Defects and reliability of GaN‐based LEDs: review and perspectives

M Buffolo, A Caria, F Piva, N Roccato… - … status solidi (a), 2022 - Wiley Online Library
Herein, the main factors and mechanisms that limit the reliability of gallium nitride (GaN)‐
based light‐emitting diodes (LEDs) are reviewed. An overview of the defects …

Recent progress in red light-emitting diodes by III-nitride materials

D Iida, K Ohkawa - Semiconductor Science and Technology, 2021 - iopscience.iop.org
GaN-based light-emitting devices have the potential to realize all visible emissions with the
same material system. These emitters are expected to be next-generation red, green, and …

Development of microLED

JY Lin, HX Jiang - Applied Physics Letters, 2020 - pubs.aip.org
This perspective provides an overview of early developments, current status, and remaining
challenges of microLED (lLED) technology, which was first reported in Applied Physics …

Recent advances and challenges in the MOCVD growth of indium gallium nitride: A brief review

AK Tan, NA Hamzah, MA Ahmad, SS Ng… - Materials Science in …, 2022 - Elsevier
This article discusses the key challenges and the recent breakthroughs in realizing high-
quality indium (In)-rich indium gallium nitride (InGaN) epilayers and InGaN/GaN multiple …

The physics of recombinations in III-nitride emitters

A David, NG Young, C Lund… - ECS Journal of Solid …, 2019 - iopscience.iop.org
The physics of carrier recombinations in III-nitride light emitters are reviewed, with an
emphasis on experimental investigations. After a discussion of various methods of …

Thermal droop in III-nitride based light-emitting diodes: Physical origin and perspectives

M Meneghini, C De Santi, A Tibaldi, M Vallone… - Journal of applied …, 2020 - pubs.aip.org
This tutorial paper focuses on the physical origin of thermal droop, ie, the decrease in the
luminescence of light-emitting diodes (LEDs) induced by increasing temperature. III-nitride …

Quantum efficiency of III-nitride emitters: Evidence for defect-assisted nonradiative recombination and its effect on the green gap

A David, NG Young, CA Hurni, MD Craven - Physical Review Applied, 2019 - APS
Carrier-lifetime measurements reveal that, contrary to common expectations, the high-
current nonradiative recombination (droop) in III-nitride light emitters is comprised of two …

Surface recombinations in III-nitride micro-LEDs probed by photon-correlation cathodoluminescence

S Finot, C Le Maoult, E Gheeraert, D Vaufrey… - ACS …, 2021 - ACS Publications
III-Nitride micro-LEDs are promising building blocks for the next generation of high
performance microdisplays. To reach a high pixel density, it is desired to achieve micro …

Imaging nonradiative point defects buried in quantum wells using cathodoluminescence

TFK Weatherley, W Liu, V Osokin, DTL Alexander… - Nano Letters, 2021 - ACS Publications
Crystallographic point defects (PDs) can dramatically decrease the efficiency of
optoelectronic semiconductor devices, many of which are based on quantum well (QW) …

Disorder effects in nitride semiconductors: impact on fundamental and device properties

C Weisbuch, S Nakamura, YR Wu, JS Speck - Nanophotonics, 2020 - degruyter.com
Semiconductor structures used for fundamental or device applications most often
incorporate alloy materials. In “usual” or “common” III–V alloys, based on the InGaAsP or …