NP) mono- and multilayers on gold surfaces using coordination chemistry.
  • To investigate the assembly process and structural characteristics of these NP layers.
  • To explore the potential of this method for creating complex nanostructures with specific functionalities.

Main Methods:

  • Modification of hydrophilic Au NPs with bishydroxamic acid disulfide ligands.

Related Experiment Videos

  • Assembly of ligand-modified Au NPs onto a gold substrate using Zr4+ ions.
  • Layer-by-layer construction of NP multilayers through alternate binding of ions and NPs.
  • Characterization using atomic force microscopy (AFM), ellipsometry, UV-vis spectroscopy, and transmission electron microscopy (TEM).
  • Electrical characterization using conductive AFM.

    • Main Results:

    • Regular growth of NP layers with consistent NP density and increasing roughness was observed.
    • Successful introduction of nanometer-scale vertical spacing using a coordination-based organic multilayer.
    • Electrical characterization revealed barrier properties of the organic spacer multilayer.
    • Demonstrated precise control over the assembly of composite nanostructures.

    Conclusions:

    • Coordination chemistry is a powerful tool for the step-by-step assembly of elaborate nanostructures.
    • This approach enables the creation of highly controlled composite nanostructures comprising molecules and nanoparticles.
    • The developed method holds potential for fabricating advanced functional nanomaterials.