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 …

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 …

Improving light output power of AlGaN-based deep-ultraviolet light-emitting diodes by optimizing the optical thickness of p-layers

Y Matsukura, T Inazu, C Pernot, N Shibata… - Applied Physics …, 2021 - iopscience.iop.org
In this study, we investigated the relationship of light output power with the optical thickness
of the p-layers in AlGaN-based deep ultraviolet light-emitting diodes with a transparent high …

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 …

Progress in external quantum efficiency for III‐nitride based deep ultraviolet light‐emitting diodes

C Chu, K Tian, Y Zhang, W Bi… - physica status solidi (a …, 2019 - Wiley Online Library
AlGaN‐based deep ultraviolet light‐emitting diodes (DUV LEDs) are featured with small
size, DC driving, no environmental contamination etc., and they are now emerging as the …

Improved carrier injection of AlGaN-based deep ultraviolet light emitting diodes with graded superlattice electron blocking layers

B So, J Kim, T Kwak, T Kim, J Lee, U Choi, O Nam - RSC advances, 2018 - pubs.rsc.org
A DUV-LED with a graded superlattice electron blocking layer (GSL-EBL) is demonstrated to
show improved carrier injection into the multi-quantum well region. The structures of …

Improving charge carrier transport properties in AlGaN deep ultraviolet light emitters using Al-content engineered superlattice electron blocking layer

X Yin, S Zhao - IEEE Journal of Quantum Electronics, 2023 - ieeexplore.ieee.org
In this study, we investigate a unique Al-content engineered superlattice electron blocking
layer (AESL-EBL) for improving the charge carrier transport properties of AlGaN quantum …

Enhanced performance of AlGaN-based deep ultraviolet light-emitting diodes with chirped superlattice electron deceleration layer

J Hu, J Zhang, Y Zhang, H Zhang, H Long… - Nanoscale research …, 2019 - Springer
AlGaN-based deep ultraviolet (DUV) light-emitting diodes (LEDs) suffer from electron
overflow and insufficient hole injection. In this paper, novel DUV LED structures with …

Effect of electron blocking layer on the efficiency of AlGaN mid-ultraviolet light emitting diodes

A Pandey, WJ Shin, X Liu, Z Mi - Optics express, 2019 - opg.optica.org
The performance of AlGaN-based mid and deep ultraviolet light emitting diodes (LEDs) is
severely limited by electron overflow and by the poor hole injection into the device active …

Enhanced optical performance of AlGaN-based deep-ultraviolet light-emitting diode with m-shaped hole blocking layer and w-shaped electron blocking layer

L Wang, W He, T Zheng, Z Chen, S Zheng - Superlattices and …, 2019 - Elsevier
In this study, five AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) with
different electron blocking layer (EBL) and hole blocking layer (HBL) have been investigated …