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Updated: Nov 19, 2025

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

Published on: September 2, 2017

Self-Assembly and Surface Patterning of Polyferrocenylsilane-Functionalized Gold Nanoparticles.

Rachelle M Choueiri¹, Anna Klinkova¹, Samuel Pearce²

¹Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario, M5S 3H6, Canada.

Macromolecular Rapid Communications

|November 17, 2017

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Researchers developed new methods for controlling nanoparticle self-assembly using polymer ligands. Electrochemical oxidation of polyferrocenylsilane ligands offers a novel way to tune nanoparticle interactions and create advanced materials.

Area of Science:

Materials Science
Nanotechnology
Polymer Chemistry

Background:

Nanoparticle (NP) functionalization with inorganic polymers enables advanced material design.
Metallopolymer ligands offer tunable properties for NP self-assembly and processing.

Purpose of the Study:

To explore new methods for inducing self-assembly and surface patterning in polymer-functionalized nanoparticles.
To investigate the use of polyferrocenylsilane ligands on gold nanoparticles for controlled assembly.

Main Methods:

Functionalizing gold nanoparticles with polyferrocenylsilane.
Inducing polymer ligand attraction via solvent composition changes.
Utilizing electrochemical oxidation of polyferrocenylsilane ligands as a trigger.

Keywords:

metallopolymer nanoparticles nanopatterning polyferrocenylsilane self-assembly

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Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

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Published on: September 2, 2017

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

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Published on: May 9, 2014

Antifouling Self-assembled Monolayers on Microelectrodes for Patterning Biomolecules

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Main Results:

Achieved controlled NP self-assembly and topographic surface patterning.
Demonstrated that solvent changes and electrochemical oxidation effectively control polymer-ligand interactions.
Identified accessible electrochemical potentials for triggering NP assembly.

Conclusions:

Expanded the range of polymer ligands and stimuli for NP assembly and patterning.
Electrochemical oxidation provides a versatile stimulus for NP self-assembly and surface modification.
This work opens avenues for designing novel NP-based materials with tailored architectures.