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Related Experiment Video

Updated: May 29, 2026

Gold Nanoparticle Synthesis
13:42

Gold Nanoparticle Synthesis

Published on: July 10, 2021

Novel, highly selective gold nanoparticle patterning on surfaces using pure water.

Muhammad Akram Raza1, E Stefan Kooij, Arend van Silfhout

  • 1Physics of Interfaces and Nanomaterials, MESA+ Institute for Nanotechnology, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands.

Journal of Colloid and Interface Science
|September 28, 2011
PubMed
Summary

Pure water selectively deposits gold nanoparticles, creating patterns on surfaces. Water molecules act as a reversible capping layer, controlling nanoparticle binding for precise surface patterning.

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Area of Science:

  • Nanotechnology
  • Surface Chemistry
  • Materials Science

Background:

  • Precise patterning of nanoparticles is crucial for advanced electronic and optical devices.
  • Existing methods for nanoparticle deposition often involve complex chemicals or multiple steps.

Purpose of the Study:

  • To develop a simple, novel, and selective method for depositing gold nanoparticles using only pure water.
  • To investigate the mechanism by which water influences nanoparticle adhesion on thiol-modified surfaces.

Main Methods:

  • Utilizing pure water as a medium for selective gold nanoparticle deposition.
  • Employing mercaptan self-assembled monolayers on oxide surfaces.
  • Investigating the role of water molecules in forming a reversible capping layer on thiol groups.

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Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting
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Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting

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Last Updated: May 29, 2026

Gold Nanoparticle Synthesis
13:42

Gold Nanoparticle Synthesis

Published on: July 10, 2021

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies
13:02

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Published on: July 15, 2013

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting
05:51

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting

Published on: February 26, 2019

Main Results:

  • Achieved highly selective patterning of gold nanoparticle monolayers on both flat and microstructured oxide surfaces.
  • Demonstrated that water molecules reversibly cap thiol groups, inhibiting gold nanoparticle binding.
  • Established water's role as a key component in controlling nanoparticle adhesion and surface patterning.

Conclusions:

  • Pure water offers a simple and effective tool for selective gold nanoparticle patterning.
  • The water capping mechanism provides a novel approach for fabricating functionalized surfaces.
  • This technique has potential applications in microelectronics, sensors, and catalysis.