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 Videos

Gold-polyaniline composite. Part I. Moving electrochemical interface.

J Anthony Smith1, Mira Josowicz, Jirí Janata

  • 1Georgia Institute of Technology, School of Chemistry and Biochemistry, Atlanta, GA 30332-0400, USA.

Physical Chemistry Chemical Physics : PCCP
|November 19, 2005
PubMed
Summary

Researchers controlled gold nanocluster growth in polyaniline by leveraging its conducting/insulating switch and imine nitrogen complexation. Chronopotentiometric stripping revealed tunable size and distribution of gold clusters by adjusting experimental conditions.

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

Changes in the structure of mitochondrial processing peptidase driven by adaptation to anaerobiosis.

International journal of biological macromolecules·2026
Same author

Metallocene Voltammetric Reference Related to a Normal Hydrogen Electrode.

The journal of physical chemistry letters·2025
Same author

Molecular basis for the diversification of lincosamide biosynthesis by pyridoxal phosphate-dependent enzymes.

Nature chemistry·2024
Same author

Cysteamine Chemisorption at Mercury-Solution Interfaces in the Context of Redox and Microdissociation Equilibria.

Langmuir : the ACS journal of surfaces and colloids·2024
Same author

Structure-Function Analysis of the S-Glycosylation Reaction in the Biosynthesis of Lincosamide Antibiotics.

Angewandte Chemie (International ed. in English)·2023
Same author

TldD/TldE peptidases and N-deacetylases: A structurally unique yet ubiquitous protein family in the microbial metabolism.

Microbiological research·2022

Area of Science:

  • Electrochemistry
  • Materials Science
  • Nanotechnology

Background:

  • Polyaniline (PANI) exhibits a reversible transition between conducting and insulating states.
  • Imine nitrogens within polyaniline form stable complexes with chloroaurate anions.
  • Controlling nanocluster formation within polymer matrices is crucial for advanced materials.

Purpose of the Study:

  • To investigate the controlled growth of gold nanoclusters within a polyaniline matrix.
  • To understand the role of polyaniline's electrochemical properties in nanocluster formation.
  • To determine methods for controlling the size and distribution of gold nanoclusters.

Main Methods:

  • Chronopotentiometric stripping was the primary electrochemical technique employed.

Related Experiment Videos

  • Electrochemical interface dynamics at the Pt/Au/polyaniline/electrolyte junction were analyzed.
  • Experimental conditions were systematically varied to influence nanocluster characteristics.

    • Main Results:

    • The study demonstrated that polyaniline's conducting/insulating transition influences gold nanocluster growth.
    • Chronopotentiograms showed a dynamic shift in the electrochemical interface.
    • The size and size distribution of gold nanoclusters were successfully controlled by adjusting experimental parameters.

    Conclusions:

    • The electrochemical switching of polyaniline is key to controlled gold nanocluster synthesis.
    • The imine nitrogen-chloroaurate interaction facilitates nanocluster nucleation and growth.
    • This work provides a pathway for tailoring gold nanocluster properties for specific applications.