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

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack07:31

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack

7.5K
We demonstrate how to deploy a real-time psychosis risk calculation and alerting system based on CogStack, an information retrieval and extraction platform for electronic health...
7.5K
Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis07:51

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis

8.0K
This article presents a protocol based on Hydra — a web-based system for clinical decision support that integrates a full and detailed set of functionalities and services required by physicians for complete cardiovascular analysis, risk assessment, early diagnosis, treatment, and monitoring over...
8.0K
A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting14:43

A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting

12.5K
This manuscript describes the Research Prioritization by Affected Communities (RPAC) protocol and findings from its use with women at risk for preterm birth. Using the protocol, women identified and prioritized their unanswered questions about pregnancy, birth and neonatal care aimed at influencing research priority setting by funders and...
12.5K
Watershed Planning within a Quantitative Scenario Analysis Framework12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

8.4K
There is a critical need for tools and methodologies capable of managing aquatic systems in the face of uncertain future conditions. We provide methods for conducting a targeted watershed assessment that enables resource managers to produce landscape-based cumulative effects models for use within a scenario analysis management...
8.4K
High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)11:38

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)

12.7K
The objective of the study was to assess the biological impact of 15 cigarette smoke constituents using a combination of an impedance-based real time cell analyzer and a high-content screening (HCS)-based platform for toxicological assessment in vitro. This study provides information on effective doses, toxicity and modes of action of the tested compounds.
12.7K
Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes17:50

Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes

12.9K
In this candid interview, Anthony A. James explains how mosquito genetics can be exploited to control malaria and dengue transmission. Population replacement strategy, the idea that transgenic mosquitoes can be released into the wild to control disease transmission, is introduced as well as the concept of genetic drive and the design criterion for an effective genetic drive system. The ethical considerations of releasing genetically-modified organisms into the wild are also...
12.9K

You might also read

Related Articles

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

Sort by
Same author

[Comprehensive analysis of unplanned reoperations in colorectal cancer surgery].

Zhonghua zhong liu za zhi [Chinese journal of oncology]·2018
Same author

Management of acute Achilles tendon ruptures: A review.

Bone & joint research·2018
Same author

Investigation of combined kV/MV CBCT imaging with a high-DQE MV detector.

Medical physics·2018
Same author

Association of serum galectin-3 with risks of death and vascular events in acute ischaemic stroke patients: the role of hyperglycemia.

European journal of neurology·2018
Same author

Hemorrhagic transformation after stroke: inter- and intrarater agreement.

European journal of neurology·2018
Same author

Ultrastructural changes of Trichophyton rubrum in tinea unguium after itraconazole therapy in vivo observed using scanning electron microscopy.

Clinical and experimental dermatology·2018

Related Experiment Video

Updated: Jan 19, 2026

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
07:31

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack

Published on: May 15, 2020

7.5K

Efficient silicon light-emitting diodes.

M A Green1, J Zhao, A Wang

  • 1Centre for Third Generation Photovoltaics, University of New South Wales, Sydney, New South Wales 2052, Australia. m.green@unsw.edu.au

Nature
|August 24, 2001
PubMed
Summary

Researchers developed efficient silicon light-emitting diodes (LEDs) with over 1% power conversion efficiency. This breakthrough overcomes previous limitations, paving the way for integrated silicon photonics.

More Related Videos

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC
11:38

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC

Published on: May 10, 2016

12.7K
Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes
17:50

Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes

Published on: July 4, 2007

12.9K

Related Experiment Videos

Last Updated: Jan 19, 2026

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
07:31

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack

Published on: May 15, 2020

7.5K
High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC
11:38

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC

Published on: May 10, 2016

12.7K
Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes
17:50

Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes

Published on: July 4, 2007

12.9K

Area of Science:

  • Materials Science
  • Optoelectronics
  • Semiconductor Physics

Background:

  • Silicon-based integrated circuits are ubiquitous, but efficient silicon light-emitting devices remain a significant challenge.
  • Current silicon light-emitting diodes (LEDs) exhibit very low power conversion efficiencies, typically in the 0.01-0.1% range.

Purpose of the Study:

  • To significantly enhance the power conversion efficiency of silicon light-emitting diodes (LEDs).
  • To achieve efficiencies comparable to direct bandgap emitters for practical applications in silicon photonics.

Main Methods:

  • Devices were engineered to enhance sub-bandgap light emission through one- and two-phonon assisted processes.
  • The design maximized light absorption at specific sub-bandgap wavelengths.
  • Strategies were implemented to minimize non-radiative recombination within the diode structure.

Main Results:

  • Achieved power conversion efficiencies exceeding 1% near room temperature, a hundredfold improvement over baseline devices.
  • Individual design features demonstrated a tenfold increase in emission efficiency.
  • The developed silicon LEDs approach the performance of direct bandgap emitters from a decade ago.

Conclusions:

  • The engineered silicon LEDs represent a substantial advancement in optoelectronics.
  • The findings enable the integration of efficient light emission with silicon-based electronics.
  • This work overcomes a critical bottleneck in the development of silicon photonics.