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

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Manipulating coupling between a single semiconductor quantum dot and single gold nanoparticle.

Daniel Ratchford1, Farbod Shafiei, Suenne Kim

  • 1Department of Physics, University of Texas at Austin, Austin, Texas 78712, United States.

Nano Letters
|February 2, 2011
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

Nonunitary Variational Quantum Eigensolver with the Localized Active Space Method and Cost Mitigation.

The journal of physical chemistry. A·2025
Same author

Polynomial Scaling Localized Active Space Unitary Selective Coupled Cluster Singles and Doubles.

Journal of chemical theory and computation·2025
Same author

Quantum dynamics of the temporary capture of light atoms by superfluid helium nanodroplets at very low collision energies (≈1-13 meV): the case of the hydrogen atom and its isotopes.

Physical chemistry chemical physics : PCCP·2025
Same author

Quantum Time Dynamics Mediated by the Yang-Baxter Equation and Artificial Neural Networks.

Journal of chemical theory and computation·2025
Same author

Building epsilon near zero materials from layered uniaxial metamaterials.

Optics express·2025
Same author

Correction to "The Localized Active Space Method with Unitary Selective Coupled Cluster".

Journal of chemical theory and computation·2025
Same journal

Higher-Order Clustering of Receptors Real-Time Projected by Plasmon-ruler on the Single Live Cell.

Nano letters·2026
Same journal

Achieving Fermi-Level Depinning and Ideal Metal Contact in <i>β</i>-Ga<sub>2</sub>O<sub>3</sub> Devices via MXene Integration.

Nano letters·2026
Same journal

AI-Assisted Electron Microscopy in Structure-Performance Analysis of Advanced Catalysts: From Atomic Resolution to Statistical Significance.

Nano letters·2026
Same journal

Electrically Switchable Ultraslow Dispersionless Polaritons via Twist Engineering in van der Waals Heterostructures.

Nano letters·2026
Same journal

Correction to "Ultrasonication-Triggered Ubiquitous Assembly of Magnetic Janus Amphiphilic Nanoparticles in Cancer Theranostic Applications".

Nano letters·2026
Same journal

Tunable Proximity Valley Splitting Via Interfacial Exchange Pinning in WSe<sub>2</sub>-CrBr<sub>3</sub>-CrPS<sub>4</sub> Heterostructures.

Nano letters·2026
See all related articles

We created hybrid nanostructures by placing gold nanoparticles near quantum dots. This significantly shortened the quantum dot’s light emission lifetime and eliminated blinking by enabling efficient energy transfer.

Area of Science:

  • Nanotechnology
  • Materials Science
  • Quantum Optics

Background:

  • Quantum dots (QDs) exhibit unique photoluminescence properties.
  • Controlling QD emission through external factors is crucial for applications.
  • Hybrid nanostructures offer tunable optical properties.

Purpose of the Study:

  • To construct and investigate a hybrid nanostructure comprising a single gold (Au) nanoparticle and a cadmium selenide/zinc sulfide (CdSe/ZnS) quantum dot.
  • To systematically vary the coupling between the Au nanoparticle and QD.
  • To analyze the impact on QD photoluminescence lifetime and blinking behavior.

Main Methods:

  • Atomic force microscopy (AFM) nanomanipulation for precise positioning of a single Au nanoparticle relative to a CdSe/ZnS QD.

More Related Videos

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
08:19

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

Related Experiment Videos

Last Updated: Jun 4, 2026

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
08:19

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

  • Systematic and reversible variation of the interparticle coupling.
  • Measurement of photoluminescence lifetime and blinking of the QD before and after nanostructure assembly.

    • Main Results:

    • Construction of a hybrid nanostructure with controllable geometry.
    • Significant reduction in QD photoluminescence lifetime, from ~30 ns to below 1 ns in some cases.
    • Complete suppression of QD blinking due to dominant nonradiative energy transfer to the Au nanoparticle.
    • Observed changes in lifetime and intensity are accurately predicted by analytical models.

    Conclusions:

    • Nonradiative energy transfer from CdSe/ZnS QDs to Au nanoparticles can be effectively controlled by varying nanostructure geometry.
    • This energy transfer mechanism dramatically alters QD photoluminescence dynamics, reducing lifetime and eliminating blinking.
    • The findings provide a pathway for designing advanced nanomaterials with tailored optical properties.