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Updated: Apr 12, 2026

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Published on: July 15, 2013

Patterning technique for gold nanoparticles on substrates using a focused electron beam.

Takahiro Noriki¹, Shogo Abe¹, Kotaro Kajikawa²

¹Department of Materials Science and Engineering, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo, 135-8548, Japan.

Beilstein Journal of Nanotechnology

|May 16, 2015

Summary

We developed a new method to pattern gold nanoparticles using a chemical reaction and electron beam irradiation. This technique precisely arranges nanoparticles for plasmonic devices and other applications.

Keywords:

electron beam gold nanoparticle array

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Area of Science:

Materials Science
Nanotechnology
Surface Chemistry

Background:

Controlled arrangement of nanoparticles is crucial for advanced material applications.
Existing methods for nanoparticle patterning can be complex or lack precision.

Purpose of the Study:

To introduce a novel, precise patterning technique for gold nanoparticles on substrates.
To enable the fabrication of custom nanoparticle arrays for specific applications.

Main Methods:

A two-dimensional arrangement of gold nanoparticles on a substrate.
Selective fixation of nanoparticles using focused electron beam irradiation.
Removal of unfixed nanoparticles to create a pattern.

Main Results:

Successful creation of patterned gold nanoparticle arrays, including lines and area patterns.
Demonstration of precise control over nanoparticle placement on substrates.
The technique is versatile for various patterning requirements.

Conclusions:

The proposed technique offers a reliable method for fabricating ordered gold nanoparticle structures.
This approach has significant potential for the development of plasmonic devices.
Enables controlled placement of gold nanoparticles for diverse technological applications.