Recent advances in optoelectronic and microelectronic devices based on ultrawide-bandgap semiconductors

J Yang, K Liu, X Chen, D Shen - Progress in Quantum Electronics, 2022 - Elsevier
Owing to their novel physical properties, semiconductors have penetrated almost every
corner of the contemporary industrial system. Nowadays, semiconductor materials and their …

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 …

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

Z Ren, H Yu, Z Liu, D Wang, C Xing… - 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 …

Multiple fields manipulation on nitride material structures in ultraviolet light-emitting diodes

J Li, N Gao, D Cai, W Lin, K Huang, S Li… - Light: Science & …, 2021 - nature.com
As demonstrated during the COVID-19 pandemic, advanced deep ultraviolet (DUV) light
sources (200–280 nm), such as AlGaN-based light-emitting diodes (LEDs) show excellence …

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 …

A machine learning study on superlattice electron blocking layer design for AlGaN deep ultraviolet light-emitting diodes using the stacked XGBoost/LightGBM …

R Lin, Z Liu, P Han, R Lin, Y Lu, H Cao… - Journal of Materials …, 2022 - pubs.rsc.org
Aluminium gallium nitride (AlGaN)-based deep ultraviolet (DUV) light-emitting diodes
(LEDs) suffer from low internal quantum efficiency (IQE) and serious efficiency droop. One …

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 …

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 …

Enhanced performance of an AlGaN-based deep-ultraviolet LED having graded quantum well structure

H Yu, Q Chen, Z Ren, M Tian, S Long… - IEEE photonics …, 2019 - ieeexplore.ieee.org
AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) suffer from severe quantum
confined Stark effect (QCSE) due to the strong polarization field in the quantum wells (QWs) …

Enhanced performance in deep-ultraviolet laser diodes with an undoped BGaN electron blocking layer

Z Xing, F Wang, Y Wang, JJ Liou, Y Liu - Optics Express, 2022 - opg.optica.org
Aluminum-rich p-AlGaN electron blocking layers (EBLs) are typically used for preventing
overflow of electrons from the active region in AlGaN-based deep ultraviolet (DUV) laser …