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

Adsorption Energy Difference-Driven Synthesis of Perovskite Single Crystals With Tailored Exposed Facets.

Angewandte Chemie (International ed. in English)·2026
Same author

High-performance topochemical polymerization-based photo-carving with sub-50 nm resolution utilizing visible light.

Nature communications·2026
Same author

Chiral π-conjugated polymer films <i>via</i> kinetically controlled dip-coating for circularly polarized light information encoding.

Nanoscale·2026
Same author

Cucurbitacin B attenuates bleomycin-induced pulmonary fibrosis by inhibiting M2 macrophage polarization via PI3K/AKT/mTOR signaling.

International immunopharmacology·2026
Same author

Phase Segregation of Colloidal Quantum Dots Driven by Marangoni Vortex Flow for Multi-Component Microfabrication.

Journal of the American Chemical Society·2026
Same author

Structured lasing with disordered high-<i>Q</i> perovskite cavities.

Science advances·2026

Related Experiment Video

Updated: Sep 27, 2025

A Modular Microfluidic Technology for Systematic Studies of Colloidal Semiconductor Nanocrystals
09:58

A Modular Microfluidic Technology for Systematic Studies of Colloidal Semiconductor Nanocrystals

Published on: May 10, 2018

9.7K

Deterministic Assembly of Colloidal Quantum Dots for Multifunctional Integrated Photonics.

Yuyan Zhao1,2, Jiangang Feng3, Gaosong Chen4

  • 1Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|April 12, 2022
PubMed
Summary

Researchers developed a new method using directional Laplace pressure to precisely assemble colloidal quantum dots (CQDs) into ordered microstructures, reducing defects and optical loss for advanced photonic devices.

Keywords:
colloidal quantum dotsintegrated photonicslasersmicro-/nanostructure assemblywaveguides

More Related Videos

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

16.4K
Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K

Related Experiment Videos

Last Updated: Sep 27, 2025

A Modular Microfluidic Technology for Systematic Studies of Colloidal Semiconductor Nanocrystals
09:58

A Modular Microfluidic Technology for Systematic Studies of Colloidal Semiconductor Nanocrystals

Published on: May 10, 2018

9.7K
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

16.4K
Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Photonics

Background:

  • Colloidal quantum dots (CQDs) show potential for photonic applications like lasers and waveguides.
  • Optical losses due to defects and disorder in solution processing hinder the integration of high-quality photonic elements.

Purpose of the Study:

  • To develop a method for ordered assembly of CQDs into designable micro-/nanostructures.
  • To overcome limitations of solution processing and reduce optical losses in CQD-based photonic devices.

Main Methods:

  • A platform utilizing directional Laplace pressure was created to control liquid front pinning during solution processing.
  • This method enables deterministic patterning of CQDs with controlled components and photoluminescence spectra onto various substrates.

Main Results:

  • Ordered assembly of CQDs into designable micro-/nanostructures was achieved, significantly reducing defects and optical losses.
  • Microring lasers with tunable emission modes and low-loss waveguides were fabricated.
  • Coupled structures demonstrated on-chip generation and propagation of coherent light.

Conclusions:

  • The directional Laplace pressure platform offers a versatile and robust method for fabricating high-quality CQD photonic devices.
  • This approach enables the creation of integrated photonic circuits, including microcavity lasers coupled with waveguides for information encoding.