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

P-N junction01:11

P-N junction

567
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
567

You might also read

Related Articles

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

Sort by
Same author

High-Entropy Phosphide-Polymer Nanointerfaces Enable Adaptive Li<sup>+</sup> Transport for High-Performance Solid-State Li Metal Batteries.

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

UV photo-uncaging of Ru(II)-polypyridyl bioconjugates in high vacuum.

Physical chemistry chemical physics : PCCP·2026
Same author

Nanomaterials for In Vivo Photoacoustic Sensing: Emerging Strategies and Future Outlook.

ACS sensors·2026
Same author

Identification of Closantel as a small-molecule inhibitor of the compact CRISPR-Cas RNA editor Cas13bt3.

Molecular diversity·2026
Same author

Epigenetic Inhibitor 5-Azacytidine Triggers DIM-2/DIM-5-Dependent Mutagenesis in H3K9me3-Enriched Regions of <i>Neurospora crassa</i>.

Journal of fungi (Basel, Switzerland)·2026
Same author

What's on the Surface? Silver Nanoparticle Fractal Assemblies and Their Impact on Catalysis.

Langmuir : the ACS journal of surfaces and colloids·2026

Related Experiment Video

Updated: Jul 16, 2025

Flash Infrared Annealing for Perovskite Solar Cell Processing
05:15

Flash Infrared Annealing for Perovskite Solar Cell Processing

Published on: February 3, 2021

8.0K

Rejuvenating Aged Perovskite Quantum Dots for Efficient Solar Cells.

Jingxuan Chen1, Donglin Jia1, Rongshan Zhuang2

  • 1School of Materials Science and Engineering, Beihang University, Beijing, 100191, China.

Advanced Materials (Deerfield Beach, Fla.)
|September 20, 2023
PubMed
Summary

A novel in situ defect healing treatment (DHT) rejuvenates aged perovskite quantum dots (PQDs) by stabilizing their ligands. This method restores optoelectronic properties and enhances stability for perovskite quantum dot solar cells.

Keywords:
defect healingoptoelectronic propertyperovskite quantum dotphotovoltaic performancesolar cell

More Related Videos

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

16.7K
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

Related Experiment Videos

Last Updated: Jul 16, 2025

Flash Infrared Annealing for Perovskite Solar Cell Processing
05:15

Flash Infrared Annealing for Perovskite Solar Cell Processing

Published on: February 3, 2021

8.0K
Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

16.7K
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

Area of Science:

  • Materials Science
  • Nanotechnology
  • Photovoltaics

Background:

  • Perovskite quantum dots (PQDs) offer excellent optoelectronic properties for solar cells.
  • Ligand instability causes degradation in PQDs, limiting their photovoltaic applications.
  • Effective strategies are needed to restore aged PQDs.

Purpose of the Study:

  • To develop an in situ defect healing treatment (DHT) for aged PQDs.
  • To understand the mechanisms behind PQD property recovery.
  • To improve the performance and stability of PQD solar cells.

Main Methods:

  • In situ defect healing treatment (DHT) applied to aged PQDs.
  • Experimental characterization of treated PQDs.
  • Theoretical calculations to elucidate healing mechanisms.
  • Fabrication and testing of PQD solar cells.

Main Results:

  • DHT effectively rejuvenated aged PQDs, restoring their optoelectronic properties.
  • I3- anions from tetra-n-octylammonium iodide and iodine anchored to PQD defects, reducing charge carrier recombination.
  • DHT improved PQD morphology and stacking, enhancing charge transport.
  • PQD solar cells fabricated with rejuvenated PQDs achieved 15.88% efficiency and improved stability.

Conclusions:

  • The developed DHT is a viable method for restoring aged PQDs.
  • The treatment mechanism involves ligand anchoring and morphological renovation.
  • This approach significantly enhances the performance and durability of perovskite quantum dot solar cells.