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

Transition metal-coordinated metastable [MoS<sub>4</sub>]<sup>2-</sup> cluster for SO<sub>2</sub>-facilitated gaseous mercury adsorption from wet flue gas.

Journal of environmental sciences (China)·2026
Same author

The first-in-human ENCIT01 trial comparing second- versus third-generation L1CAM-specific CAR T cells in patients with primary refractory or relapsed neuroblastoma.

Clinical cancer research : an official journal of the American Association for Cancer Research·2026
Same author

Seroprevalence and associated risk factors for feline panleukopenia virus infection among managed giant pandas in China.

Veterinary research·2026
Same author

A novel chemical engineering system design for synergistic SO<sub>2</sub> reduction and CH<sub>4</sub>/CO<sub>2</sub> reforming.

Environmental research·2026
Same author

Machine learning model-guided selective use of temporary diverting ileostomy in rectal cancer surgery: a randomized controlled trial.

Nature communications·2026
Same author

Generation of HBV cccDNA using single-stranded M13 phage DNA for authentic minichromosome functionality.

Journal of virology·2026

Related Experiment Video

Updated: Aug 5, 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

Investigations of Sidewall Passivation Using the Sol-Gel Method on the Optoelectronic Performance for Blue InGaN

Wenjun Huang1, Xiangyu Miao1, Zhaojun Liu1

  • 1Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen 518055, China.

Micromachines
|March 29, 2023
PubMed
Summary

Sol-gel sidewall passivation significantly enhances micro-light-emitting diode (Micro-LED) performance. This method improves efficiency and uniformity, offering a cost-effective solution for high-efficiency Micro-LED fabrication.

Keywords:
GaN-based micro-light-emitting diodes (Micro-LEDs)sidewall passivationsol-gel SiO2

More Related Videos

Development of Efficient OLEDs from Solution Deposition
07:09

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

2.2K
In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for CuIn,GaSe2 Solar Cells
09:19

In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for CuIn,GaSe2 Solar Cells

Published on: October 3, 2018

8.5K

Related Experiment Videos

Last Updated: Aug 5, 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
Development of Efficient OLEDs from Solution Deposition
07:09

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

2.2K
In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for CuIn,GaSe2 Solar Cells
09:19

In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for CuIn,GaSe2 Solar Cells

Published on: October 3, 2018

8.5K

Area of Science:

  • Optoelectronics
  • Materials Science
  • Semiconductor Devices

Background:

  • Micro-light-emitting diodes (Micro-LEDs) are crucial for advanced display technologies.
  • Sidewall defects significantly impact Micro-LED optoelectronic performance.
  • Effective passivation strategies are needed to improve Micro-LED efficiency and reliability.

Purpose of the Study:

  • To investigate the optoelectronic effects of sidewall passivation on Micro-LEDs.
  • To compare sol-gel SiO2 passivation with other methods, including no passivation and PECVD SiO2.
  • To demonstrate the potential of sol-gel synthesis for low-cost, high-efficiency Micro-LED fabrication.

Main Methods:

  • Fabrication of blue Indium Gallium Nitride/Gallium Nitride (InGaN/GaN) multi-quantum well (MQW) Micro-LEDs in sizes ranging from 20 × 20 μm to 100 × 100 μm.
  • Application of sidewall passivation using sol-gel SiO2 and plasma-enhanced chemical vapor deposition (PECVD) SiO2.
  • Characterization of optoelectronic performance, including external quantum efficiency (EQE), edge emission, and surface luminous uniformity.

Main Results:

  • Sol-gel SiO2 passivation resulted in a significant improvement in Micro-LED performance.
  • A 20 × 20 μm Micro-LED with sol-gel passivation achieved an EQE of 27.7%, a 14% increase compared to unpassivated devices.
  • Sol-gel passivation led to sharper edge emission and superior surface luminous uniformity and intensity.

Conclusions:

  • Sol-gel chemical synthesis is an effective and advantageous method for Micro-LED sidewall passivation.
  • This approach enables the fabrication of Micro-LEDs with enhanced optoelectronic performance.
  • Sol-gel passivation offers a promising pathway towards the development of low-cost and high-efficiency Micro-LEDs.