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 …

AlGaN-based deep ultraviolet micro-LED emitting at 275 nm

H Yu, MH Memon, D Wang, Z Ren, H Zhang… - Optics Letters, 2021 - opg.optica.org
The investigation of electrical and optical properties of micro-scale AlGaN deep ultraviolet
(DUV) light-emitting diodes (LEDs) emitting at∼ 275nm was carried out, with an emphasis …

Boosted ultraviolet electroluminescence of InGaN/AlGaN quantum structures grown on high-index contrast patterned sapphire with silica array

H Hu, B Tang, H Wan, H Sun, S Zhou, J Dai, C Chen… - Nano Energy, 2020 - Elsevier
Epitaxially grown high crystalline quality InGaN/AlGaN multiple quantum structures on
patterned sapphire with silica array (PSSA) have been successfully demonstrated. In …

Deep‐Ultraviolet LEDs Incorporated with SiO2‐Based Microcavities Toward High‐Speed Ultraviolet Light Communication

H Yu, MH Memon, H Jia, Y Ding, S **ao… - Advanced Optical …, 2022 - Wiley Online Library
Optical wireless communication (OWC) in the deep‐ultraviolet (DUV) band requires an
efficient DUV light source with large bandwidth characteristics. In this work, a feasible …

Enhanced light extraction of the deep-ultraviolet micro-LED via rational design of chip sidewall

M Tian, H Yu, MH Memon, Z **ng, C Huang, H Jia… - Optics Letters, 2021 - opg.optica.org
In this Letter, we perform a comprehensive investigation on the optical characterization of
micro-sized deep-ultraviolet (DUV) LEDs (micro-LEDs) emitting below 280 nm, highlighting …

Ultraviolet exciton-polariton light-emitting diode in a ZnO microwire homojunction

M Liu, M Jiang, Q Zhao, K Tang, S Sha… - … Applied Materials & …, 2023 - ACS Publications
Low-dimensional ZnO, possessing well-defined side facets and optical gain properties, has
emerged as a promising material to develop ultraviolet coherent light sources. However, the …

[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 …

A 10× 10 deep ultraviolet light-emitting micro-LED array

H Yu, MH Memon, H Jia, H Zhang, M Tian… - Journal of …, 2022 - iopscience.iop.org
In this work, we design and fabricate a deep ultraviolet (DUV) light-emitting array consisting
of 10× 10 micro-LEDs (μ-LEDs) with each device having 20 μm in diameter. Strikingly, the …

Polarization-dependent hole generation in 222 nm-band AlGaN-based Far-UVC LED: a way forward to the epi-growers of MBE and MOCVD

S Malik, M Usman, MA Khan… - Journal of Materials …, 2021 - pubs.rsc.org
Far-ultraviolet-C (Far-UVC) light-emitting-diodes (LEDs) offer a promising technology for the
disinfection of surface, air, water, food and airborne disease transmission in occupied …