Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

P-N junction

P-N junction

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...

You might also read

Related Articles

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

Sort by

Same author

Effects of Painting-Based Art Interventions on Mental Health Outcomes: A Meta-Analysis of Randomized Controlled Trials.

Behavioral sciences (Basel, Switzerland)·2026

Same author

Label-Free Quantification of Bilirubin Using a Refractive Index-Insensitive Nanolaminate SERS Substrate.

Biosensors·2026

Same author

Corrigendum to "Molecular role of developmentally regulated GTP-binding protein 1 in coordinating osteoclast and osteoblast differentiation during bone remodeling" [Mol. Cells 49 (2026) 100342].

Molecules and cells·2026

Same author

Enhancing Volumetric Hydrogen Storage Capacity through Bimodal Packing of MOF Particles.

ACS omega·2026

Same author

Electrochemical deoxygenative trifluoromethylallenylation of propargylic alcohols <i>via</i> sodium-mediated pre-association.

Chemical science·2026

Same author

Metal-Amide Chemistry Enables Controlled Heavy-Pnictogen Reduction for Colloidal III-V Nanocrystal Synthesis.

Journal of the American Chemical Society·2026

Same journal

Lasing characteristics and stress-tuning effects in GaN beam microcavities.

Nanoscale·2026

Same journal

Unraveling the synergy of core doping and the motif shell in atomically precise PtAg nanoclusters for CF<sub>3</sub>-ketone alkynylation.

Nanoscale·2026

Same journal

A dual-functional heavy-metal-free quantum dot/TiO<sub>2</sub> hybrid system for simultaneous pollutant degradation and green hydrogen production.

Nanoscale·2026

Same journal

Rational design of spherical NiCoB@rGO nanocomposites for efficient electrochemical energy storage.

Nanoscale·2026

Same journal

Ligand-controlled engineering of Cu-H active sites on Cu<sub>25</sub> hydride nanoclusters for efficient CO<sub>2</sub> electroreduction.

Nanoscale·2026

Same journal

Isostructural Co/Ni-containing banana-shaped polyoxometalates for visible-light-driven hydrogen production.

Nanoscale·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Apr 14, 2026

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Published on: January 22, 2019

All-solution-processed PbS quantum dot solar modules.

Jihoon Jang¹, Hyung Cheoul Shim, Yeonkyeong Ju

¹Nanomechanical Systems Research Division, KIMM (Korea Institute of Machinery and Materials), Daejeon 305-343, Republic of Korea. sjeong@kimm.re.kr.

|April 25, 2015

Summary

This summary is machine-generated.

This study presents all-solution-processed flexible lead sulfide (PbS) quantum dot (QD) solar modules. These modules offer a scalable, low-cost power source with a 1.3% power conversion efficiency for large-area devices.

More Related Videos

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Published on: July 8, 2016

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

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

Related Experiment Videos

Last Updated: Apr 14, 2026

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Published on: January 22, 2019

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Published on: July 8, 2016

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

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

Area of Science:

Materials Science
Renewable Energy
Nanotechnology

Background:

Recent advances in colloidal quantum dot (QD) solar cells, particularly with lead sulfide (PbS) QDs, have focused on heterojunction architectures for improved efficiency.
Scaling up QD solar cell fabrication from small-area devices to large modules using cost-effective methods is crucial for commercial viability.

Purpose of the Study:

To demonstrate all-solution-processed flexible PbS QD solar modules suitable for low-cost, large-area power generation.
To investigate the performance trade-offs between active area and power conversion efficiency in these modules.

Main Methods:

Fabrication of flexible PbS QD solar modules using a layer-by-layer, all-solution process on a polyethylene terephthalate (PET) substrate.
Utilized a specific architecture: ITO/TiO2/PbS QD/P3HT/PEDOT:PSS/Ag.
Tested module performance under standard AM 1.5 solar simulation conditions.

Main Results:

Achieved a power conversion efficiency (PCE) of 1.3% for large-area modules (up to 30 cm²) and 2.2% for unit cells (1 cm²).
Demonstrated a scalable approach for producing flexible QD solar modules via solution processing.
Highlighted the trade-off between device power and active area, enabling cost-effective power solutions.

Conclusions:

All-solution processing is a viable method for fabricating flexible PbS QD solar modules.
The developed approach offers a scalable and cost-effective pathway for next-generation photovoltaic devices.
Further optimization may enhance the power conversion efficiency of large-area QD solar modules.