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: May 10, 2026

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

Hierarchical nested-network nanostructure by dealloying.

Zhen Qi1, Jörg Weissmüller

  • 1Institute of Materials Physics, Hamburg University of Technology, Hamburg, Germany.

ACS Nano
|June 25, 2013
PubMed
Summary
This summary is machine-generated.

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

CAF-derived exosomes inhibit ferroptosis via GALNT14-mediated O-GalNAcylation of SLC7A11 in colorectal cancer.

Oncogene·2026
Same author

Case Report: early regression and bladder-intact survival after limited-course immunotherapy-based systemic therapy in two patients with clinically staged bulky muscle-invasive bladder cancer.

Frontiers in immunology·2026
Same author

Transition metal-coordinated metastable [MoS<sub>4</sub>]<sup>2-</sup> cluster for SO<sub>2</sub>-facilitated gaseous mercury adsorption from wet flue gas.

Journal of environmental sciences (China)·2026
Same author

An inflammatory-nutritional machine learning model for risk stratification of hospital-acquired pneumonia in traumatic brain injury: a multicenter study.

Frontiers in nutrition·2026
Same author

Environmental exposure to perfluorooctanoic acid promotes early gastric carcinogenesis via PPAR-γ-mediated ferroptosis.

Environment international·2026
Same author

Artificial intelligence in lung cancer: a bibliometric analysis of emerging trends and research hotspots.

Annals of medicine and surgery (2012)·2026

Researchers developed a novel electrochemical dealloying method to create hierarchical porous gold. This advanced material features interconnected nanoscale ligaments within larger networks, enhancing charge transport and surface area for functional material applications.

Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Hierarchical porous structures are crucial for advanced functional materials, offering tunable properties across different length scales.
  • Conflicting pore size requirements in material applications necessitate innovative structural designs.
  • Electrochemical dealloying is a promising technique for creating advanced porous materials.

Purpose of the Study:

  • To develop a novel electrochemical dealloying strategy for producing bulk porous gold with a hierarchical microstructure.
  • To investigate the formation mechanism of hierarchical porous gold.
  • To evaluate the functional properties, specifically charge transport and surface area, of the synthesized material.

Main Methods:

  • Utilizing an electrochemical dealloying process starting from a dilute solid solution of gold (Au) in silver (Ag).

More Related Videos

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
08:40

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

Published on: April 28, 2014

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
08:07

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Published on: June 18, 2013

Related Experiment Videos

Last Updated: May 10, 2026

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

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
08:40

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules

Published on: April 28, 2014

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
08:07

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Published on: June 18, 2013

  • Employing controlled electrochemical corrosion to form a nanoporous silver-gold (Ag-Au) alloy intermediate.
  • Implementing a coarsening step to create larger ligaments, followed by a secondary dealloying step to form nanoscale ligaments.

    • Main Results:

    • Successfully synthesized bulk porous gold with a hierarchical microstructure, featuring nanoscale ligaments within larger, geometrically similar networks.
    • Demonstrated that the hierarchical structure enhances charge transport kinetics.
    • Maintained a large specific surface area in the porous gold material.

    Conclusions:

    • The developed electrochemical dealloying strategy effectively produces hierarchical porous gold with tunable properties.
    • The hierarchical microstructure is key to achieving enhanced charge transport and high surface area.
    • This material holds significant potential for applications in catalysis, sensing, and energy storage.