Effect of graded Al composition in w-shaped quantum wells and Δ-shaped quantum barriers on performance of AlGaN based UV-C light emitting diodes

I Mazumder, K Sapra, H Aagiwal, A Chauhan… - Materials Science and …, 2023 - Elsevier
In this paper, we theoretically investigate the effect of geometry of QWs and QBs on the
optical performance of AlGaN based UV-C LEDs. It is observed that the graded Al …

High photoluminescence intensity of heterostructure AlGaN-based DUV-LED through uniform carrier distribution

MAH Aman, FAA Fajri, AFA Noorden, S Daud… - Physica …, 2022 - iopscience.iop.org
We report a numerical analysis of the variation of Aluminium (Al) composition in Al Gallium
Nitride (AlGaN)-based Deep-Ultraviolet Light-Emitting Diode (DUV-LED) and its effects on …

Effects of the diameter of thermally generated nanopits on carrier dynamics in AlGaN/GaN heterostructures

M Bouzidi, W Malek, N Chaaben… - Optical …, 2022 - spiedigitallibrary.org
The size and density of nanopits, generated at the surface of their top layer, strongly affect
the electrical and optical properties of AlGaN-based structures. Therefore, the control of the …

[HTML][HTML] Enhancing Carriers' Confinement by Introducing BAlGaN Quantum Barriers for the Better Optoelectronic Performance of Deep UV LEDs

J Bashir, M Usman, DS Arteev, Z Noor, A Ali - Photonics, 2025 - mdpi.com
Ultraviolet light-emitting diodes (LEDs) based on Aluminum Gallium Nitride (AlGaN) suffer
from poor carriers' confinement effect, one possible solution to this problem is to increase the …

Effects of Electron Blocking Layer Thickness on the Electrical and Optical Properties of AlGaN-Based Deep-Ultraviolet Light-Emitting Diode

MA Hairol Aman, AF Ahmad Noorden… - Journal of Electronic …, 2024 - Springer
The aluminum gallium nitride (AlGaN)-based deep-ultraviolet light-emitting diode (DUV-
LED) has been a prominent device due to its contribution in various fields. The electron …

Performance enhancement of deep-ultraviolet LEDs by using quaternary AlInGaN polarization-engineered multiple-symmetrical-stair quantum barriers without …

K Zhang, F Liao, M Lian, J Li, X Zhang, YA Yin - Applied Optics, 2022 - opg.optica.org
In this paper, a structure design using quaternary AlInGaN as multiple-symmetrical-stair-
shaped quantum barriers without an electron blocking layer is shown. The results show this …

[PDF][PDF] AlGaN 基深紫外LED 电子阻挡层的智能优化设计

冯丽雅, 路慧敏, 朱一帆, 陈毅勇, 于彤军, 王建萍 - 物理学报, 2023 - wulixb.iphy.ac.cn
为了提高AlGaN 基深紫外发光二极管(light emitting diode, LED) 的内量子效率(internal
quantum efficiency, IQE), 本文采用了基于InAlGaN/AlGaN 超晶格的电子阻挡层(electron …

Characterization of the micro-structural properties of InAlN/GaN epilayer grown by MOCVD

Y Zhu, T Hu, M Wang, Y Li, M Ge, X Guo, H Deng… - Crystals, 2022 - mdpi.com
An InAlN/GaN heterostructure has been successfully grown on GaN/sapphire and
AlN/sapphire substrate by metal organic chemical vapor deposition. The whole epitaxial …

Carrier Blocking Layer Analysis for High Integral Confinement Factor of AlGaN-based Deep-Ultraviolet Light-Emitting Diode

MAH Aman, AFA Noorden, S Daud, WH Danial - 2023 - researchsquare.com
The deep-ultraviolet light-emitting diode (DUV-LED) has been applied in various fields such
as the medical sector, plant lighting, UV curing, sensing, and sterilization. Alas, the issue of …

Effect of thermally generated nanopits diameter on the carrier dynamics in AlGaN/GaN heterostructures

M Bouzidi, W Malek, N Chaaben, AS Alshammari… - 2022 - researchsquare.com
Abstract Effects of the nanopits diameter observed at the surface of AlGaN on carrier
dynamics are systematically investigated. The diameter variation of nanopits is achieved …