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

Scanning tunneling spectroscopy in an ionic liquid.

Tim Albrecht1, Kasper Moth-Poulsen, Jørn B Christensen

  • 1Department of Chemistry, Nano.DTU, Technical University of Denmark, Building 207, 2800 Kongens Lyngby, Denmark.

Journal of the American Chemical Society
|May 18, 2006
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

Bidirectional Photoswitching of a Tailored Azobenzene with Red and Far-Red Light Involving Triplet Sensitization in an Aqueous System.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Aerobic extracellular electron transfer in Shewanella spp.

Bioresource technology·2026
Same author

Photoswitching behaviour of quinoline-substituted bicyclooctadienes and the role of protonation.

Physical chemistry chemical physics : PCCP·2026
Same author

A Modified Methyl Transferase Cofactor to Selectively Silence Gene Expression in Escherichia coli.

Chembiochem : a European journal of chemical biology·2026
Same author

Probing Ultrastrong Through-Space Electronic Coupling in Donor-Acceptor Systems at the Single-Molecule Level.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

"Innocent" Hexafluorophosphate Salts Induce Capacity Fade in Nonaqueous Redox Flow Batteries.

ACS applied energy materials·2025
Same journal

Gas-Responsive Metal-Organic Frameworks for Adaptive Thermal Energy Storage with Tunable Charge-Discharge Temperatures.

Journal of the American Chemical Society·2026
Same journal

Engineering a Thiamine-Dependent Benzoylformate Decarboxylase for Stereodivergent Radical C(sp<sup>3</sup>)-C(sp<sup>3</sup>) Bond Formation.

Journal of the American Chemical Society·2026
Same journal

Accelerated Directional Proton-Coupled Electron Transfer Enabled by Intrinsic Dipole Field in Biomimetic α-Helical Structure.

Journal of the American Chemical Society·2026
Same journal

Alternating Current-Driven Hydrogen Isotope Labeling of Aliphatic Amines Using 1,3-Propanedithiol as an Efficient Hydrogen Atom Transfer Reagent.

Journal of the American Chemical Society·2026
Same journal

Two-Dimensional van der Waals Polar Metal MoOBr<sub>2</sub>.

Journal of the American Chemical Society·2026
Same journal

Negatively Curved Chiral Bilayer Nanographene.

Journal of the American Chemical Society·2026
See all related articles

Ionic liquids enable room-temperature molecular electronics by acting as electrochemical gates in scanning tunneling microscopy. This overcomes limitations of aqueous electrolytes, paving the way for stable, solid-state molecular devices.

Area of Science:

  • Molecular electronics
  • Nanotechnology
  • Electrochemistry

Background:

  • Molecular redox states control tunneling currents for molecular device function.
  • Current room-temperature devices use aqueous electrochemical gating, but face volatility and stability issues.
  • Ionic liquids offer low vapor pressure and wide potential stability, making them promising alternatives.

Purpose of the Study:

  • To investigate the use of ionic liquids as electrochemical gates in scanning tunneling microscopy (STM) for molecular electronics.
  • To demonstrate room-temperature transistor and diode behavior in a redox-active molecule using ionic liquid gating.
  • To assess the potential of ionic liquids for advanced molecular electronic device applications.

Main Methods:

  • Utilized an ionic liquid, 1-butyl-3-methylimidazoliumhexafluorophosphate (BMI), as an electrochemical gate in an STM setup.

Related Experiment Videos

  • Employed a redox-active Os bisterpyridine complex (Ossac) as the active molecular component.
  • Performed proof-of-principle experiments to observe molecular electronic functions at room temperature.

    • Main Results:

    • Successfully demonstrated the use of BMI ionic liquid as an effective electrochemical gate in STM at room temperature.
    • Showcased transistor and diode functionalities of the Ossac complex within the ionic liquid environment.
    • Confirmed the low volatility and wide potential range advantages of ionic liquids for molecular gating.

    Conclusions:

    • Ionic liquids are a viable and advantageous medium for electrochemical gating in molecular electronics, particularly at room temperature.
    • This approach overcomes limitations of traditional aqueous electrolytes, enabling molecular devices in challenging conditions.
    • Represents a significant step towards developing robust, solid-state molecular electronic devices.