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

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

Multidimensional Emission Control of CsPbI<sub>3</sub> Quantum Dots Using Plasmonic Quasi-Bound States in the Continuum.

ACS nano·2026
Same author

Suppressing Multi-Dimensional Defects in Cs<sub>0.05</sub>FA<sub>0.95</sub>PbI<sub>3</sub> Single Crystals Enables Efficient and Stable Back-Contacted Perovskite Photovoltaics.

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

Differential Image Sensor With Decoupled Static and Dynamic Outputs.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Soft Biaxial Molecular Ferroelectric Thin Films toward Self-Driven X-Ray Detection.

ACS nano·2026
Same author

Proof-of-Concept Evaluation of Primary Human FAP-CAR-NK Cells Targeting Activated Fibroblasts in Pulmonary Fibrosis.

International journal of molecular sciences·2026

Related Experiment Video

Updated: Sep 18, 2025

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications
07:42

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Published on: January 22, 2019

11.2K

Weak Electrostatic Network Structure Improves PbS Quantum Dot Ink Stability.

Jing Li1, Wei Dong1, Zhijian Li1

  • 1Key Laboratory of Automobile Materials, Ministry of Education, School of Materials Science and Engineering, Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, Jilin University, Changchun 130012, China.

ACS Applied Materials & Interfaces
|June 23, 2025
PubMed
Summary
This summary is machine-generated.

We developed a new method to stabilize lead sulfide (PbS) quantum dot (QD) inks using surface modifications. This significantly improves ink stability and the performance of QD solar cells.

Keywords:
hydrogen bondink stabilityquantum dotsolar cellπ interaction

More Related Videos

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
Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

14.9K

Related Experiment Videos

Last Updated: Sep 18, 2025

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications
07:42

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Published on: January 22, 2019

11.2K
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
Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

14.9K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Photovoltaics

Background:

  • Stability of lead sulfide (PbS) quantum dot (QD) inks in polar solvents is crucial for high-performance solar cell fabrication.
  • QD aggregation and epitaxial fusion in polar solvents lead to trap states, degrading device performance.

Purpose of the Study:

  • To enhance PbS QD ink stability in polar solvents.
  • To prevent QD aggregation and epitaxial fusion through surface modification.
  • To improve the performance and stability of PbS QD solar cells.

Main Methods:

  • Constructed a weak electrostatic network on the QD surface using hydrogen bonds and π interactions.
  • Optimized the surface structure to prevent QD aggregation and epitaxial fusion.
  • Fabricated and characterized PbS QD solar cells using the modified QDs.

Main Results:

  • Achieved a 13% reduction in Urbach energy and a 50% decrease in trap state density.
  • Extended carrier lifetime by 107%, indicating enhanced carrier transport and extraction.
  • Demonstrated a power conversion efficiency of 13% for PbS QD solar cells.

Conclusions:

  • The novel surface modification strategy effectively enhances PbS QD ink stability.
  • The optimized QDs lead to improved solar cell performance and significantly prolonged operational stability (>1000 h in air).
  • This approach offers a promising pathway for developing stable and efficient QD-based photovoltaic devices.