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

H Zhang, C Huang, K Song, H Yu, C **ng… - 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 …

Ultraviolet optoelectronic devices based on AlGaN-SiC platform: Towards monolithic photonics integration system

C Huang, H Zhang, H Sun - Nano energy, 2020 - Elsevier
Rapid advancement of wide-bandgap AlGaN semiconductor materials offers tremendous
opportunities in the field of ultraviolet (UV) optoelectronics for a wide range of advanced …

Band engineering of III-nitride-based deep-ultraviolet light-emitting diodes: a review

Z Ren, H Yu, Z Liu, D Wang, C **ng… - Journal of Physics D …, 2019 - iopscience.iop.org
III-nitride deep ultraviolet (DUV) light-emitting diodes (LEDs) have been identified as
promising candidates for energy-efficient, environment-friendly and robust UV lighting …

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 …

Advantages of AlGaN-based deep-ultraviolet light-emitting diodes with an Al-composition graded quantum barrier

H Yu, Z Ren, H Zhang, J Dai, C Chen, S Long… - Optics express, 2019 - opg.optica.org
AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) still suffer from poor
quantum efficiency and low optical power. In this work, we proposed a DUV LED structure …

450 nm photon‐pumped ultraviolet‐C luminescence for multifunctional applications

P Lv, L Li, C Wang, Z Wu, J Qiu… - Laser & Photonics …, 2022 - Wiley Online Library
With the implementation of the Minamata Convention on Mercury, there is an urgent need to
find a new way to generate ultraviolet‐C (UVC) light to replace mercury lamp. Upconversion …

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 …

Last-quantum-barrier-free AlGaN deep ultraviolet LEDs with boosted efficiency

MH Memon, H Yu, H Jia, S **ao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) still suffer from poor
quantum efficiency and low optical power. Herein, we propose a 273-nm DUV LED …

p-AlInN electron blocking layer for AlGaN-based deep-ultraviolet light-emitting diode

MN Sharif, MI Niass, JJ Liou, F Wang, Y Liu - Superlattices and …, 2021 - Elsevier
Abstract Commonly, the Al-rich AlGaN layer acts as electron blocking layer (EBL) to block
the overflow of electrons from the active region in conventional AlGaN deep-ultraviolet …