Highly efficient AlGaN-based deep-ultraviolet light-emitting diodes: from bandgap engineering to device craft

X Liu, Z Lv, Z Liao, Y Sun, Z Zhang, K Sun… - Microsystems & …, 2024 - nature.com
AlGaN-based light-emitting diodes (LEDs) operating in the deep-ultraviolet (DUV) spectral
range (210–280 nm) have demonstrated potential applications in physical sterilization …

III-nitride semiconductor membrane electronics and optoelectronics for heterogeneous integration

R Chen, Y Song, R He, J Wang, J Li, T Wei - Progress in Quantum …, 2024 - Elsevier
The rapidly developing III-nitrides materials and devices technologies are driving the
advancements in hybrid heterogeneous structures for multi-material and multifunctional …

Miniaturized AlGaN‐Based Deep‐Ultraviolet Light‐Emitting and Detecting Diode with Superior Light‐Responsive Characteristics

H Yu, MH Memon, R Wang, S Xiao, D Li… - Advanced Optical …, 2024 - Wiley Online Library
The progressive downscaling of silicon‐based microelectronic devices delivers compact
and advanced integrated circuits for fast data processing and computing. Similarly, the …

Effects of Chip Size and Thermally Oxidized AlxGa2–xO3 Sidewall on the Optoelectrical Characteristics of AlGaN-Based Deep Ultraviolet Micro-Light-Emitting …

TY Wang, WC Lai, QJ Xie, SP Chang… - ACS Applied …, 2024 - ACS Publications
The thermally oxidized Al x Ga2–x O3 sidewall was introduced to deep ultraviolet micro-light-
emitting diodes (DUV μ-LEDs) to improve optoelectronic performance. Reducing the chip …

Numerical modeling for 250 nm DUV LEDs with discrete p-type functional layers to manage both carrier and photon transport

W Li, Z Liu, C Chu, K Tian, H Liu… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
Deep-ultraviolet light-emitting diodes (DUV LEDs) are encountering low external quantum
efficiency (EQE) and light output power (LOP) due to the strong optical absorption to DUV …

[HTML][HTML] Deep Ultraviolet Excitation Photoluminescence Characteristics and Correlative Investigation of Al-Rich AlGaN Films on Sapphire

ZC Feng, M Tian, X Zhang, MT Nafisa, Y Liu, J Yiin… - Nanomaterials, 2024 - mdpi.com
AlGaN is attractive for fabricating deep ultraviolet (DUV) optoelectronic and electronic
devices of light-emitting diodes (LEDs), photodetectors, high-electron-mobility field-effect …

On the origin of the enhanced light extraction efficiency of DUV LED by using inclined sidewalls

L Wang, T Jia, Z Liu, C Chu, KK Tian, Y Zhang… - Optics Letters, 2024 - opg.optica.org
It is known that light extraction efficiency (LEE) for AlGaN-based deep ultraviolet (DUV) light-
emitting diodes (LEDs) can be enhanced by using an inclined sidewall of mesa. However …

Efficiency boosting of 236 nm AlGaN-based micro-LEDs

H Li, S Lu, L Zhu, W Sun, J Bai, J Hao… - Journal of Physics D …, 2024 - iopscience.iop.org
In this study, 236 nm AlGaN-based deep ultraviolet (DUV) micro-LEDs with different sized P-
contact areas are designed and fabricated, and the sidewalls are restored by a wet chemical …

[HTML][HTML] 4H-SiC 衬底上生长参数对AlGaN 基深紫外多量子阱受激辐射特性的影响

张睿洁, 郭亚楠, 吴涵, 刘志彬, 闫建昌… - Chinese Journal of …, 2024 - opticsjournal.net
摘要SiC 衬底是制备高性能AlGaN 基深紫外激光器的良好候选衬底. 采用金属有机化学气相沉积
方法在4H-SiC 衬底上生长了深紫外AlGaN/AlN 多量子阱结构(MQWs), 系统研讨了MQWs …

235 nm and 255 nm LEDs for 10's to 100's Mbps UV-C Communications Up To 15 Meters

H Zimi, JJD McKendry, S Babadi… - 2024 IEEE Photonics …, 2024 - ieeexplore.ieee.org
We demonstrate 0.5 to 15m data communications links with AlGaN LEDs of peak emission
wavelengths of 235 nm and 255 nm. The device-3dB modulation bandwidths were up to …