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

You might also read

Related Articles

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

Sort by
Same author

Author Correction: Blue organic light-emitting diode with a turn-on voltage of 1.47V.

Nature communications·2026
Same author

Highly-Emissive Organic Photovoltaics Approaching Theoretical Limit Voltage and Enabling Multifunctional Energy-Harvesting Displays.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Quantum Dots as Emerging Nanomaterials for Sensitive and Selective Environmental Contaminant Sensing.

Chemistry, an Asian journal·2026
Same author

Benchmarking Large Language Models on the Taiwan Neurology Board Examinations (2018-2024): A Comparative Evaluation of GPT-4o, GPT-o1, DeepSeek-V3, and DeepSeek-R1.

Bioengineering (Basel, Switzerland)·2026
Same author

AI-assisted interpretation of bone scans: Performance comparison between ChatGPT-4o and a TFDA-approved bone scintigraphy platform in AI-driven nuclear imaging interpretation.

Digital health·2026
Same author

High-resistance-state tunneling in 25 nm TiO<sub><i>x</i></sub>/Y-doped HfO<sub>2</sub>/Pt nanocrossbar ferroelectric tunnel junctions.

Nanoscale·2026

Related Experiment Video

Updated: Oct 19, 2025

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.3K

Towards single electron transistor-based photon detection with microplasma-enabled graphene quantum dots.

Pei-Chun Yeh1, Genki Ohkatsu2, Ryo Toyama2

  • 1Department of Chemical Engineering, National Taiwan University of Science Technology, Taipei 10607, Taiwan.

Nanotechnology
|September 20, 2021
PubMed
Summary

Researchers developed graphene quantum dot (GQD)-based single-electron transistors (SETs) for photon detection. These novel GQD-SETs utilize stable photoluminescence for sensitive light detection applications.

Keywords:
graphene quantum dotsphoton detectionplasmassynthesistransistor

More Related Videos

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.5K

Related Experiment Videos

Last Updated: Oct 19, 2025

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.3K
Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.5K

Area of Science:

  • Nanotechnology
  • Materials Science
  • Quantum Physics

Background:

  • Single-electron transistors (SETs) offer high charge sensitivity, fast switching, and low power consumption.
  • Graphene quantum dots (GQDs) are promising nanomaterials with stable photoluminescence.
  • Developing efficient photon detectors is crucial for various scientific and technological fields.

Purpose of the Study:

  • To demonstrate a simple and controlled fabrication method for graphene quantum dot (GQD)-based single-electron transistors (SETs).
  • To utilize these GQD-SETs as photon detectors.
  • To investigate the performance of GQD-SETs for light detection applications.

Main Methods:

  • Fabrication of GQD-based SETs using plasma-synthesized GQDs.
  • Employing heteroepitaxial spherical-gold/platinum (HS-Au/Pt) nanogap electrodes.
  • Utilizing the Coulomb blockade effect in GQDs as Coulomb islands.

Main Results:

  • Successfully fabricated GQD-SETs with stable photoluminescence from plasma-synthesized GQDs.
  • Demonstrated photon detection capabilities of the GQD-SETs.
  • Achieved photon detection with 410 nm excitation, attributed to GQD photoluminescence emission.

Conclusions:

  • GQD-based SETs provide a viable platform for sensitive photon detection.
  • The controlled fabrication method enables the integration of GQDs into electronic devices.
  • This work highlights the potential of GQDs in optoelectronic applications.