Germicidal ultraviolet LEDs: A review of applications and semiconductor technologies

CJ Zollner, SP DenBaars, JS Speck… - Semiconductor …, 2021 - iopscience.iop.org
Ultraviolet light emitting diodes (UV LEDs) are one of the most promising technologies for
preventing future pandemics, improving health outcomes, and disinfecting water sources …

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 …

Ultraviolet-B Resonant-Cavity Light-Emitting Diodes with Tunnel Junctions and Dielectric Mirrors

E Torres, J Ciers, MA Bergmann, J Höpfner… - ACS …, 2024 - ACS Publications
We demonstrate the first electrically injected AlGaN-based ultraviolet-B resonant-cavity light-
emitting diode (RCLED). The devices feature dielectric SiO2/HfO2 distributed Bragg …

Highly reflective Ni/Pt/Al p-electrode for improving the efficiency of an AlGaN-based deep ultraviolet light-emitting diode

K Liu, K Jiang, B Wang, X Wang, J Ben, S Zhang… - Optics Letters, 2024 - opg.optica.org
In this work, we propose a highly reflective Ni/Pt/Al p-electrode for AlGaN-based deep
ultraviolet (DUV) light-emitting diodes (LEDs) with a wavelength of 276? nm. AlGaN-based …

A review of state of the art fabrication approaches for efficiency improvement in ultra-violet region light emitting diodes

I Mazumder, K Sapra, A Chauhan, M Mathew… - Materials Science in …, 2025 - Elsevier
This article addresses the significant methodology adopted for fabrication of Ultra Violet light
emitting Diodes (UV LED) in two different configurations termed as top-emitting and bottom …

Ruddlesden-Popper type Sr (La, Gd) 2Al2O7: Cr3+ layered perovskite new phosphors for NIR pc-LED application

Z Pan, S Feng, F Li, X Wang, Q Zhu, JG Li - Ceramics International, 2024 - Elsevier
Near-infrared phosphor converted light-emitting diodes (NIR pc-LEDs), as a state-of-the-art
type of NIR sources, are finding multifaceted applications, where phosphor is a crucial …

High-quality AlGaN epitaxy on lattice-engineerable AlN template for high-power UVC light-emitting diodes

S Walde, CY Huang, CL Tsai, WH Hsieh, YK Fu… - Acta Materialia, 2022 - Elsevier
AlGaN-based UVC light-emitting diodes (LED) were fabricated on high-quality AlN
templates with an engineerable in-plane lattice constant. The controllability of the in-plane …

Tripling the light extraction efficiency of a deep ultraviolet LED using a nanostructured p-contact

E López-Fraguas, F Binkowski, S Burger… - Scientific Reports, 2022 - nature.com
Despite a wide array of applications, deep ultra-violet light emitting diodes offer relatively
poor efficiencies compared to their optical counterparts. A contributing factor is the lower …

Hybrid Liquid Metal/Ionic Nanocomposite Transparent Electrodes for Highly Stretchable Electroluminescent Matrix Displays

T Fang, J Zhang, S Cao, Q Lu, Y Pan… - Advanced Functional …, 2025 - Wiley Online Library
Emerging intrinsically stretchable electroluminescent displays have the potential to
transform future smart wearables by seamlessly integrating light‐emitting capabilities with …

Degradation of High-Power UVC Light-Emitting Diodes via Emission-Activated Nitrogen Vacancy Generation

CY Huang, WH Hsieh, TL Shao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We reported an unexpected power degradation mechanism in high-power ultraviolet C
(UVC) light-emitting diodes (LEDs) grown on high-quality AlN templates. The LED …