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

Short-Wave Infrared Organic Photodetectors With Ultralow Dark Current Density Under Biased Operating Conditions.

Advanced materials (Deerfield Beach, Fla.)·2026

Same author

Allostatic Load in Endometrial Cancer Disparities.

medRxiv : the preprint server for health sciences·2026

Same author

Novel pyripyropenes produced by gene cluster design and heterologous expression.

Mycology·2026

Same author

Boosting the Performance of Visible/Near-Infrared Organic Photodetectors via Hole Interface Engineering.

Nanomaterials (Basel, Switzerland)·2026

Same author

SECTM1 coordinates immune microenvironments and multi-systemic disease pathophysiology.

Frontiers in immunology·2026

Same author

Machine learning - optimized molecularly imprinted electrochemical sensor based on Bi-rich BiOBr/BC@AuNPs for trace determination of sulfachlorpyrazine sodium in food.

Food chemistry·2026

Search research articles

Related Experiment Video

Updated: Jun 12, 2026

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping

Published on: July 2, 2012

A Simple and Effective Phosphine-Doping Technique for Solution-Processed Nanocrystal Solar Cells.

Chenbo Min¹, Yihui Chen¹, Yonglin Yang¹

¹School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China.

Nanomaterials (Basel, Switzerland)

|June 10, 2023

Summary

This summary is machine-generated.

A novel phosphine-doping technique enhances cadmium telluride (CdTe) nanocrystal solar cells. This method improves power conversion efficiency and device stability, offering a promising advancement for CdTe solar cell technology.

Keywords:

cadmium telluride nanocrystals phosphine-doping technique photovoltaic device

More Related Videos

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

Published on: August 23, 2012

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Published on: July 8, 2016

Related Experiment Videos

Last Updated: Jun 12, 2026

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping

Published on: July 2, 2012

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

Published on: August 23, 2012

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices

Published on: July 8, 2016

Area of Science:

Materials Science
Nanotechnology
Renewable Energy

Background:

Solution-processed cadmium telluride (CdTe) nanocrystal (NC) solar cells are cost-effective and suitable for large-scale production.
Undecorated CdTe NC solar cells suffer from performance limitations due to crystal boundaries.
Organic hole transport layers (HTLs) improve performance but introduce parasitic resistance, increasing contact resistance.

Purpose of the Study:

To develop a simple phosphine-doping technique for enhancing CdTe NC solar cell performance.
To investigate the impact of phosphine doping on device efficiency and stability.
To address the issue of contact resistance in CdTe NC solar cells.

Main Methods:

A solution process under ambient conditions was used for phosphine doping.
Triphenylphosphine (TPP) was employed as the phosphine source.
Device performance was evaluated through power conversion efficiency (PCE) measurements and stability tests.

Main Results:

The phosphine-doping technique successfully improved the power conversion efficiency (PCE) of CdTe NC solar cells to 5.41%.
The doped devices exhibited extraordinary stability compared to control devices.
Characterizations revealed increased carrier concentration, enhanced hole mobility, and a longer carrier lifetime in the doped NCs.

Conclusions:

A simple and effective phosphine-doping strategy using TPP has been developed for CdTe NC solar cells.
This doping method significantly enhances both the power conversion efficiency and operational stability of the devices.
The findings present a new avenue for advancing the performance of solution-processed CdTe NC solar cells.