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

Photoluminescence: Applications01:14

Photoluminescence: Applications

477
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
477

You might also read

Related Articles

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

Sort by
Same author

A Double-Edged Algorithm Attitude: How Appreciation and Aversion Shape Students' AI Learning Anxiety in Higher Education.

Behavioral sciences (Basel, Switzerland)·2026
Same author

AI/ML-Assisted SERS Biosensing for Biomolecular Detection: From Direct Spectral Response to Integrated Diagnostic Systems.

Biosensors·2026
Same author

Computational carrier dynamics across heterojunction interface between hole injection and transport layers in quantum-dot light-emitting diodes.

Scientific reports·2026
Same author

Edge-emitting LED refractometer.

Optics express·2026
Same author

Intrinsically stretchable large-area pixelated electrochromic displays via direct photopatterning.

Nature communications·2026
Same author

A Polyurea-Crosslinked Gel Polymer Electrolyte for Solvation and Interphase Regulation in Lithium Metal Batteries.

Angewandte Chemie (International ed. in English)·2026

Related Experiment Video

Updated: Sep 2, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

8.9K

Optoelectronic system and device integration for quantum-dot light-emitting diode white lighting with computational

Chatura Samarakoon1, Hyung Woo Choi1, Sanghyo Lee1

  • 1Electrical Engineering Division, Department of Engineering, University of Cambridge, 9 JJ Thomson Avenue, Cambridge, CB3 0FA, United Kingdom.

Nature Communications
|August 3, 2022
PubMed
Summary

We developed a computational framework to design quantum dot white lighting systems. This method achieved a high 92% color rendering index and tunable color temperatures using four primary quantum dots.

More Related Videos

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.7K
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

Related Experiment Videos

Last Updated: Sep 2, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

8.9K
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.7K
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

Area of Science:

  • Materials Science
  • Optoelectronics
  • Computational Design

Background:

  • Developing efficient and high-quality white lighting is crucial for various applications.
  • Quantum dot light-emitting diodes (QLEDs) offer potential for advanced lighting solutions due to their tunable emission properties.
  • Achieving high color rendering index (CRI) and wide color temperature variation in QLED-based white lighting remains a challenge.

Purpose of the Study:

  • To propose and validate a computational design framework for pixelated electric-field-driven quantum dot white lighting systems.
  • To optimize quantum dot color combinations and spatial layouts for superior lighting performance.
  • To demonstrate the fabrication and performance of a QLED white lighting system based on the computational design.

Main Methods:

  • A system-level combinatorial color optimization process utilizing the Nelder-Mead algorithm for machine learning was employed.
  • Device-level charge transport simulations incorporating an electric-field-dependent charge injection model were used to design quantum dot pattern layouts.
  • Fabrication of the white lighting system was achieved using the transfer printing technique.

Main Results:

  • A theoretical maximum color rendering index (CRI) of 97% was achieved using red, green, cyan, and blue quantum dot light-emitting diodes.
  • The fabricated system demonstrated an excellent practical CRI of 92%.
  • The system exhibited a wide color temperature variation, ranging from 1612 K to 8903 K, using only four pixelated quantum dots.

Conclusions:

  • The proposed computational design framework is effective for architecting high-performance quantum dot white lighting systems.
  • The use of four primary quantum dots (red, green, cyan, blue) with optimized patterns enables excellent lighting characteristics.
  • This approach paves the way for advanced, customizable, and energy-efficient lighting solutions.