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 Video

Updated: Jun 4, 2026

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

Note: Production of sharp gold tips with high surface quality.

Max Eisele1, Michael Krüger, Markus Schenk

  • 1Max-Planck-Institut für Quantenoptik, Garching, Germany.

The Review of Scientific Instruments
|March 3, 2011
PubMed
Summary

Researchers developed a straightforward electrochemical etching method using potassium chloride to create sharp gold tips. These tips exhibit high surface quality, with radii of 20-40 nm, suitable for advanced microscopy and scattering techniques.

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

A new species of <i>Microeledone</i> from Galápagos Islands and an amended diagnosis of the Megaleledonidae (Octopoda: Incirrata).

Zootaxa·2026
Same author

Two-color harmonic spectroscopy of ultrafast Dirac electron dynamics.

Nature communications·2026
Same author

Noise suppression in gain-managed nonlinear amplifiers.

Optics letters·2026
Same author

Probing Broken Time-Reversal Symmetry in 2D Materials with Tailored-Light Photocurrent Generation.

ACS nano·2026
Same author

Cross-Process Interference in Single-Cycle Electron Emission from Metal Needle Tips.

Physical review letters·2026
Same author

Recurrent sterile endophthalmitis following intravitreal Faricimab: A case report.

Retinal cases & brief reports·2026

Area of Science:

  • Materials Science
  • Surface Science
  • Nanotechnology

Background:

  • High-quality sharp tips are crucial for various surface analysis techniques.
  • Existing methods for producing gold tips can be complex or yield suboptimal surface quality.

Purpose of the Study:

  • To develop a simple and effective method for fabricating sharp gold tips.
  • To characterize the geometric and surface properties of the produced tips.
  • To assess the suitability of these tips for specific applications.

Main Methods:

  • Electrochemical etching of gold.
  • Utilizing potassium chloride as the etchant.
  • Characterization of tip radius and surface roughness using electron microscopy and atomic force microscopy (AFM).

More Related Videos

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

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold
05:28

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold

Published on: February 10, 2023

Related Experiment Videos

Last Updated: Jun 4, 2026

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

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold
05:28

Versatile Technique to Produce a Hierarchical Design in Nanoporous Gold

Published on: February 10, 2023

Main Results:

  • Successfully produced gold tips with radii of curvature between 20-40 nm.
  • Achieved excellent surface quality with roughness measured at less than 0.8 nm.
  • Demonstrated the feasibility of the method for producing high-quality tips.

Conclusions:

  • The presented electrochemical etching method offers a simple and reliable way to fabricate sharp gold tips.
  • The produced tips possess excellent surface quality and defined radii, making them suitable for demanding applications.
  • These gold tips are well-suited for field emission, field ion microscopy, tip-enhanced Raman scattering (TERS), and tip-enhanced near-field imaging.