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Updated: Mar 23, 2026

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

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Published on: September 2, 2017

Gold Nanoparticle Monolayers with Tunable Optical and Electrical Properties.

Guang Yang^1,2, Longqian Hu³, Timothy D Keiper³

¹Aero-Propulsion, Mechatronics, and Energy Center, Florida State University , 2003 Levy Avenue, Tallahassee, Florida 32310, United States.

Langmuir : the ACS Journal of Surfaces and Colloids

|March 29, 2016

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Centimeter-scale gold nanoparticle (Au NP) films were fabricated using self-assembly. The drain-to-deposit method effectively transfers these films, enabling tunable spacing for advanced optical and electronic devices.

Area of Science:

Materials Science
Nanotechnology
Surface Chemistry

Background:

Fabricating large-scale, ordered nanoparticle films is crucial for advanced applications.
Controlling interparticle spacing is key to tuning film properties.

Purpose of the Study:

To develop a scalable method for fabricating centimeter-scale gold nanoparticle (Au NP) monolayer films.
To investigate the effect of interparticle spacing on film properties.
To demonstrate the utility of the drain-to-deposit technique for film transfer.

Main Methods:

Self-assembly of Au NPs at a water/organic solvent interface.
Utilizing alkylamine ligands of varying lengths to control interparticle spacing.
Employing the drain-to-deposit method for transferring films to solid substrates.

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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

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Last Updated: Mar 23, 2026

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

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Published on: September 2, 2017

Gold Nanoparticle Synthesis

Gold Nanoparticle Synthesis

Published on: July 10, 2021

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

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

Published on: May 9, 2014

Main Results:

Successfully fabricated centimeter-scale Au NP monolayer films.
Achieved tunable interparticle spacing from 1.4 to 3.1 nm.
Observed increased film ordering with longer alkylamine ligands.
Demonstrated exponential dependence of surface plasmon resonance and electrical conductivity on interparticle spacing.

Conclusions:

The drain-to-deposit method is highly effective for transferring Au NP films while preserving integrity.
Interparticle spacing significantly influences the optical and electrical properties of Au NP films.
Scalable manufacturing of high-performance optical and electronic devices using 2D metallic nanoparticle superlattices is feasible.