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

Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...

You might also read

Related Articles

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

Sort by
Same author

Ultra-high responsivity 4H-SiC floating-base phototransistors enabled by punch-through induced barrier lowering.

Optics letters·2026
Same author

Molecularly Confined Domains Enable Halide-Stable Wide-Bandgap Perovskites.

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

Indium-Based Octahedra Coordinating Pb-I Termini for Stable Perovskites.

Nature communications·2026
Same author

K<sup>+</sup>-Intercalation Engineering of 1D Ultrathin K<sub>0.25</sub>IrO<sub>2</sub> Electrocatalyst for Industry-Level Proton Exchange Membrane Water Electrolysis.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Polymer-templated mesoscale assembly directs synthesis of centimetre-scale perovskite single crystals.

Nature communications·2026
Same author

Bulk nano-heterointerface secures molecular contacts in perovskite solar cells.

Nature materials·2026

Related Experiment Video

Updated: May 18, 2026

Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter
06:25

Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter

Published on: November 7, 2025

Electrically tunable electroluminescence from SiN(x)-based light-emitting devices.

Dongsheng Li1, Feng Wang, Deren Yang

  • 1State Key Laboratory of Silicon Materials and Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China. mselds@zju.edu.cn

Optics Express
|October 6, 2012
PubMed
Summary
This summary is machine-generated.

Two electroluminescence peaks in silicon nitride (SiN(x)) devices with silver nanoparticles exhibit a blue shift with increased current. This shift is attributed to improved carrier injection into higher energy levels.

More Related Videos

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
05:51

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

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

Related Experiment Videos

Last Updated: May 18, 2026

Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter
06:25

Step-by-Step Guide for Harnessing Organic Light Emitting Diodes by Solution Processed Device Fabrication of a TADF Emitter

Published on: November 7, 2025

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
05:51

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

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

Area of Science:

  • Materials Science
  • Optoelectronics
  • Nanotechnology

Background:

  • Silicon nitride (SiN(x)) based light-emitting devices are investigated.
  • Silver nanoparticles (AgNPs) are incorporated onto the luminous layer.

Purpose of the Study:

  • To analyze the origin of two observed electroluminescence peaks.
  • To understand the effect of injected current on peak characteristics.

Main Methods:

  • Observation of Gauss peaks in electroluminescence spectra.
  • Analysis of peak position, relative intensity, and full width at half maximum.
  • Investigation of carrier transport mechanisms.

Main Results:

  • Two distinct Gauss peaks were observed in SiN(x) devices with AgNPs.
  • Both peaks showed a blue shift with increasing injected current.
  • Changes in peak positions and intensities correlated with transport mechanism modifications.

Conclusions:

  • The blue shift of electroluminescence peaks is attributed to enhanced carrier injection into higher energy states.
  • Improved carrier injection is facilitated by band tail states.
  • The study confirms the role of carrier injection and transport mechanisms in device performance.