Compositionally graded III-nitride alloys: Building blocks for efficient ultraviolet optoelectronics and power electronics

H Zhang, C Huang, K Song, H Yu, C Xing… - Reports on Progress …, 2021 - iopscience.iop.org
Wide bandgap aluminum gallium nitride (AlGaN) semiconductor alloys have established
themselves as the key materials for building ultraviolet (UV) optoelectronic and power …

Perspectives on UVC LED: Its progress and application

TC Hsu, YT Teng, YW Yeh, X Fan, KH Chu, SH Lin… - Photonics, 2021 - mdpi.com
High-quality epitaxial layers are directly related to internal quantum efficiency. The methods
used to design such epitaxial layers are reviewed in this article. The ultraviolet C (UVC) light …

Achieving 9.6% efficiency in 304 nm p-AlGaN UVB LED via increasing the holes injection and light reflectance

MA Khan, N Maeda, J Yun, M Jo, Y Yamada… - Scientific reports, 2022 - nature.com
Crystal growth of eco-friendly, ultrawide bandgap aluminium gallium nitride (AlGaN)
semiconductor-based ultraviolet-B (UVB) light-emitting diodes (LEDs) hold the potential to …

Recent advances and challenges in AlGaN-based ultra-violet light emitting diode technologies

RK Mondal, S Adhikari, V Chatterjee, S Pal - Materials Research Bulletin, 2021 - Elsevier
The lighting industry undergoes a revolutionizing transformation with the introduction of III-
nitride semiconductors, and" LEDs" became a household name. The solid-state light source …

[HTML][HTML] Review on the progress of AlGaN-based ultraviolet light-emitting diodes

Y Chen, J Ben, F Xu, J Li, Y Chen, X Sun, D Li - Fundamental Research, 2021 - Elsevier
AlGaN-based materials have exhibited considerable potential for fabricating ultraviolet (UV)
light-emitting diodes (LEDs) owing to their direct, wide, and adjustable energy bandgap …

Research progress of AlGaN-based deep ultraviolet light-emitting diodes

R Xu, Q Kang, Y Zhang, X Zhang, Z Zhang - Micromachines, 2023 - mdpi.com
AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) have great application
prospects in sterilization, UV phototherapy, biological monitoring and other aspects. Due to …

Polarization-engineered AlGaN last quantum barrier for efficient deep-ultraviolet light-emitting diodes

Z Liu, H Yu, Z Ren, J Dai, C Chen… - … Science and Technology, 2020 - iopscience.iop.org
AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) have been identified as a
prospective mercury-free UV source. However, the observation of severe electron overflow …

Calculating the effect of AlGaN dielectric layers in a polarization tunnel junction on the performance of AlGaN-based deep-ultraviolet light-emitting diodes

Y Wang, Z Zhang, L Guo, Y Chen, Y Li, Z Qi, J Ben… - Nanomaterials, 2021 - mdpi.com
In this work, AlGaN-based deep-ultraviolet (DUV) light-emitting diodes (LEDs) with AlGaN as
the dielectric layers in p+-Al0. 55Ga0. 45N/AlGaN/n+-Al0. 55Ga0. 45N polarization tunnel …

Performance Enhancement of AlGaN-based Deep Ultraviolet Light-emitting Diodes with AlxGa1-xN Linear Descending Layers

X Chen, H Zhang - Innovations in Applied Engineering and …, 2023 - ojs.sgsci.org
In this work, the optical performance of AlGaN-based deep ultraviolet light-emitting diode
(DUV LED) with AlxGa1-xN linear descending layers has been investigated. The calculated …

Low parasitic carrier reservoir of AlGaN-based DUV-LED via controlled-polarization step-graded superlattice electron blocking layer for high luminescence lighting

MAH Aman, AFA Noorden, S Daud, MZA Kadir - Physica Scripta, 2024 - iopscience.iop.org
Achieving high luminescence intensity of deep-ultraviolet light-emitting diode (DUV-LED) is
generally performed through the implementation of electron blocking layer (EBL) on the …