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 Concept Videos

Semiconductors01:22

Semiconductors

There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
Electrical Transport01:29

Electrical Transport

The electrical transport property of a material is defined by its resistance and conductivity. Resistance is the measure of a material's ability to resist the flow of electric current, while conductivity gauges its ability to allow the current to pass through, depending on the geometry of the measurement cell, such as electrode spacing and area. Conductivity is measured in Siemens (S). There are different types of conductance, including specific conductance, equivalent conductance, and molar...
Carrier Transport01:21

Carrier Transport

The generation of electrical current in semiconductors is fundamentally driven by two mechanisms: drift and diffusion. These processes are essential for the functionality and performance of semiconductor-based devices.
Drift Current:
The drift of charge carriers is started by an external electric field (E). Charged particles, such as electrons and holes, experience an acceleration between collisions with lattice atoms. For electrons, this results in a drift velocity (vd) given by:
Electrical Synapses01:28

Electrical Synapses

Electrical synapses found in all nervous systems play important and unique roles. In these synapses, the presynaptic and postsynaptic membranes are very close together (3.5 nm) and are actually physically connected by channel proteins forming gap junctions.
Gap junctions allow the current to pass directly from one cell to the next. In contrast, in the chemical synapse, the neurotransmitters carry the information through the synaptic cleft from one neuron to the next. They consist of two...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Synergistic Solvent-Surface Interactions Enable Alkyne Semihydrogenation at Palladium.

ACS applied materials & interfaces·2026
Same author

An Atomic Layer Etching (ALE)-Inspired Synthetic Protocol and Rapid Screening Process for ZnO Etching with β-Diketone Reagents.

Inorganic chemistry·2026
Same author

Facet-Engineered Cu Nanoflake Electrocatalysts for Efficient Nitrate-to-Ammonia Conversion.

ACS applied materials & interfaces·2026
Same author

Designing multi-site charge-bifurcation networks in <i>de novo</i> proteins: a kinetic, statistical, and machine-learning approach.

Physical chemistry chemical physics : PCCP·2026
Same author

Hydroxy-substituted electron deficient Pd porphyrin cofactors illuminate ultrafast proton transfer reactions.

Journal of inorganic biochemistry·2025
Same author

Temperature Invariant, Nearly Zero Temperature Coefficient of Resistivity in Si-Doped Titanium Nitrides.

Advanced materials (Deerfield Beach, Fla.)·2025

Related Experiment Video

Updated: Jun 16, 2026

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
09:00

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Plasmon-induced electrical conduction in molecular devices.

Parag Banerjee1, David Conklin, Sanjini Nanayakkara

  • 1Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA.

ACS Nano
|January 26, 2010
PubMed
Summary

Researchers demonstrate that coupled metal nanoparticles (NPs) can control electrical properties. By using conjugated wires, they tuned photoconductivity independently of optical characteristics for optoelectronics.

More Related Videos

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Related Experiment Videos

Last Updated: Jun 16, 2026

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
09:00

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Area of Science:

  • Nanotechnology and Materials Science
  • Optoelectronics
  • Physical Chemistry

Background:

  • Metal nanoparticles (NPs) exhibit surface plasmons (SPs) when interacting with electromagnetic waves.
  • Coupling of SPs between closely spaced NPs creates intense electromagnetic fields, acting as optical antennae.
  • Molecules bridging NPs can be influenced by these plasmonic interactions.

Purpose of the Study:

  • To investigate the control of electrical properties in metal NPs using plasmon coupling.
  • To demonstrate the use of conjugated molecular wires to link NP arrays.
  • To explore the independent tuning of photoconductivity and optical characteristics.

Main Methods:

  • Fabrication of gold NP arrays.
  • Interconnection of NP arrays using highly conjugated multiporphyrin chromophoric wires.
  • Measurement of photoconductivity in the interconnected NP systems.
  • Characterization of optical properties of the molecular wires and NP assemblies.

Main Results:

  • Demonstrated successful coupling of surface plasmons between gold NPs via molecular wires.
  • Achieved control over the electrical properties, specifically photoconductivity, of the NP assemblies.
  • Showed that the magnitude of photoconductivity could be tuned independently of the molecular wire's optical properties.

Conclusions:

  • Plasmon coupling through conjugated molecular wires offers a novel pathway to control electrical properties of nanomaterials.
  • This independent tuning capability has significant implications for the development of advanced nanoscale optoelectronic devices.
  • The findings open new avenues for designing functional nanomaterials with tailored optoelectronic responses.