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 …

Quasi van der Waals epitaxy nitride materials and devices on two dimension materials

D Liang, T Wei, J Wang, J Li - Nano Energy, 2020 - Elsevier
In recent years, a novel epitaxial method based on Quasi-van der Waals (QvdW) force to
epitaxy three-dimensional (3D) nitride semiconductors on two-dimensional (2D) materials …

On the origin of enhanced hole injection for AlGaN-based deep ultraviolet light-emitting diodes with AlN insertion layer in p-electron blocking layer

C Chu, K Tian, J Che, H Shao, J Kou, Y Zhang, Y Li… - Optics express, 2019 - opg.optica.org
For the [0001] oriented AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs), the
holes in the p-type electron blocking layer (p-EBL) are depleted due to the polarization …

Nearly efficiency-droop-free AlGaN-based ultraviolet light-emitting diodes with a specifically designed superlattice p-type electron blocking layer for high Mg doping …

ZH Zhang, SW Huang Chen, C Chu, K Tian… - Nanoscale research …, 2018 - Springer
This work reports a nearly efficiency-droop-free AlGaN-based deep ultraviolet light-emitting
diode (DUV LED) emitting in the peak wavelength of 270 nm. The DUV LED utilizes a …

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 …

Increasing the hole energy by grading the alloy composition of the p-type electron blocking layer for very high-performance deep ultraviolet light-emitting diodes

ZH Zhang, J Kou, SWH Chen, H Shao, J Che… - Photonics …, 2019 - opg.optica.org
It is well known that the p-type AlGaN electron blocking layer (p-EBL) can block hole
injection for deep ultraviolet light-emitting diodes (DUV LEDs). The polarization induced …

Polarization assisted self-powered GaN-based UV photodetector with high responsivity

J Wang, C Chu, K Tian, J Che, H Shao, Y Zhang… - Photonics …, 2021 - opg.optica.org
In this work, a self-powered GaN-based metal-semiconductor-metal photodetector (MSM
PD) with high responsivity has been proposed and fabricated. The proposed MSM PD forms …

Graded-index separate confinement heterostructure AlGaN nanowires: toward ultraviolet laser diodes implementation

H Sun, D Priante, JW Min, RC Subedi, MK Shakfa… - ACS …, 2018 - ACS Publications
High-density dislocations in materials and poor electrical conductivity of p-type AlGaN layers
constrain the performance of the ultraviolet light emitting diodes and lasers at shorter …

Polarization-enhanced AlGaN solar-blind ultraviolet detectors

K Jiang, X Sun, ZH Zhang, J Ben, J Che, Z Shi… - Photonics …, 2020 - opg.optica.org
AlGaN solar-blind ultraviolet detectors have great potential in many fields, although their
performance has not fully meet the requirements until now. Here, we proposed an approach …

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 …