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

Edge-Up Oriented Colloidal CdSe Nanoplatelets Facilitate Faster Response in Vertical Photodetectors.

ACS applied materials & interfaces·2026
Same author

Highly Photosensitive Colloidal Quantum Well Based Nanocrystal Skins Assisted by Orientation Control.

Nano letters·2025
Same author

Lasing from Brillouin Zone Folding Guided Resonances.

ACS nano·2025
Same author

Engineering Colloidal Quasi-2D Quantum Wells for High-Performance Room-Temperature Single-Photon Sources.

Journal of the American Chemical Society·2025
Same author

Highly Efficient, Spatially Pure Circularly Polarized Luminescence from Bilayer Self-Assembled Colloidal Quantum Wells and Soft Helical Superstructures.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Room-Temperature Lasing at Flatband Bound States in the Continuum.

ACS nano·2025

Related Experiment Video

Updated: Jun 16, 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

8.8K

Bandgap-Engineered High-Efficiency Blue- and Green-Emitting CdZnSeS/ZnS Quaternary Alloyed Core/Shell Colloidal

Aisan Khaligh1, Savas Delikanli1,2, Betul Canimkurbey1,3

  • 1UNAM-Institute of Materials Science and Nanotechnology and the National Nanotechnology Research Center, Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Ankara 06800, Turkey.

ACS Applied Materials & Interfaces
|June 2, 2025
PubMed
Summary

Researchers developed highly efficient blue-emitting colloidal nanocrystals using a novel synthesis method. These solution-processed nanoplatelets achieve high photoluminescence quantum yield and stability, overcoming previous limitations for advanced optoelectronic devices.

Keywords:
blue emissioncation exchangecolloidal nanoplateletsheterostructureslight-emitting diodes

More Related Videos

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
04:14

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

12.9K
Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials
07:12

Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials

Published on: September 13, 2024

2.0K

Related Experiment Videos

Last Updated: Jun 16, 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

8.8K
Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
04:14

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

12.9K
Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials
07:12

Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials

Published on: September 13, 2024

2.0K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optoelectronics

Background:

  • Developing solution-processed blue emitters with high photoluminescence quantum yield (PL-QY) and stability is crucial for optoelectronics.
  • Achieving efficient blue emission in colloidal nanocrystals is challenging due to red shifts caused by shell passivation.

Purpose of the Study:

  • To develop highly efficient CdZnSeS/ZnS quaternary alloyed core/shell nanoplatelets (NPLs) with tunable blue/green emission.
  • To overcome the red-shift limitation in passivation shell growth for enhanced blue emitters.

Main Methods:

  • Synthesized CdZnSeS/ZnS core/shell NPLs using hot injection and cation-exchange reactions.
  • Controlled shell thickness and core composition for tunable emission properties.
  • Fabricated blue light-emitting diode (LED) devices using the engineered NPLs.

Main Results:

  • Achieved high PL-QY (>70%) over a broad spectrum (460-560 nm) with minimal PL red shift despite increased thickness.
  • Demonstrated a blue LED with external quantum efficiency (EQE) of 11.3% at 482 nm.
  • Observed low turn-on voltage (<2.5 V) and high maximum luminance (12,451 cd/m²).

Conclusions:

  • The developed quaternary alloyed NPLs offer a promising platform for high-performance light-emitting devices.
  • Bandgap-engineered NPLs provide efficient and tunable emission in the blue and green spectrum.
  • This approach enables the creation of advanced heterostructures for LEDs and lasers.